000 00477nam a2200157Ia 4500
008 170101s1975 xx 000 0 und d
082 _aT 634.8 V50R
100 _aVERMA, Hari Singh
245 0 _aResponse surface studies on nitrogen, phosphorus and potassium in perlette cv. of grape
250 _aCOA
260 _aLudhiana
_bPAU
_c1975
300 _a71+27L
650 _aGRAPES -- FERTILIZERS AND MANURES
653 _aGRAPES -- FERTILIZERS AND MANURES
942 _2ddc
_cT
999 _c19818
_d19818