000			00496nam a2200169Ia 4500
008			120822s9999 xx 000 0 und d
082			_aTH _b626.852 A261S
100			_aAgrawal, Om Prakash
110			_aJaiswal, C.S.
245			_aSpatial variability in soil salinity improvement with subsurface drainage
260			_bGBPUA&T _a Pantnagar _c1991
300			_a139
502			_bM.Tech. _aIrrigation and Drainage Engineering
650			_a Salt of
650			_a Soils
650			_aDrainage
999			_c89074 _d89074