Diagnostic techniques for soils and crops : their value and use in estimating the fertility status of soils and nutritional requirements of crops
Bear, F.E.
Diagnostic techniques for soils and crops : their value and use in estimating the fertility status of soils and nutritional requirements of crops (Book) - Washington, D.C American Potash Institute 1948 - 308 p. 26 cm.
Deficiency diseases in plants Soil fertilizer requirements
631.811 BEA / 8445
Diagnostic techniques for soils and crops : their value and use in estimating the fertility status of soils and nutritional requirements of crops (Book) - Washington, D.C American Potash Institute 1948 - 308 p. 26 cm.
Deficiency diseases in plants Soil fertilizer requirements
631.811 BEA / 8445