塑料大棚由于常年连作,棚内温度适宜,土壤中病虫害极易生长繁殖,从而使作物减产甚至绝收。这已成为生产中亟待解决的一个问题。 以色列溴化物有限公司生产的溴甲烷是一种高效、广谱土壤消毒剂,可以杀灭土壤中线虫、土传病菌、土壤害虫及杂草。1997年8月,我们在山东省潍坊郊区的蔬莱大棚用溴甲烷进行了土壤处理,试验效果非常明显。在管理措施相同的情况下,处理区的番茄生长健壮,叶片浓绿,根系发达,果实大,上市早, As a result of perennial continuous cropping plastic shed, suitable shed temperature, pests and diseases easily grow and multiply in the soil, so that crop yield reduction or even income. This has become an issue to be solved urgently in production. Methyl bromide, produced by Israel Bromine Limited, is a highly effective, broad-spectrum soil disinfectant that can kill soil nematodes, soil-borne pathogens, soil pests and weeds. In August 1997, we conducted soil treatment with methyl bromide in the vegetable greenhouses in the Weifang suburb of Shandong Province. The test results are very clear. In the case of the same management measures, tomato processing area robust growth, dark green leaves, roots developed, large fruit, early market,