000 00485nam a2200169Ia 4500
008 170101s1974 xx 000 0 und d
082 _aT 633.11 G96F
100 _aGURBAKSH Singh
245 0 _aFertilizer requirements of wheat sown in potato-wheat rotation
250 _aCOA
260 _aLudhiana
_bPAU
_c1974
300 _a72+11+13L
650 _aWHEAT -- FERTILIZERS AND MANURES
653 _aROTATION OF CROPS
653 _aWHEAT -- FERTILIZERS AND MANURES
942 _2ddc
_cT
999 _c19589
_d19589