Prickly ash seeds are repeatedly washed in alkaline water with a concentration of 1%. After removing the oil, wash it with water, dry it, and use the new high-fat membrane seed dressing to repel the underground pests and diseases, and isolate the .......

Soybeans are the main crops in China and are grown in many areas. In the process of planting soybeans, the disease of brown streak is often high, which has great harm to the yield and quality of soybean. Let's take a look at the causes and prevention methods of thi.......

Nursery and seedbed management. The cucumber must use grafted seedlings, and the rootstock is generally black seed pumpkin.

1. Seedbed preparation. The cucumber and black seed pumpkin seedbeds are set in the greenhouse, and the bed soil ca.......

Soaking seeds and germination before planting. Firstly, the watermelon seeds should be disinfected, and then immersed in the new high-fat membrane mother liquor to keep warm, moisturize and swell, and improve the germination rate of the seeds to m.......

Soil-borne diseases and insect pests such as Phytophthora capsici root rot, Pythium root rot, eggplant verticillium wilt, melon root-knot nematode are aggravated in some areas, which often leads to severe yield reduction. In addition, the perennial heavy sputum caused the deterioration of .......

First, ignore the irrigation and drought. The pots of potted fruit trees have a small volume, and the roots of the fruit trees are shallow, which is prone to lack of water. If the water is not replenished in time, the leaves will be wilted or even die. Therefore, we must pay attention to k.......

Reasonable trimming. After freezing, remove the frozen and non-shedding leaves in time to avoid further absorption of water and increase frost damage. Do not cut off the frozen and dried branches immediately. It should be cut shortly after the spring and death of the buds. Strengthen manag.......

Recently, the autumn tiger has a sputum, which continues to be hot and dry, which is extremely unfavorable for the growth of fruit trees. In order to ensure that the production of apples is not affected, the orchard management is very important to seize the two key points o.......

US researchers develop oral insulin capsules

February 22, 2019 Source: Beijing Daily Author: Zhou Zhou