- Kwabena Kyere, Kofi Agyarko, Richard Kotei, Matt Dodd, Godfred Darko, Francis Kastro Kavi and Sonny Gad Attipoe(2024) Dumpsites farmers’ awareness of physicochemical properties of dumpsites soil in two agro‑ecological zones, Ghana. Environ Monit Assess (2024) 196:955 https://doi.org/10.1007/s10661-024-13124-w
- Kumah-Amenudzi, D., Asiedu, E.K., Agyarko, K., Essilfie, M. E., Amponsah, E.K., Owusu, S.E., Atakora, W.K. and Bindraban P.S.(2024) Effects of NPKS Granular and Briquette Fertilizers on Some Soil Chemical Properties and Yield Parameters of Maize (Zea mays L.), Asian Journal of Soil Science and Plant Nutrition Volume 10, Issue 2, Page 1-12.
- Atakora, K., Dapaah, H.K., Agyarko, K., Essilfie, M.E. and Santo, K.G. (2023) Additive Main Effect and Multiplicative Interaction Stability Analysis of Grain Yield Performance in Cowpea Genotypes across Locations. American Journal of Plant Sciences, 14, 517-531.
- Kwabena Atakora, Margaret Esi Essilfie, Kofi Agyarko, Harrison Kwame Dapaah and Kwadwo Gyasi Santo (2023) Evaluation of Yield and Yield Components of Some Cowpea (Vigna unguiculata (L.) Walp) Genotypes in Forest and Transitional Zones of Ghana. Agricultural Sciences, 14, 878-897.
- Atakora, K., K. Agyarko, H. K. Dapaah, E. K. Asiedu, A. J Baayim, B. Y. Osei and K. Kyere (2019) The Combine Effect of Grasscutter (Thryonomys swinderianus) Manure and NPK Fertilizer on Soil Properties, Growth and Yield of Carrot (Daucus carota). Journal of Experimental Agriculture International 40(1): 1-11.
- Benette Yaw Osei, Kofi Agyarko, Emmanuel Kwasi Aseidu, Martha Agyiri, Kwabena Kyere, Emmanuel Kofi Amponsah and Kwabena Atakora (2018) Influence of Different Soil Application Methods of Mucuna puriens on Soil Chemical Properties and Maize Yield in Ghana. International Journal of Plant & Soil Science 24(6): 1-9.
- Kwabena Kyere, Kofi Agyarko, Benette Osei Yaw and Emmanuel Kwasi Asiedu. (2018) Influence of Grass Mulch on Soil Physical Attributes of a Luvisol and Water Requirement of Cowpea (Vigna unguiculata) in the Transition Zone of Ghana. Asian Soil Research Journal 1(2): 1-13.
- Kwabena Kyere, Kofi Agyarko, Bennete Osei Yaw and Emmanuel Kwasi Asiedu (2018) Soil Surface Treatments and Moisture Characteristics of a Luvisol under Cowpea (Vigna unguiculata) in the Transition Zone of Ghana. Asian Journal of Physical and Chemical Sciences 6(1): 1-9.
- Kofi Agyarko, Akwasi A. Abunyewa, Zinekena S.T. Tii Bora, John Asare, Albert K. Boakye and Randy Y. Abankwa (2017) Changes in soil nutrient levels under four Teak plantations and their corresponding natural vegetations in Ghana. Research Journal of Recent Sciences 6(6): 5-12.
- Kofi Agyarko, Kwame Agyei Frimpong and Akwasi Adutwum Abunyewa (2017) Phosphorus release dynamics under phosphate rock and ammonium sulphate in soil amendment. Eurasian J Soil Sci., 6 (4) 312 – 318.
- R. Asante, K. Agyarko and H. K. Dapaah (2017) Mucuna pruriens, Cattle and Chicken Manures Soil Amendment on Some Soil Chemical Properties and the Growth and Yield of Cabbage (Brassica oleracea). International Journal of Science and Research (IJSR) 6(4) 1990 – 1995.
- Benette Yaw Osei, Kofi Agyarko, Kwabena Kyere and Emmanuel Kwasi Asiedu (2017) Response of hydro-physical properties of a Chromic Luvisol in Ghana to different methods of application of Mucuna pruriens as a soil amendments. International Journal of Environment, Agriculture and Biotechnology (IJEAB) 2(5) 2559 – 2568.
- Benette Yaw Osei, Martha Agyiri, Emmanuel Kwasi Aseidu and Kofi Agyarko (2017) Assessment of the Relative Suitability of Three Different Soils for Dry Season Lettuce Production in Ghana. International Journal of Environment, Agriculture and Biotechnology (IJEAB) 2(5) 2546 – 2553.
- Kofi Agyarko , Akwasi Adutwum Abunyewa, Emmanuel Kwasi Asiedu and Emmanuel Heva (2016) Dissolution of rock phosphate in animal manure soil amendment and lettuce growth. Eurasian J Soil Sci., 5 (2) 84 – 88.
