Organic materials and soil productivity /

Bibliographic Details

Corporate Author:	Food and Agriculture Organization of the United Nations. Soil Resources, Development and Conservation Service
Other Authors:	Flaig, W.
Format:	Book
Language:	English
Published:	Rome : Food and Agriculture Organization of the United Nations, 1977.
Series:	FAO soils bulletin ; 35.
Subjects:	Soil productivity. Soil fertility. Humus. Organic fertilizers.