Soil fertility requirments to attain efficient production of food crops on the extensive, deep, wel-drained but relatively infertile asid soils of the humid tropics; Annual summery prograss report 1968-1970
Agencey for International Development
Soil fertility requirments to attain efficient production of food crops on the extensive, deep, wel-drained but relatively infertile asid soils of the humid tropics; Annual summery prograss report 1968-1970 - Ithaca AID 1970 - 12p.
631.454:633.002:631.415.2(213) 1969.7.1/1970.6.30 (083.9) L
Soil fertility requirments to attain efficient production of food crops on the extensive, deep, wel-drained but relatively infertile asid soils of the humid tropics; Annual summery prograss report 1968-1970 - Ithaca AID 1970 - 12p.
631.454:633.002:631.415.2(213) 1969.7.1/1970.6.30 (083.9) L


