Piper, C.S
Soil and plant analysis; a laboratory manual of methods for the examination of soils and the determination of the inorganic constituents of plants - Bombay Hans Publishers 1966 - 368
botanical chemistry
soil analysis
631.42/PIP
Soil and plant analysis; a laboratory manual of methods for the examination of soils and the determination of the inorganic constituents of plants - Bombay Hans Publishers 1966 - 368
botanical chemistry
soil analysis
631.42/PIP