Tillage and Residual effect of some Organic Amendments on Aggregate associated Soil Carbon of an Ultisol, Growth and Yield of Maize and Cowpea Intercrop
1Onunwa, A.O., 2Igwe, C. A.3and Mbonu, O. A. Department. of Soil Science & Land Resources Management, Nnamdi Azikiwe University, Awka, Nigeria Department. of Soil Science, University of Nigeria, Nsukka Department. of Soil Science Rivers State University of Science and Technology, Nigeria Onunwa, A. O. et al., NJSS 28 (2) 31-41 ABSTRACT We investigated the tillage…