a) Ph. D. Agronomy 2009
b) M. Sc. Agronomy [Horticulture] 2000
c) B. Sc. Agriculture [Crop Science Option] 1997
d) Interim Joint Matriculation Certificate [A’ level G.C.E. Equivalent]. 1990
e) G. C. E ‘O’ Level Certificate. 1986
f) W. A. S. C. ‘O’ Level Certificate. 1985

a. Completed:
i Performance evaluation of orange flesh sweet potato (Ipomea batatas L.) varieties for adoption and acceptability by farmers and consumers in the Savanna transition ecological zone of Nigeria 2015 -2020

ii Evaluation of Compatibility of some exotic potato and sweet potato varieties in the cropping systems of Southwest Nigeria 2012-2016
iii Evaluation of Roselle (Hibiscus sabdariffa L.) Cultivars as affected by different sources and rates of fertilizers in the Savanna Transition Ecological zone of Nigeria 2014 -2015
iv Mitigating the impact of pastural grazing on the natural ecosystem and rural livelihoods in Yewa Division of Ogun state 2013-2014
v IFSERAR/FUNAAB Research grant for projects titled: Comparative Effects of Organic Soil Amendments Types and Rates on Growth, Yield and Grain Composition of Ofada Rice. 2012 – 2014
vi Agricultural Research Council of Nigeria (ARCN) Competitive Agricultural Research Grant Scheme (CARGS) on : Project titled: Sweet potato germ plasm technologies: Assemblage, assessment and multi-site banking. Led by Prof. M.O. Akoroda, Department of Agronomy, University of Ibadan. 2011 – 2014
vii Agricultural Research Council of Nigeria (ARCN) Competitive Agricultural Research Grant Scheme (CARGS) on: Project titled: Rice moisture stress mycorrhiza benefit for double cropping. 2010 – 2013
viii IFSERAR/FUNAAB Research grant for two Projects entitled: a) Performance of white yam (Dioscorea rotundata Poir.) cultivar as influenced by sweet potato intercrop and organic fertilizer in the forest/savannah transitional zone of Nigeria. 2011
ix b) Performance of improved maize cultivars as influenced by composted sweet potato intercrop in the forest/savannah transitional zone of Nigeria 2011
x Evaluation of performance of Citrus in an Organic-based production system in NIHORT, Ibadan. 2006 – 2013

b.
In Progress
i. Researcher-managed: Multi-locational Evaluation of Agronomic Efficiency of Thirty accessions of Africa Yam-bean (Sphenostylis stenocarpa) and Bambara groundnut (Vigna subterranean) as affected by genotype and location in Abeokuta and Ogbomoso Southwest Nigeria- (IITA Collaborative Research 2021). 2021 to date
ii. Researcher-managed: Multi-locational Evaluation of Agronomic and Nutrient Uptake Efficiency of Selected Yams (Dioscorea spp) varieties as affected by different rate of manure in Abeokuta and Ibadan Southwest Nigeria – (A FUNAAB/IITA Collaborative Research 2018). 2018 – 2022

i All Farmers Association, Oyo state branch 2 2020 to date
ii Moringa Association of Nigeria 2012 – 2017
iii Africa Potato Association (APA) based in Kenya 2013 to date
iv Association of Organic Agriculture Practitioners in Nigeria (NOAN) www.noannigeria.net
2008 to date
v NOAN coordinated Nigeria-Go-Organic Project 2 2008 to date
vi International Association of Research Scholars and Fellows International Institute of Tropical Agriculture (IITA), Ibadan 2003 to date
vii Horticultural Society of Nigeria (HORTSON) www.hortson.org
2002 to date
viii Agricultural Society of Nigeria (ASN). 2002 to date
ix Soil Science Society of Nigeria (SSSN).www.sssnnigeria.org

