Organic materials and soil productivity
By: by W. Flaig ... [et al.]
Series: FAO soils bulletin ; 35; Soils bulletin -- 35
Publisher: Food and Agriculture Organization of the United Nations; Food & Agriculture Organization of the United Nations (FAO)
Published: 1977
Place of publication: Rome
Language: eng
Number of pages: 119
Subjects: Soil productivity; Soil fertility; Humus; Organic fertilizers
Notes: Bibliography: p. 101-119