"Protection after slope" is the key greenhouse wall maintenance. The method is for the new greenhouse, to wait for a good level "after the roof" good soil after use of a new plastic film covering the entire back wall. If want to reduce costs, the cost of Zhengzhou greenhouse, you can use the old films, but to stick with tape breakage, common greenhouse cost, to ensure protection against rain and snow can not penetrate, greenhouse construction cost, to protect the wall. And then on top of plastic film, covered with a layer non-woven material sun, but also play a role in weed control. The last two rows of the greenhouse column spacing is too large. After the canopy between two rows of columns, Shenyang greenhouse cost, which shed top surface portion of the park is often the straw mat and rolled rolling machine parts, the parts can be said to be acceptable where the greatest pressure, often so that the skeleton deformation above. Expert advice: two rows column spacing to minimize, should be about 80 cm in the middle only to build an east-west road cement ditch and people can be. Shenyang greenhouse vegetable wholesale cost _ Tian Run (certified) _ Greenhouse cost by the Cangshan County Tianrun cultivation of professional cooperatives. Cangshan County Tianrun planting cooperatives (www.tianrun8.net) Shandong Linyi, fruits leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Run vegetable wholesale leadership in the field with the staff warmly welcome all inquiries negotiations to create Tianrun vegetable wholesale better future.