1999 to date

1. The 11th Triennial Conference of African Potato Association Conference, Marihot Hotel Kigali, August 25-29, 2019. Relative agronomic and yield efficiency of sweet potato (Ipomea batatas L.) grown with different rates of compost in Abeokuta Southwest Nigeria.
2. The 3nd All African Horticultural Congress 4-11 August 2016. Growth and calyx yield of Roselle (Hibiscus sabdariffa L.) varieties under different fertilizer rate in South west Nigeria
3. The Third West African Organic Conference 27-29 August 2014.Organic yam production practices in Abeokuta, Southwestern Nigeria and Tuber yield and yield components of organically grown sweet potato (Ipomea batatas L.) production in Abeokuta South western Nigeria.
4. The 3rd Technical Workshop of the Nigeria Organic Agriculture Network12-16 March. 2014: Performance of white yam (Dioscorea rotundata Poir.) cultivars in yam/sweetpotato intercrop in Ogun state, Nigeria.
5. The 10th Annual Conference of Organic Agriculture Project in Tertiary Institutions in Nigeria (OAPTIN), 2014. Relative Agronomic Performance of Organically grown Sweet potato (Ipomea batatas L.) cultivars in yam/sweet potato intercrop in Abeokuta Nigeria

6. First Global Conference on Yam tagged ‘Ghana 2013’ 3-7 October, 2013. Yield and Micronutrient uptake of white yam (Dioscorea rotundata L. Poir) as influence by organomineral fertilizer amendment on an alfisol in Ibadan South western Nigeria

7. The 9th Triennial Conference of African Potato Association Conference Neivasha Kenya, May 2-5, 2013. Nutrient uptake and tuber yield of exotic sweet potato cultivars under organic soil management system in Abeokuta South western Nigeria.
8. The 9th Annual Conference of Organic Agriculture Project in Tertiary Institutions in Nigeria (OAPTIN), 2013. Relative Yield Performance of Organically grown white yam (Dioscorea rotundata Poir.) cultivars in yam/sweet potato intercrop in Abeokuta Nigeria
9. The 2nd African Organic Conference, Lusaka, Zambia, 2-4 May, 2012. Growth and yield response of sweetpotato (Ipomea batatas L.) to organic-based fertilizer in Abeokuta Southwestern Nigeria.
10. The 2nd Technical Workshop of the Nigeria Organic Agriculture Network 12-16 Sept. 2011: Performance of white yam (Dioscorea rotundata Poir.) cultivars in yam/sweetpotato intercrop in Ogun state, Nigeria. Pp. 7-12.

11. The First Technical Workshop on Organic Agriculture 6-8 September, 2010 ‘LAUTECH 2010’: Fruit yield and losses in Organic based Citrus Orchard. Pp. 72-75.

12. The 27th Annual Conference of the Horticultural Society of Nigeria 2009: Effects of Organo-mineral fertilizers and farm sanitation on yield and fruit losses in citrus orchard. pp. 197-200.

13. The 26th Annual Conference of the Horticultural Society of Nigeria held at Adamawa state University, Mubi, Nigeria; 26-28 October 2008: Response of Citrus roostocks (Cleopatra mandarin and Roughlemon) varieties to different sources of fertilizer in the screen house. Pp. 151- 154.

14. The 25th Annual Conference of the Horticultural Society of Nigeria, held at the National Horticultural Research Institute, Ibadan Nigeria 2007. Growth response of Cleopatra mandarin (Citrus reticulata Blanco) rootstock seedlings to nitrogen fertilizer in the nursery. Pp.56-60.
15. GGE Biplot Analysis and Genotype-by Environment Interactions Workshop. Organized by IITA, Ibadan, Nigeria. 17th and 18th May 2006.
16. The 2nd National Conference on Organic Agriculture, held at the Faculty of Agriculture and Forestry, Univ. of Ibadan, Nigeria: Organo-mineral fertilizer effects on growth and yield of white yam (Dioscorea rotundata Poir.) on an alfisol in South western Nigeria 27th Nov. to 1st December, 2006. pp. 109-113.

