000 00229nam a2200097Ia 4500
100 _aNagornny V.D.
250 _a1st
020 _a978-81-272-5844-3
245 _aSoil fertility management
260 _bKalyani Publishers, Ludhiana
_c2011
082 _a631.41NAG
999 _c343710
_d343710