000 00474nam a2200157Ia 4500
008 170101s1969 xx 000 0 und d
082 _aT 631.842 P67A
100 _aPOONIA, Soni Ram
245 0 _aAvailability of calcium from calcium carbonate and calcium sulphate in saline-alkali and alkali soils
250 _aCOA
260 _aLudhiana
_bP.A.U
_c1969
300 _a127L
650 _aSOILS -- CALCIUM CONTENT
653 _aSOILS -- CALCIUM CONTENT
942 _2ddc
_cT
999 _c18742
_d18742