000 00526 am a2200193 a 4500
245 1 _aPotassium nutrition of maize and wheat and its interaction with calcium and mangesium
300 _a100p+11Fig.+47Table
650 _aNutrients
650 _aMaize
650 _aWheat
650 _aCrops
650 _aFood grains
650 _aPlant products
502 _cPunjab Agricultural University,Ludhiana
_bPh.D. Soils
_d1972
502 _gSokhon,,G.S.
100 1 _aKansal,B.D.
_d
942 _2udc
_cT
901 _aRF6940
999 _c148839
_d148839