000 00298nam a2200097Ia 4500
008 191031s9999 xx 000 0 und d
100 _aCHANDRASEKARAN (D)
245 0 _aEconomics of fertilizer use for selected dryland crops in kovilpatti block Tirunelvelli district
260 _c1981
942 _cBK
999 _c211107
_d211107