TY - BOOK AU - SANKARA, Reddi G.H. 7 Yellamanda Reddy, T. TI - Efficient use of irrigation water. rev & update ed U1 - RRSRP 631.7 S15E PY - 2002/// CY - Ludhiana PB - Kalyani KW - IRRIGATION WATER KW - JT. AUTH ER -