17. The 23rd Annual Conference of the Horticultural Society of Nigeria, held at the National Horticultural Research Institute, Ibadan. May 14-17 2002. Effects of different levels of poultry manure and inorganic fertilizers on performance of Celocia argentia. Pp. 50-53.

a) Desertations/Thesis
1. Lawal, O. I. 1997. Comparative yield analysis of some selected short-day onion (Allium cepa L.) cultivars. B. Sc. Project 1997, Department of Agronomy, University of Ibadan, Nigeria. 71pp.
2. Lawal, O. I. 1999. Use of Auxin to promote rooting sprouting and early growth of Entorolobium cyclocarpum cuttings. M. Sc. thesis in the Department of Agronomy, University of Ibadan, Nigeria. 87pp.
3. Lawal, O. I. 2009. Response of white yam to different levels of fertilizers in two soil-types in Southwestern Nigeria. A Ph.D. thesis in the Department of Agronomy, University of Ibadan, Nigeria. 210pp.
b) Articles in Learned Journals
i) Journal Articles in print
1. Babatola, L. A., Ojo, D.O., Ojeniyi, S. O. and Lawal, O. I. (2002). Comparative efficiency of some storage structures on local leaf vegetables. Nigerian Journal of Horticultural Science. 8: 25-27. Published by: Horticultural Society of Nigeria. www.hortson.org. ISSN: 1118-2733
2. Olaniyan, A. A., Lawal, O. I. and Ibe, R. B. (2007). Influence of Tangelo (Citrus reticulate X Citrus paradisi) varieties and population density on Scion growth in the nursery. Moor Journal of Agricultural Research. 8 (1) pp. 26-32. Published by: Institute of Agricultural Research and Training, Ibadan Nigeria. ISSN: 1116-753X
3. Lawal, O. I., Okafor, B.N. and Olaniyan, A. A. (2009). Growth and nutrient uptake of Citrus rootstock varieties as affected by poultry manure and NPK fertilizer in Ibadan, Southwestern Nigeria. Nigerian Journal of Horticultural Science.14:30-37. Published by: Horticultural Society of Nigeria. www.hortson.org. ISSN: 118-2733.
4. Lawal, O. I., Olaniyan, A. A. and Okafor, B. N. (2009). Nutrient Uptake and Fruit Yield of Sweet Orange as affected by Poultry Manure and NPK Fertilizers application in Ibadan, Nigeria. Journal of Applied Agricultural Research. 1: 113-117. Published by: Agricultural Research Council of Nigeria. www.arcn.gov.ng. ISSN: 2006-750X
5. Lawal O. I., Adeoye, G. O., Asiedu, R. and Ojeniyi, S. O. (2010). Organo-mineral fertilizer effects on yield and nutrient uptake of white yam (Dioscorea rotundata Poir.) in Ibadan Southwest Nigeria. Nigerian Journal of Soil Science. 20 (2): 35-46. Published by: Soil Science Society of Nigeria. www.sssn.org. ISSN: 1957-4488
6. Lawal O. I., Olaniyan, A. A., Okafor, B. N., Chikaleke, V. A. and Odofin, J. O. (2011). Growth and yield of Sweet orange (Citrus sinenses (L) Osbeck (Var. Agege 1) as influenced by organic-based fertilizer treatment on an alfisol in Ibadan. Nigerian Journal of Soil Science 21 (1): 70-74. Published by: Soil Science Society of Nigeria. ISSN: 1118-2733.
7. Hammed L. A., Olaiya, A. O., Lawal, O. I., Idowu, O. T. H. and Aiyelaagbe, I. O. O. (2012). Effect of some bean characters on germination and seedling growth of cocoa (Theobroma cacao L.) Nigerian Journal of Horticultural Science, 17:126-134. Published by: Horticultural Society of Nigeria. ISSN: 1597-4488
