The vegetables grown in the greenhouse grow year by year, and this environment provides a suitable place for diseases and insect pests to survive the winter. In the face of the characteristics of many diseases and insect pests, fast spread and heavy harm, which have a great impact on vegetable production, it also has a great impact on the output. Therefore, the vegetable Greenhouse manufacturer will introduce three effective measures for you:
(a) high temperature stuffy shed
Before planting Vegetables, cover the canopy with a canopy membrane and close the closed canopy for 7 to 10 days on a sunny day to raise the temperature of china glass greenhouse for vegetables above 60 ℃. In this way, the bacteria and spores and eggs on the soil surface and walls can be killed, which will reduce the source of infection during the growth of Vegetables. When be in high temperature and frowning shed, press every cubic metre shed space USES the object that sulphur powder 3 grams, sawdust 5 grams, dichlorvins smoke agent 1 gram to mix equably next rise, dark fire is ignited, airtight smoke is smoked, the effect is better, but after fumigation should be put out wind 2 to 3 days, reprepare the ground is planted.
China Glass Greenhouse For Vegetables
(2) Seed treatment
Diseases and insects are often lurking or mixed on the seeds and seedlings of vegetables. Careful treatment of the seeds before sowing can kill some diseases and insects. Common treatment methods include soaking seeds in warm soup and treating chemicals. 1. Soaking seeds in warm soup is generally soaked in warm water at 50°C to 60°C for 5 to 15 minutes. Stirring should be kept during soaking to make the seeds evenly heated; 2. The agent treatment can use 0.1% copper sulfate, 0.1% potassium permanganate or 300 Formaldehyde can be used for seed soaking, and the seed can be mixed with 50% carbendazim wettable powder in the amount of 0.3% to 0.4%.
(3) Disinfection of soil chemicals
Before sowing or planting, disinfecting the soil in the planting greenhouse can kill germs or eggs in the soil, and prevent or reduce the harm of pests in the growing season of vegetables. When sterilizing the soil, the pesticides can be selected according to the occurrence of diseases and insect pests throughout the year. Mix the medicament with an appropriate amount of fine dry soil, evenly spread it on the ground, and then plough into the soil. One-third is spread on the seedbed, and two-thirds is spread on the seed after sowing, that is, the lower cover is covered, which has obvious control effect on vegetable seedlings diseases and insect pests, but pay attention to keep the surface soil of the bed surface moist to avoid damage.
These are some effective measures for when we have pests. Let ’s follow them. I believe everyone has a headache for pests. So when we are planting, we must ensure that no matter what step is used, we can reduce the invasion of pests. Our plants grown.