AGRIS - 国际农业科技情报系统

Soil and land resources appraisal and training project, Philippines. Bicol river basin, Libon-Camalig area. Annex 4: Soil profile descriptions. V. 2: Map sheet numbers 10 through 17 - Field document 8(Annex 4, v. 2)

1977

FAO, Rome (Italy). Agricultural Operations Div. eng | Bureau of Soils, Manila (Philippines) eng