8. Olaiya, A.O., Atayese, M.O. and Lawal, I. O. (2012). Effect of spacing and intercropping on the rate of infestation of parasitic weed on Cocoa Plantation. Nigerian Journal of Horticultural Science, 17:188-192. Published by: Horticultural Society of Nigeria. ISSN:1118-2733
9. Lawal, O. I., Adebayo, A.G., Shokalu, A. O., Sakariyawo, O. S. Aderibigbe, S. G. and A. A. Soretire (2012). Growth and Nutrient Uptake of Okra (Abelmoschus esculentus L. Moench) as influenced by compost mixes on an alfisol in Ibadan Southwestern Nigeria. Nigerian Journal of Soil Science. 22 (2) 2012: 155-162. Published by: Soil Science Society of Nigeria. www.sssn.org: ISSN: 1597-4488
10. Atayese, M. O., Lawal, O. I., Afuwape, S. O., Olowokere, F. A., Sakariyawo, O. S., Olaiya, A. O., Fetuga, G. O. and Idowu, T. H. (2013). Evaluation of Growth and Yield response of Sweetpotato (Ipomea batatas L.) to different rates of poultry manure in Abeokuta South-western Nigeria. African Journal of Root and Tuber Crops 10 (1):15-20. Published by: International Society for Tropical Root and Tuber Crops. www.iita.org.
11. Alamu, O. O., Olaniyan, A. A., Egberongbe, K. R., Bala, M. G., Amih, C. A. and Lawal. O. I. (2012). Effect of different weed control methods on the growth of Sweet grape scion budded on Cleopatra mandarin rootstock in the nursery. Nigerian Journal of Horticultural Science 17:1-6. Published by: Horticultural Society of Nigeria. www.hortson.org. ISSN:1118-2733
12. Alamu, O. O., Olaniyan, A. A., Egberongbe, K. R. and Lawal. O. I. (2013). Weed dynamics in a citrus orchard after two years of Soil fertility management. Nigerian Journal of Weed Science, 26: 35-42. Published by: Weed Science Society of Nigeria. www.wssn.org. ISSN: 0794-4950.
13. Lawal, O. I., Adeoye, G. O., Asiedu, R., Ojeniyi, S. O. and Atayese, M. O. (2014). Yield and nutrient uptake of White yam (Dioscorea rotundata Poir.) as affected by organo-mineral fertilizer in Ikenne Southwestern Nigeria. International Journal of Organic Agriculture Research & Development. 10: 51-56. Published by: Nigerian Organic Agriculture Network (NOAN). www.noannigeria.net.
14. Sakariyawo, O. S., Aderibigbe S. G., Soretire, A. A., Oyekanmi, A. A, Soremi, P. A. S., Okonji, C. J. and Lawal, O. I. (2014). Growth and yield response of okra (Abelmoschus esculentus (L.) Moench) to sources and rates of commercially produced organic fertilizer in the Rainforest transitory zone of Nigeria. Journal of Applied Agricultural Research 6 (1): 265-273. Published by: Agricultural Research Council of Nigeria, 2014. www.arcn.org ISSN: 2006-750X.
15. Olowokere, F. A., Adesodun, J. K., Lawal, O. I., Omoayena, E. J., Ilori, V. O., Adeniji, O. T., 1adia, D. and Irahman, K. (2014). Soil Chemical properties and nutrient uptake of Okra (Abelmoschus esculentus L. Moench) as affected by sole and combined application of poultry manure and cow dung. Nigerian Journal of Ecology 13: 1-11. Published by: Ecological Society of Nigeria. ISSN: 1116-753X
16. Osipitan, A. A., Victoria, T. S., Lawal, O. I., and Kehinde, O. P. (2015). Correlation of chemical compositions of cassava varieties to their resistance to Prostephanus truncatus Horn (Coleoptera: Bostrichidae). Journal of Insect Science 15 (13):1-7. Published by: Oxford University Press London. Available online: http:// doi.org/10.1093/jisesa/ieu173

