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日光温室单一蔬菜种植模式已经给生产带来许多问题 ,如由于超量使用化肥 ,造成温室内土壤浓度过高 ,影响蔬菜作物正常生长发育 ;有害微生物增多 ,土传病害加重 ;河北省中南部地区 11月份的连阴天 ,对喜温果蔬栽培极为不利 ,往往造成减产、绝收。基于这几种情况 ,试图通过改变日
Single vegetable planting mode in solar greenhouse has brought many problems to production, such as excessive use of chemical fertilizers, resulting in the greenhouse soil concentration is too high, affecting the normal growth and development of vegetable crops; increased harmful microorganisms, soil-borne diseases aggravate; central and southern regions of Hebei Province Even the cloudy in November, the temperature of fruit and vegetable cultivation is extremely negative, often resulting in reduced production, absolutely yield. Based on these kinds of situations, trying to change the day