| Production costs in the yam-based cropping systems of southeastern Nigeria FI Nweke, BO Ugwu, CLA Asadu, P Ay RCMP research monograph 6, 1991 | 132 | 1991 |
| A comparison of the contributions of clay, silt, and organic matter to the effective cec of soils of subsaharan africa. CLA Asadu, J Diels, B Vanlauwe Soil Science 162 (11), 785-794, 1997 | 108 | 1997 |
| Agronomy GC Orkwor Food Yams; Advance in research, 1998 | 72 | 1998 |
| Contributions of microorganisms to soil fertility in adjacent forest, fallow and cultivated land use types in Nsukka, Nigeria A CLA, IA Nwafor, GU Chibuike Int J Agric 5 (3), 199-204, 2015 | 56 | 2015 |
| Relative contributions of organic matter and clay fractions to cation exchange capacity of soils in southeastern Nigeria. CLA Asadu Samaru Journal of Agricultural Research 7, 17-23, 1990 | 56 | 1990 |
| A comparative characterization of two foot-slope soils in the Nsukka area of Eastern Nigeria CLA Asadu Soil Science 150 (2), 527-534, 1990 | 48 | 1990 |
| Soils of Arable Crop Fields in sub-Saharan Africa: Focus on cassava-growing Areas CLA Asadu, FI Nweke COSCA, Collaborative Study of Cassava in Africa, 1999 | 45 | 1999 |
| Cassava production in Nigeria: a function of farmer access to markets and to improved production and processing technologies FI Nweke, BO Ugwu, AGO Dixon, CLA Asadu, O Ajobo Collaborative Study of cassava Africa, 1999 | 42 | 1999 |
| Evaluation of physico-chemical properties of soils under selected agricultural land utilization types GU Nnaji, CLA Asadu, JSC Mbagwu Agro-Science 3 (1), 27-33, 2002 | 38 | 2002 |
| Land use and soil management situations in Nigeria: an analytical review of changes CLA Asadu, PI Ezeaku, GU Nnaji Outlook on Agriculture 33 (1), 27-37, 2004 | 34 | 2004 |
| Fluctuations in the Characteristics of an Important Short Tropical Season,August Break'in Eastern Nigeria CLA Asadu Discovery and Innovation 14 (1), 92-101, 2002 | 29 | 2002 |
| Effect of biochar soil amendment on soil properties and yield of sesame varieties in Lafia, Nigeria. E Ndor, OJ Jayeoba, CLA Asadu | 28 | 2015 |
| Cassava system cropping guide S Hauser, LWI Wairegi, CLA Asadu, DO Asawalam, G Jokthan, U Ugbe CAB International, 2014 | 28 | 2014 |
| Effect of combined Poultry Manure and inorganic fertilizer on maize performance in an ultisol of southeastern Nigeria CLA Asadu, BO Unagwu Nigeria Journal of Soil Science 22 (1), 79-87, 2012 | 28 | 2012 |
| Residual effects of organic and NPK fertilizers on maize performance at different soil pH levels BO Unagwu, CLA Asadu, PI Ezeaku IOSR Journal of Agriculture and Veterinary Science 5 (5), 47-53, 2013 | 25 | 2013 |
| Assessment of Sewage Application in Southeastern Nigeria: Part 1: Impact on Selected Soil Morphological and Physical Properties CLA Asadu, C Ucheonye-Oliobi, C Agada Outlook on Agriculture 37 (1), 57-62, 2008 | 24 | 2008 |
| Influence of Parent Materials on the Soils of Southestern Nigeria FOR Akamigbo, CLA Asadu East African Agricultural and Forestry Journal 48 (1-4), 81-91, 1982 | 22 | 1982 |
| Comparative evaluation of the contributions of soil physicochemical properties to variations in the yields of four major staple food crops in eastern Nigeria CLA Asadu, AGO Dixon, R Okechukwu Soil and Tillage Research 65 (2), 141-155, 2002 | 21 | 2002 |
| Effect of biochar on soil properties and organic carbon sink in degraded soil of Southern Guinea Savanna Zone, Nigeria E Ndor, SM Amana, CLA Asadu Int. J. Plant Soil Sci 4 (3), 252-258, 2015 | 20 | 2015 |
| Cattle grazing and environment in eastern Nigeria: Impact on soil physical properties CLA Asadu, OO Ike, BO Ugwuoke Outlook on Agriculture 28 (2), 103-107, 1999 | 20 | 1999 |
Peter Ezeaku (Ph.D)Department of Soil Science,University of Nigeria NsukkaAdresse e-mail validée de unn.edu.ng
