Sustainable dryland cropping in relation to soil productivity
Pearson, C. J. ; Norman, D. W. ; Dixon, J.
Sustainable dryland cropping in relation to soil productivity - 1995 - xi 146p.
FAO soils bulletin no- 72
9251037922
Sustainable dryland cropping in relation to soil productivity - 1995 - xi 146p.
FAO soils bulletin no- 72
9251037922