000			00606 a2200217 4500
041			_aEn
080			_b333
082			_aAT044
100			_avelrajah S.
245			_aSatial variability of soil fertility characteristics at the kalinga ela in sewagama agrarian service center in the parakrama samudra irrigation scheme in polonnaruwa
260			_c2008 _g2008
300			_bill,pic _c30 cm. _aix,43 p
650			_aGIS
650			_aSALINITY
650			_aTHEMATICMAPS
650			_aSPATIAL VARIABILITY
650			_aSOIL FERTILITY PARAMETERS
650			_aRICE
650			_aGPS
942			_cT
999			_c10471 _d11912