17. Olowoake, A. A. and Lawal, O. I. (2016). Effect of organomineral and NPK fertilizer application on growth and yield of grain amaranth (Amaranthus cruentus L.). Tropical Agriculture (Trinidad) 93(2): 139-146. Published by: University of West Indies. Indexed in Scimago

18 Hamzat, O.T.H., Lawal, O. I. and Ogunronbi, A. (2016). Efficacy of some fungicides in the control of fungal stalk rot of maize (Zea mays) caused by Fusarium moniliforme and Macrophomina phaseolina. Nigerian Journal of Mycology, 8, 66-77. Publisher: the Mycological Society of Nigeria. www.njm.org
19. Busari, M. A., Lawal, O. I., Olanite, J. A., Ologunde, O. H. and Popoola, D. T. (2018). Cattle trampling in Yewa North area of Ogun state: Implication on soil and crop productivity. Nigeria Journal of Soil Science 28 (1): 183-192. Published by: Soil Science Society of Nigeria. www.sssn.org. ISSN: 1597-4488.
20. Olaniyan, A. A., Okafor B. N., Lawal, O. I. and Amih, C. A. (2018). Influence of Rates and Frequency of Application of Urea on Nutrient Uptake of Citrus Seedlings on a Sandy Loam Soil. Nigerian Journal of Horticultural Science 24: 22-28. Published by: Horticultural Society of Nigeria. www.hortson.org. ISSN:1118-2733
21. Olaiya, A. O. and Lawal, O. I. (2019). Field evaluation of Cucumber (Cucumis sativus L.) varieties productivity with compound and single P fertilizer application in Forest savanna transition ecology of Nigeria. Nigerian Journal of Horticultural Science 24 (1) 28-36. Published by Horticultural Society of Nigeria. Publisher: Horticultural Society of Nigeria. www.hortson.org. ISSN: 1118-2733
22. Olaiya, A. O. and Lawal, O. I. (2019). Effect of organic fertilizer on cocoa hybrid seedlings. Journal of Sustainable Development. 17(1&2) 63-67. September 2019. Published by: SLIDEN-Africa
23. Afolabi C.G., Ogunsanya, O. M. and Lawal, O. I. (2019). Evaluation of some African yam bean (Sphenostylis stenocarpa [Hochst. Ex A. Rich]) accessions for resistance to flower bud and pod rot diseases. Current Plant Biology 20:1-5. Published by: Elsevier B.V. New Zealand. Available online: http://creativecommons.org. Indexed in Scopus.
24. Sakariyawo, O.S., Mogaji, A.A., Adeyemi, N. O., Atayese, M.O., and Lawal O. I. (2019). Performance of maize (Zea mays L.) cultivars and community structure of Arbuscula Mycorrhizal Fungi in response to tillage and soil amendment in a derived Savanna. Acta fytotechnica et zootechnica 22 (4): 114-123. http://www.acta.fapz.uniag.sk. Publisher: Slovak University of Agriculture in Nitra. Indexed in Scopus
25. Adebowale, T. J., Osipitan, A. A., Pitan, O. R., Lawal, O. I., Joda, A. O., Fijabi, C. O. and Ewedairo. B. I. (2019). Resistance of some Hybrid Maize (Zea mays L. (Motsch.) (Coleoptera: Curculionidae) and Larder Grain Borer, Prostephanus truncates (Horn.) (Coleoptera: Bostrichidae). Nigerian Journal of Entomology. 35: 45-59, 2019. Published by: The Entomological Society of Nigeria. www.esnjournal.com.ng. DOI.10.36108 NJE 9102.53.01.50.
26. Moruf, A. A., Tolulope, O. K., Tunmise, E. O. and Lawal, O. I. (2019). Longevity and vigour of pigeon pea (Cajanus cajan (L.) Millsp.) seeds stored under humid tropical ambient conditions. Acta Agriculturae Slovenica 114 (2), 191-203, Ljubljana. DOI:10.14720/aas.2019.114.2.5. Published by: Biotechnical Faculty of the University of Ljubljana, Slovena. Indexed in Scopus
27. Isiaka, K., Faseyi, A. F., Saliu, A. K., Abdulmaliq, S. Y., Adekola, O.F., Abdulkareem, K.A., Olayinka, B. U., AbdulAziz, A., Alasinrin, S. Y., Hakeem, A. K., Usman, M., Lawal, M.T., Ahmed, O., Lawal, O. I., Bello, W. B., Salami, T. B., Ayeleke, D. A., Azeez, K. O., Olaniyan, J. O., Affinnih, K. O., Olalekan, K. K. (2020). NPK partitioning, growth, yield and proximate composition of okra (Abelmoschus esculentus) under water deficit stress, Bulgarian Journal of Soil Science Agrochemisty and Ecology, 54 (4): 3-24. Published by: Agricultural Academy of Bulgaria. ISSN: 1310-0351 (Print); ISSN: 2534-083X (Online). https://www.agrojournal.org/index.html. Indexed in Scopus
28. Isiaka, K., Saliu, A. K., Abdulmaliq, S. Y., Adekola, O. F., Abdulkareem, K. A., Olayinka, B. U., AbdulAziz, A, Alasinrin, S. Y., Hakeem, A. K., Usman M., Lawal, M. T., Ahmed, O., Lawal, O. I., Bello, W. B., Salami, T. B., Ayeleke, D. A., Azeez, K. O., Olaniyan, J. O., Affinnih, K. O., Olalekan, K. K. (2020). Optimization of priming duration for rice production under drought stress. Bulgarian Journal of Soil Science Agrochemisty and Ecology, 54 (4): 25-42. Published by: Agricultural Academy of Bulgaria. ISSN: 1310-0351 (Print); ISSN: 2534-083X (Online). https://www.agrojournal.org/index.html. Indexed in Scopus
29. Kareem. I., Ismail. M.R., Puteh. A.B., Rabileh. M.A., Belewu. M.A., Kareem. S.A., Adekola. O.F., Alasinrin. S.Y., Abdulmaliq. S.Y., Abdulkareem. K. A , Olayinka. B.U., Ayinla. A., Lawal. M.T., Fabiyi. O.A, Ahmed. O and Lawal. O. I. (2020). Crop improvement: a seed priming approach. Amazonian Journal of Plant Research 4 (3): 609-631. 2020. Published by Amazonian Journal of Plant Research. http://www.ajpr.online-Amaz Indexed in Scopus
30. Igwe K. C., Osipitan, A. A., Afolabi, C. G. and Lawal, O. I. (2021): Assessment of insect pests of sweet potato (Ipomoea batatas L.) and control with botanicals, International Journal of Pest Management, DOI: 10.1080/09670874.2021.1918357 https://doi.org/10.1080/09670874.2021.1918357 (Taylor and Francis) Indexed in Scopus

