Organic fertilizer : their nature, properties and use /
Cosico, Wilfredo C.
Organic fertilizer : their nature, properties and use / Wilfredo C. Cosico. - Laguna: Farming Systems and Soil Resources Institute, 1985. - 136 pages ; 23cm.
9711100290
Organic fertilizer.
Organic fertilizer : their nature, properties and use / Wilfredo C. Cosico. - Laguna: Farming Systems and Soil Resources Institute, 1985. - 136 pages ; 23cm.
9711100290
Organic fertilizer.