TY - BOOK AU - Piper, C S TI - Soil and plant analysis: a laboratory manual of methods for the examination of soils and the determination of the inorganic constituents of plants SN - 9788172336202 U1 - 631.4 PY - 2017/// CY - Jodhpur PB - Scientific publishers KW - Collection and preparation of soil samples KW - Hydrogen ion concentration KW - Mechanicall analysis KW - Single value soil constants KW - Nitrogen ER -