31. Isiaka, K., Ismail, M. R., Puteh, A. B., Kareem, S. A. Lawal, O. I., Adekola, O. F., Faseyi, A. F., Olaniyan, J. O., Yusuf, S. F., Lawal, M. T., Abdulkareem, K. A., Olayinka, B. U., AbdulAziz, A., Ahmed, O., Baba, H. S., Hakeem, A. K., Quadri, O. L., Abdullah, I. M. and Yetunde, H. O. (2021). Influence of Seed Priming on Yield, Morphological and Physiological Characteristics of Water-Deficit Stressed Lowland Rice. Annals of West University of Timisoara ser. Biology, 24 (1), pp.73-92. Western Romania

32. Isiaka, K., Ismail, M. R., Puteh, A. B., Kareem, S. A. Lawal, O. I., Adekola, O. F., Faseyi A. F., Olaniyan, J. O., Yusuf, S. F., Lawal, M. T., Abdulkareem, K. A., Olayinka, B. U. AbdulAziz, A., Ahmed O., Baba, H. S., Hakeem, A. K., Quadri O. L., Abdullah, I. M. and Yetunde H. O. (2021). Effect of Salinity Stress on NPK Partitioning, Growth, yield and Proximate Composition of Okra (Abelmoschus esculentus). Annals of West University of Timisoara ser. Biology,. 24 (1), pp.93-97. Western Romania

33. Lawal, O. I., Olaniyan, A. A. , Okafor, B. N., Ibe, R. B., Olawale.O. A., Olaiya A. O. and Hammed, L. A. (2021). Agronomic evaluation of Citrus (Cleopatra mandarin) rootstock seedlings with various herbicides in the nursery in Ibadan, Nigeria. Nigerian Journal of Horticultural Science 25 (3) 128-133. Published by: Horticultural Society of Nigeria. www.hortson.org. ISSN: 1118-2733
34. Kehinde, T. O., Adebisi, M. A., Lawal, O. I., Shittu, M. M. and Okwi, E. E. 2022. Seed Longevity Characteristics of Tomato (Solonum lycopersicon (L.) ) genotypes stored with different packaging materials under ambient tropical humid conditions. Acta agriculturae slovenica 118 (1), 1-12, Ljubljana 2022. DOI:10.14720/aas.2019.114.2.5. Published by: Biotechnical Faculty of the University of Ljubljana, Slovena. Indexed in Scopus.
35 Lawal O. I., Oyedokun O. A., Hamzat O.T. H. and Osipitan A. A. 2023. Response of Roselle (Hibiscus sabdariffa L.) varieties to fertilizer type and rates in two agro-ecologies of southwest Nigeria. Annals of Tropical Research 45 (1), No. 1 Issue (January-June 2023).Publisher: The Visayas State University, Baybay City, Leyte Philippine. (Letter of acceptance dated 20th day of April, 2023).
36. Bello W. B., Lawal, O. I., Fawole, T.O., Olaifa, G.O., Ogunremi, M., Ogunmola, N. O., 2023. Effect of groundnut intercropped and fertilizer (NPK 15:15:15) application on some soil nutrients and maize yield. Annals of West University of Timisoara ser. Biology,. 26 (1), pp.53- 62. Western Romania