- A. Abunyewa, K. Agyarko and E. K. Asiedu (2015)effects of reforestation on degraded soils in the moist semi deciduous zone of west Africa. Journal of Science and Technology 35( 1) 1-9.
- K. Atakora, K. Agyarko, E.K Asiedu, H.K. Dapaah, and S.Y. Annor (2014) Influence of grasscutter manure, chicken manure and NPK fertilizer on the growth and yield of carrot and chemical properties of soil. International Journal of Innovation and Applied Studies 9 (1) 412-420.
- Kofi Agyarko, Emmanuel Dartey, Richard Amankwah Kuffour and Peter Abum Sarkodie (2014) Assessment of Trace Element Levels in Sediment and water in some Artisanal and Small-Scale Mining (ASM) Localities in Ghana. Current World Environment 9 (1) 7 – 16.
- K. Atakora, K. Agyarko and E. K. Asiedu (2014) Influence of Grasscutter, Chicken Manure and NPK Fertilizer on the Physical Properties of a Chromic Luvisol, Growth and Yield of Carrot (Daucus carota). International Journal of Plant & Soil Science 3(2): 197-204.
- Kofi Agyarko, Kannuba Samuel Jnr., Boamah Russel, Kusi Menkah Tony and Iddi Simon Antuong (2014) Views of Preventing Borassus aethiopum from Extinction among Four Communities in Ghana. Journal of Natural Sciences Research 4 (2) 83 – 89.
- P. Atta Poku, K. Agyarko, H. K. Dapaah and M. M. Dawuda (2014) Influence of Mucuna pruriens Green Manure, NPK and Chicken Manure Amendments on Soil Physico – Chemical Properties and Growth and Yield of Carrot (Daucus carota L.). Journal of Agriculture and Sustainability 5 (1) 26 – 44.
- K. Agyarko, H. K. Dapaah, S. Buah and K. A. Frimpong (2014) Sweet Potato (Ipomoea batatas) Yield Parameters, Soil Chemical Properties and Cost Benefit Ratios Following Incorporation of Poultry Manure and Inorganic NPK Fertilizers in Low Nutrient Ghanaian Soils. International Journal of Plant & Soil Science 3(2): 129-138.
- Antoinette Sena Attigah, Emmanuel Kwasi Asiedu, Kofi Agyarko and Harrison Kwame Dapaah (2013) Growth and Yield of Okra (Abelmoschus esculentus L.) as Affected by Organic and Inorganic Fertilizers. ARPN Journal of Agricultural and Biological Science 8 (12) 766-770.
- Agyarko K and E. K. Asiedu (2012) Cocoa Pod Husk and Poultry Manure on Soil Nutrients and Cucumber Growth. Advances in Environmental Biology, 6(11): 2870-2874.
- S. B. Yeng, K. Agyarko, H. K. Dapaah, W. J. Adomako and E. Asare (2012) Growth and yield of sweet potato (Ipomoea batatas L.) as influenced by integrated application of chicken manure and inorganic fertilizer. African Journal of Agricultural Research. 7(39), 5387-5395.
- H. K. Dapaah and K. Agyarko (2012) Let’s grow a good sweetpotato crop – A Farmer’s Resource Manual. Clemana Ventures, Kumasi, Ghana.
- Kwame A. Frimpong, David O. Yawson, Kofi Agyarko and Elizabeth M. Baggs (2012) N2O Emission and Mineral N Release in a Tropical Acrisol Incorporated with Mixed Cowpea and Maize Residues. Agronomy, 2, 167-186.
- Kofi Agyarko, Joseph Adu, Daniel Gyasi, Samuel Kumi, Lydia Mensah (2012) Soil Erosion around Foundations of Houses in Four Communities in Ghana. Open Journal of Soil Science, 2, 28-32. DOI:10.4236/ojss.2012.21005.
- K. Agyarko, E. Darteh, B. Berlinger (2011) Assessment of metal levels of some refuse dump soils in Ghana. ARCH. ENVIRON. SCI., 5, 101-105.
- E.K. Asiedu, K. Agyarko, M. M. Dawuda, E. K. Amponsah and A. F. Dodzidenu (2011) Soil physical properties and growth and yield of cabbage (Brassica oleraceae var capitata) as influenced by different land preparation methods. Gh. J. Agric. Sci. Tech., 2(1), 1-7.
- K. Agyarko, E.K. Asiedu, I.K. Atubiga and S. Anane (2011) Determination and Restoration of Soil Fertility by Local Farmers: The Case of Techiman Municipality of Ghana. World Journal of Agricultural Sciences, 7 (6), 667-671.
