Avoid drastic changes in temperature and light. Chilling or freezing damage occurs in greenhouse vegetables. If the temperature is increased immediately after sunny, the temperature in the greenhouse will be too high, the mesophyll tissue will be damaged,-----!
Non-pollution, also known as safe vegetables or clean vegetables, refers to vegetables that contain pesticides, heavy metals, and nitrites in vegetable products within the permitted limits set by the state, and people will not cause harm to human health a-----!
First, the layout inside the greenhouse should be reasonable. When planting different types of vegetables in the greenhouse, the principle of high in the north and low in the south should be followed to make the plant heights staggered and orderly, and to -----!
Short is an excellent local bitter gourd variety, mainly distributed in Xinluo, Yongding, Shanghang and other places in Longyan City. The variety is rich in nutrients, dense and crisp in meat quality, excellent in quality, less in water, bitter in taste, -----!
Guide| On November 2, 2017, a day destined to be in the history of gene therapy. On this day, NEJM (New England Journal of Medicine) published a landmark clinical outcome in the form of a headline: Gene therapy successfully extended 15 patients with severe hereditary disease - type 1 spinal muscul-----!
An important condition for good seedlings is that they do not carry pests. Seedling disease not only affects the growth of vegetables, reduces yield, but also introduces pests and diseases into production sheds, causing a large number of diseases and inse-----!
Cucumber is an infinite-growth vegetable. It likes fertilizer and water, it grows quickly and has many fruits. However, the root system is mainly distributed in shallow tillage layers of 15-25cm. difference. Cucumber has a long growing period, high yield-----!