00598nam a2200193Ia 4500001001000000003000500010008004100015010001100056040000900067082001700076100002400093245005300117260008700170300000900257440002500266500003200291650004800323650003300371Para_7471CHAP220125s1935 xx 000 0 und d a206359 cCHAP aPA-C 632 B85 aKnowlton, George F. aGreenhouse fumigation /c by George F. Knowlton aLogan, Utah :b Utah State Agricultural College. Agricultural Expperiment Station a4 p. aCollege Series ; 472 aEnc. con impresos similares aFitopatología x colecciones de escritos aInvernaderos x fumigación