1. After thoroughly clearing the fruit trees of the garden, it is necessary to carry out a thorough cleaning of the garden. Weeds, diseased branches, fallen leaves, weeds, fruit drop, and rotten fruit in the orchard were collectively removed from the orchard for burning. Careful removal of diseased shoots, dead shoots, stale fruit, and branches with worms in fruit trees during wintertime will clear the habitat of overwintered pests. 2. It is the best time for deep orchard turning before the fruit is deep-flipped in the orchard and before it is frozen. Deep plowing can not only improve soil physical and chemical properties, increase soil fertility, but also can turn over winter pests hidden in the soil, freeze to death or be eaten by birds. 3, scraping fruit trees in the late autumn and early winter, scraping fruit trees or old skin scraping, weak trees scraping, Wang trees re-scrape. Scrape should be clean and thorough, the depth should be appropriate, not to whiteness. In the process of scraping the diseased skin, a large plastic sheet is placed under the tree, and the diseased skin is collected, buried or burned. 4. Spray pesticides at the end of autumn and winter, use 45% crystal lime sulfur or 29% orchard liquid to spray the whole body of the fruit trees to kill pathogens and eggs remaining on the trees and under the trees to reduce the wintering base of the pests and diseases. . Glass Venlo Greenhouse is Spire-type glass design, design and installation of windows when more convenient and easy. Its roof slope andle can be appropriately according to the local real climate change the environment. Glass Venlo Greenhouse,Flowers Glass Greenhouse,Nursery Glass Greenhouse,Vegetables Glass Greenhouse JIANGSU SKYPLAN GREENHOUSE TECHNOLOGY CO.,LTD , https://www.greenhousehydroponic.com
In Venlo greenhouse, foundation is made of reinforced concrete and the side wall is made of brick or reinforced concrete plate. the steel frame always use hot dip galvanized light steel. Roof beam adopts horizontal girder structure and using herringbone connection. The horizontal girder bears 2 or more roofs, which is made of aluminum alloy. This material is used as roof structure material and also glass inlay material. Other beams using gutter style to minimize the section. Delighting material of the roof and side wall using 4 mm thick float glass.