- K. A. Frimpong, D. O. Yawson, E. M. Baggs, Kofi Agyarko (2011) Does incorporation of cowpea-maize residue mixes influence nitrous oxide emission and mineral nitrogen release in a tropical luvisol? Nutr Cycl Agroecosyst, 91:281–292.
- K. Agyarko, E. Darteh, B. Berlinger (2010) Metal levels in some refuse dump soils and plants in Ghana. Plant Soil Environ., 56 (5), 244–251.
- E. Dartey, A. A. Adimado, K. Agyarko (2010) Evaluation of airborne lead levels in storage battery workshops and some welding environments in Kumasi metropolis in Ghana. Environ Monit Assess. 164, 1 – 8. DOI 10.1007/s10661-009-0869-x
- E. K. Asiedu, K. Agyarko, R. Kotei, E. K. Amponsah and B. Ampadu (2009) Seed characteristics, seed germination and seedling performance of hybrid cocoa as influenced by pod size. Ghana Journal of Science and Agricultural Education, 1, 88 – 95.
- G. Sam, K. Agyarko, E. B. Borketey-La and H. K. Dapaah (2009) Efficacy of neem leaf extract, dimethoate and chlorpyrifos on the growth, yield and insect pests of cowpea. Ghana Journal of Science and Agricultural Education, 1, 66 – 76.
- Agyarko, K., Akoto, E. O. and Awuah, A.(2007) Characterization of solid wastes generated by a community in Ghana – The case of Asante Mampong. Journal of Applied Science and Technology (JAST). 12 (1 & 2) 46 – 51.
- K. Agyarko, E. K. Asiedu and W. J. Adomako (2007) Effect of neem leaves and poultry manure soil amendments on growth and yield of tomato and okro. Ghana Journal of Horticulture, 6, 89 – 94.
- K. Agyarko and W. J. Adomako (2007) Survey of the use of organic manure among vegetable farmers in selected districts in Ghana. Journal of Sustainable Development in Africa ,9 (4) 1 – 15.
- Agyarko, K., Kwakye, P. K., Bonsu, M., Osei, B. A.(2006) Impact of application of neem leaves and poultry manure on nutrient dynamics of a Haplic Acrisol. Archives of Agronomy and Soil Science, 52 (6) 687 – 695.
- Agyarko, K., Kwakye, P. K., Bonsu, M., Osei, B. A. and Frimpong, K. A. (2006) The effect of organic soil amendments on root-knot nematodes, soil nutrients and growth of carrot. Journal of Agronomy, 5 (4) 641 – 646.
- Agyarko, K., Djang-Fordjour, K. T. and Agbavitor, P. (2007) Maize storage in the Ejura Sekyere-Dumase District of Ashanti. Science & Technology for Wealth Creation and Sustainable Development in Ghana: Proceedings of Sunyani Polytechnic Lecture Series II, September 24 – 26, 2006.
- Agyarko, K., Kwakye, P. K., Bonsu, M., Osei, B. A., Asare Donkor, N. and Amanor, E. (2006) Breakdown of Azadirachtin A in a tropical soil amended with neem leaves. Pedosphere, 16 (2) 230-236.
- Agyarko, K. and John Sackey Asante (2005) Nematode Dynamics in a Soil amended with Neem leaves and Poultry Manure. Asian Journal of Plant Sciences, 4 (4) 426 – 428.
- Agyarko, K., P.K. Kwakye, M. Bonsu, B.A. Osei and J.S. Asante (2005) Effect of Neem and Organic Amendments on Nematode Populations in a Coastal Savanna Tropical Soil. Phytoparasitica, 33 (4) 343-346.
- Agyarko, K., Borketey-La, E. B. and Abaidoo, I. A. (1999) Pesticide Usage Among Farmers: A Case Study of Shama-Ahanta East District of Ghana. Ghana Educational Media and Technology Association Journal, 3, 63 – 70.
- Agyarko, K. and Wang, K. ( 1998) Schoenemann Reaction and the Degradation of Three Organophosphorus Pesticides in Water. Journal of Zhejiang Agricultural University, 24 (3), 333 – 338.
- Wang, K., Meng, F., Agyarko, K. and Yu, J. (1995) The Progress of Nonpoint Sources Pollution Monitoring – An Elemental Tracer System for Determining Nonpoint Source Contamination in Fresh Water. Agro – Environment and Development, 12 (2) 18 – 21.
- Agyarko, K., Annor, S. Y. and Seidu, J. M. (2005) SOLAR ENERGY IN AFRICA – Barriers to overcome to make Africa ripe for solar energy business. 2005 Forum of Rural Energy Promotion in Developing Countries, September 16 – 17, 2005, Beijing, China. Pp. 87 – 93.
- Seidu, J. M., Agyarko, K. and Annor, S. Y. (2005) Vegetable drying using locally constructed solar panels. 2005 Forum of Rural Energy Promotion in Developing Countries, September 16 – 17, 2005, Beijing, China. Pp. 118 – 124.
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