CAJ | 학술논문

烤烟需水特征与烟田土壤水分变化状况对烤烟生长发育、生理生化过程、烟叶的品质特征和产量都有显著的影响。通过田间试验，研究优质烤烟需水特征和各生育期土壤水分的动态变化，结果表明，烤烟生长季内需水量具有明显的阶段性：伸根期消耗少，旺长期明显升高，成熟期逐步下降，烤烟需水特征与烟株的生长趋势相一致。烤烟伸根期、成熟期土壤含水量大于烤烟的需水量，需要注意排水，而旺长后期和成熟前期由于阶段性干旱，土壤含水量小于烤烟的需水量，这一时段应及时进行补灌。
고연수수특정여연전토양수분변화상황대고연생장발육、생리생화과정、연협적품질특정화산량도유현저적영향。통과전간시험，연구우질고연수수특정화각생육기토양수분적동태변화，결과표명，고연생장계내수수량구유명현적계단성：신근기소모소，왕장기명현승고，성숙기축보하강，고연수수특정여연주적생장추세상일치。고연신근기、성숙기토양함수량대우고연적수수량，수요주의배수，이왕장후기화성숙전기유우계단성간한，토양함수량소우고연적수수량，저일시단응급시진행보관。
Flue-cured tobacco water requirement characteristics and soil moisture condition have very significant effect on tobacco growth, physiological and biochemical process, the quality of tobacco and fertilizer use in tobacco fields. T his research through the field trials providedtechnicalsupportforthetobaccoplantingandwaterusingproject.Theresultsshowedthatithasobviousstagesondomesticdemand of water:it’s less consumption in root stretch period, significantly higher in vigorous growing period, gradually declined in mature period, flue-curedtobaccowaterrequirementcharacteristicsconsistentwiththegrowthtrendoftobacco.Thesoilmoisturecontentisgreaterthanthe tobaccowaterrequirementinrootstretchandleafmatureperiod,thusneedtopayattentiontodrainage;thesoilmoisturecontentlessthanthe waterrequirementsin vigorousgrowing period due to periodic drought,thistime should be timely to supplementalirrigation.