Tropical soils and fertiliser use
Ahn, Peter Martin
Tropical soils and fertiliser use - Essex Longman 1993 - 264 p. - Intermediate tropical agriculture series .
0582775078
Fertilizers
Soil conditioners
631.8 / AHN
Tropical soils and fertiliser use - Essex Longman 1993 - 264 p. - Intermediate tropical agriculture series .
0582775078
Fertilizers
Soil conditioners
631.8 / AHN