Shade nets are used for summer vegetable production, which generally can increase production by more than 30%. For vegetable seedlings, the survival rate can be increased by 20% to 70%. The coverage methods can be summarized as follows: First, the floating surface cover the shade net directly on the ground or plants, usually when sowing, after planting. Second, a small arch cover covering the shade net in the small arch shed of the arch bracket, suitable for summer and autumn shading, cooling, ventilation or early spring night frost use, can also be used for rainy season rain or winter and spring night insulation. 3. The flat shed shall be covered with a flat or inclined bracket with a height of 0.5 to 1.8 meters above the finished shed. The shade net shall be placed on the bracket for shade and rain protection. Fourth, greenhouses covered by greenhouses and covered by single-network coverage, combined with the membrane cover, covering the outside of the shed and cover within the shed. When the single net and the omentum are combined, the greenhouses are generally not suspended and are left uncovered at about 1 meter from the ground. Covered around the shed, mostly used for early spring night heat preservation. Covered in greenhouses, generally not cover 1 to 1.5 meters above the ground. V. Covering each growth stage 1. The main purpose of covering after sowing is to maintain soil moisture and prevent soil compaction after heavy rain. Prevent pests and birds. The method is generally covered directly on the ground, but after the emergence of the seedlings, the nets must be uncovered in time to avoid impeding the growth of seedlings. 2. Short-term coverage after planting: One is to cover cabbage, cauliflower, Chinese cabbage, celery, lettuce, etc. after planting in the summer and autumn, until it is covered until it survives, and the cover is covered at night; it can be directly covered on the crop; In the evening, it is covered with solanes and melons planted in early spring to prevent frost.
We are Chinese manufacture, our main product is all kinds of natural plant extract, fruit and vegetable powder.
Our product usually use as food, beverage cosmetic,pharmaceutical ingredients.
The products in this classification is very popular, and sells good, for example: black elderberry extract, Echinacea extract and cranberry extract. For the epidemic situation is very serious this year, those kind of products can strengthen immunity, it is very popular this year. And also the quality received customer's recognition.
Black Rice Extract,Black Goji Extract,Lucidum Powder,Natural Pomegranate Seed Powder Xi'an Longze Biotechnology Co., Ltd. , https://www.bestbilberry.com