vi) Edited Peer Reviewed Conference Proceedings
37. Babatola, L. A.and O.I. Lawal (2000). Effects of NPK 15-15-15 on performance of okra using different growth media. In: O. Babalola (eds). Proceedings of the Annual Conference of the Soil Science Society of Nigeria, held at the University of Ibadan, Nigeria. Pp. 25-27. Published by Soil Science Society of Nigeria.
38. Babatola, L. A. and O.I. Lawal (2000). Comparative yield and storability of two onion (Allium cepa L) cultivars under different storage structures. In: J. D. Olanrewaju (eds). Proceedings of the 18th Annual Conference of the Horticultural Society of Nigeria,2000 IAR Zaria, Nigeria. Pp. 23-26. Published by Horticultural Society of Nigeria.
39. Akinrinde, E. A., Lawal, O. I. and G. O. Obigbesan, 2002. Effects of different levels of poultry manure and inorganic fertilizers on performance of Celosia argentia. In: V.C. Umeh and J. A. Fagbayide (eds). Proceedings of the Annual Conference of the Horticultural Society of Nigeria, held at the National Horticultural Society of Nigeria, Ibadan. May 14-17 2002. Pp. 50-53. Published by Horticultural Society of Nigeria.
40. Babatola, L. A., Adetayo, O.B. and O.I. Lawal (2002). Effects of different levels of poultry manure and inorganic fertilizers on performance of Celocia argentia. In: V.C. Umeh and J. A. Fagbayide (eds). Proceedings of the Annual Conference of the Horticultural Society of Nigeria, held at the National Horticultural Research Institute, Ibadan, Nigeria. Pp. 14-17. Published by Horticultural Society of Nigeria.
41. Lawal O. I., Adeoye, G. O. and Asiedu, R., (2006). Organo-mineral fertilizer effects on growth and yield of white yam (Dioscorea rotundata Poir.) on an alfisol in Southwestern Nigeria. In: J. A. Okogun, O. O. Adeoluwa and J. A. Adediran (eds). Proceedings of the 2nd National Conference on Organic Agriculture, held at the Faculty of Agriculture and Forestry, Univ. of Ibadan, Nigeria. Pp. 109-113.
42. Olaniyan, A. A., O. I. Lawal, C.A. Amih and A.T. Ojo (2007). Growth response of Cleopatra mandarin (Citrus reticulata Blanco) rootstock seedlings to nitrogen fertilizer in the nursery. In: A.O. Olufolaji and V.C. Umeh eds. Proceedings of the25th Annual Conference of the Horticultural Society of Nigeria, held at the National Horticultural National Horticultural Research Institute, Ibadan Nigeria. Published by Horticultural Society of Nigeria.
43. Olaniyan, A.A., Okafor,B.N.,Awodoyin, R.O., Lawal, O.I. and Alli, M. (2008). Cover crop for weed management in a matured citrus orchard. In: Aiyelaagbe, I.O.O., Adetunji, M.T. and Osei, S. A. Proceedings of the 1st West African Summit and 4th National Conference on Organic Agriculture.UNAAB, Abeokuta, Nigeria. Pp. 160-163.
44. Babalola, S.O., Lawal, O. I. and Olaniyan, A.A. (2008). Influence of Organic based fertilizer on fruit quality of sweet orange (Citrus sinensis (L.) Osbeck) var. Agege 1 on an Alfisol in Ibadan, Southwest, Nigeria. In: Aiyelaagbe, I.O.O., Adetunji, M.T. and Osei,S.A. Proceedings of the 1st West African Summit and 4th National Conference on Organic Agriculture. UNAAB, Abeokuta, Nigeria. Pp. 140-144.
