%0 Journal Article
%T Quantifying the Effects of Crop and Soil Management Practices on Soil Productivity Using N as a Soil Quality Indicator
%A Anikwe
%A MAN.
%J Tropicultura
%D 2004
%I Agri-Overseas
%K Quantitative evaluation
%K Safe and unsafe cropping systems
%K Soil productivity
%K Maize and groundnut
%K Nigeria
%U http://www.tropicultura.org/text/v22n1/40.pdf