论文部分内容阅读
园土消毒 大棚蔬菜由于连作次数多,一般病害较为严重,用化学药剂进行园土消毒可杀灭靠土壤传播病害的病菌,降低发病率。可在每平方米床土上注入3～5克多菌灵或300克溴化甲醇进行灭菌。 双层保温 采取双层保温措施,即在大棚内加盖地膜或设置小拱棚。据试验,在棚内加盖地膜,能使地温提高2℃,在棚内设置小拱棚可使小拱棚内
Garden soil disinfection of greenhouse vegetables as a result of the number of continuous operation, the more serious diseases generally, with chemical disinfection of garden soil can kill pathogens by soil-borne diseases, reduce the incidence. In per square meter of bed soil injection of 3 to 5 grams of carbendazim or 300 grams of brominated methanol for sterilization. Double-layer insulation to take double insulation measures, namely, afforesting in the greenhouse film or set a small shed. According to the test, in the shed stamped with plastic film, can make the ground temperature increased 2 ℃, set in the shed small shed can make a small shed