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冬春塑料大棚蔬菜栽培,在棚内地面均匀地撤施一层草木灰,可以有效地降低棚内湿度,提高地温,补充钾肥,是冬、春大棚蔬菜栽培的有效防病防虫,提质增产措施。其具体的是:1 降湿防病虫 大棚蔬菜栽培,湿度过高,容易使蔬菜发生严重的病虫危害。干草木灰具有很强的吸湿性能,撒施于大棚内地面后,可有效地吸收棚室内的水分,降低棚室内的湿度,大大降低病虫害的发生率,减轻病虫危害,提高大棚蔬菜的品质和产量。2 保温增动力 因为黑色的物体辅射吸收热的能力强,草木灰
Winter and spring plastic greenhouse vegetable cultivation, uniform removal of a layer of ash in the shed floor, can effectively reduce the shed humidity, increase ground temperature, potassium supplements, winter and spring greenhouse vegetable cultivation effective disease prevention and pest control measures to improve quality and yield . The specific is: 1 Dehumidification pest greenhouse cultivation of vegetables, high humidity, easy to vegetable serious pest damage. Hay ash has a strong moisture absorption, spreading in the greenhouse after the ground, it can effectively absorb the moisture inside the shed, reduce the indoor humidity, greatly reduce the incidence of pests and diseases, reduce pests and diseases, improve the quality of greenhouse vegetables and Yield. 2 Insulation increase motivation because of the black body auxiliary radiation ability to absorb heat, ash