TY - BOOK AU - Balasubramaniyan,P.; Palaniappan,SP TI - Principles and Practices of Agronomy SN - 9788177542110 AV - QA76.5 .P318 2007 PY - 2007/// CY - India PB - Agrobios KW - Agronomy KW - Agriculture N1 - "Comprehensive."; References, & index included ER -