45. Ibe, R. B., Olaniyan, A.A., Kintomo,A.A. and Lawal, O.I. (2008). Economics of Herbicide screening for weed control in citrus nursery. In: A.A. Sajo, K.N. Futuless and N.J.Shelleng (eds). Proceedings of 26th Annual Conference of the Horticultural Society of Nigeria, held at Adamawa state University, Mubi, Nigeria. Pp. 146-150. Published by Horticultural Society of Nigeria.
46. Lawal O.I., B.N. Okafor, A.A. Olaniyan, J.O.Odofin and P.O. Adeyemo (2008). Response of Citrus roostocks (Cleopatra mandarin and Roughlemon) varieties to different sources of fertilizer in the screen house. In: A.A. Sajo, K.N. Futuless and N.J.Shelleng (eds). Proceedings of 26th Annual Conference of the Horticultural Society of Nigeria, held at Adamawa state University, Mubi, Nigeria. Pp. 151- 154. Published by Horticultural Society of Nigeria.
47. Lawal, O. I., Olaniyan, A. A., Umeh, V. C., Okafor, B. N. and Rosanwo, O. (2009). Effects of Organo-mineral fertilizers and farm sanitation on yield and fruit losses in citrus orchard. Proceedings of 27th Annual Conference of the Horticultural Society of Nigeria. Bala M.G., Auwalu, B.M. and Manga, A. A. (Eds). Pp. 197-200. Published by: Horticultural Society of Nigeria. www.hortson.org
48. Olaniyan, A.A., Fagbayide,J.A., Lawal,O.I. and Afolabi,O.A. (2009). Evaluation of different storage media on the preservation of bare rooted citrus rootstock. Proceedings of the 5th National Conference on Organic Agricultural Project in Tirtiary Institutions in Nigeria (OAPTIN). Pp.84-89.
49. Alamu, O.O., Egberongbe, K., Olaniyan, A.A., Lawal, O.I. and Olawale, J.O. (2009). Evaluating effects of Organomineral fertilizer treatments on weed population dynamic and composition in citrus orchard. In: Aiyelaagbe, I.O.O., Adetunji, M.T. and Osei,S.A. Proceedings of the 5th National Conference on Organic Agricultural Project in Tertiary Institutions in Nigeria (OAPTIN). Pp.79-83.
50. Lawal, O. I., Olaniyan, A. A., Umeh, V. C. Okafor, B .N. and Rosanwo, O. (2010). Fruit yield and losses in Organic based Citrus Orchard. In: T.I Olabiyi, W.B. Akanbi, J. O. Olaniyi and J. A. Akinlade (eds). Proceedings of the First Technical Workshop on Organic Agriculture ‘LAUTECH 2010’. Pp.72-75. Nigeria Organic Agriculture Network (NOAN) www.noannigeria.net
51. Lawal, O. I., Atayese, M, O. Oyekanmi, A. A. Sakariyawo, O. S. Adeyemi, O. R. Aderibigbe, S. G., Busari. M. A. and Idowu, O. T. H. (2011): Performance of Wnite yam (Dioscorea rotundata Poir.) Cultivars in yam/sweet potato intercrop in Ogun state, Nigeria. In: E. A. Akinrinde and O. T. Yekinni (eds). Proceedings of the Second Technical Workshop on Organic Agriculture ‘LAUTECH 2010’. Pp.7-12. Nigeria Organic Agriculture Network (NOAN) www.noannigeria.net
52. Lawal, O. I., Atayese M.O., Oyekanmi, A. A., Afuwape, S.O., Sakariyawo, O. S., Olaiya, A. O., Idowu, O.T.H. and Aiyelaagbe I.O.O. (2015). Nutrient Uptake and tuber yield of exotic sweet potato cultivars under organic soil management systems in Abeokuta Southwestern Nigeria. Potato and Sweet potato in Africa; Transforming The Value Chains for Food and Nutrition Security. Jan Low, Moses Nyongesa, Sara Quinn and Monica Parker (Eds.) Proceedings Chapter 42: Pp.1-12. Publisher: African Potato Association (APA) Kenya. www.africanpotatoassociation.org.