000			01096nam a2200421Ia 4500
008			220204s9999 xx 000 0 und d
082			_a631.589.3:581.13 _bHEW;2
100			_aHEWITT, E J
245		0	_aSand and water culture methods used in the study of plant nutrition
250			_aEd.2
260			_aEngland _bCAB _c1952
490			_aTechnical communication No 22
650			_aAutomatic irrigaton
650			_aBoron
650			_aCopper
650			_aDisease control
650			_aEnvironmental factor
650			_aIon
650			_aIon exchange resin
650			_aLight
650			_aManganese
650			_aMicronutrient deficiency
650			_aNutrient impurities
650			_aNutrient reagent
650			_aNutrient solution
650			_aNutrient treatment
650			_aPlant containers
650			_aPlant nutrition
650			_aSand
650			_aSand culture
650			_aSolid rooting media
650			_aTemperature
650			_aTesting
650			_aTree culture
650			_aWater culture
650			_aZinc
942			_cBK
999			_c19557 _d19557