Effect of Organic Manure On Cowpea EFFECTS OF ORGANIC MANURE AND COWPEA (Vigna unguiculata (L.) WALP) VARIETIES ON THE CHEMICAL PROPERTIES OF THE SOIL AND ROOT NODULATION

  • Published 2008

Abstract

INTRODUCTION The problem of declining soil fertility in crop-based farming system of sub-Saharan Africa is well known (Nwajiuba & Akinsanmi 2002). The use of organic amendments in agriculture has increased over the years, due to the increasing cost of inorganic (chemical) fertilizers and high demand for quality and uncontaminated products (Sangakkara 1993… (More)

Topics

4 Figures and Tables