TY - BOOK AU - Tandon, H.L.S., ed. TI - Methods of analysis of soils, plants, waters and fertilizers SN - 8185116318 U1 - 631.8 21st ed. PY - 1993/// CY - New Delhi PB - Fertiliser Development and Consultation Organisation KW - Irrigation water KW - Plant nutrition KW - Soil analysis KW - Trace elements ER -