Soil under shifting cultivation
Nye, P. H.
Soil under shifting cultivation - England Commonwealth Agricultural Bureau 1960 - vi, 156
Soil MechanicsSoil DegradationSoil Fertility
631.4:631.589.1 / NYE-S
Soil under shifting cultivation - England Commonwealth Agricultural Bureau 1960 - vi, 156
Soil MechanicsSoil DegradationSoil Fertility
631.4:631.589.1 / NYE-S