1. Planely row on a regular day in the sunny morning to uncover the film inside the big line, with three teeth hook planing large lines, depth 15 cm - 20 cm. After planing, flatten and replace the film. After deep-drawing, the soil under the membrane becomes rough and soft, and the heat absorp.......
1. Colorful angel fish The colorful angelfish is ovoid, with a brilliant blue body color. There are 8 vertical brown-red stripes from the rear end of the lid to the base of the tail stem. The dorsal fins and buttocks extend from the front of the body to the base of the tail shank. Its varietie.......
Whether Chinese herbal medicines can be harvested at a proper time directly affects the quality of the products. Below, some of the best harvesting time and harvesting plan for some commonly used Chinese herbal medicines are described below for reference. After 2 to 3 years of excavation of Bu.......
1, rinse method. Leaves suffer from phytotoxicity. Spray the affected area repeatedly with clean water, and remove or reduce the pesticide residues on the leaves. 2, detoxification law. Farmland that is caused by excessive application of pesticides should be washed and washed in a timely manne.......
The three-dimensional cultivation of black fungus in large bags not only solves the problems of low yield and easy contamination of black fungus bags, but also is not subject to climatic conditions, sites, resources, funds, etc., and is labor-saving, material-saving, high-yield, high-quality, .......
Agricultural machinery is subject to seasonal restrictions. It operates for a short period of time each year and is parked for most of the time. Therefore, storage and preservation are an important part of technical maintenance. In particular, winter storage should be more scientific. First, p.......
Lily, also known as Yehei, Zhong Penghua, Garlic, etc., is a perennial perennial vegetable of the family Liliaceae, native to temperate regions of eastern Asia. China has a long history of planting lilies, of which Lanzhou in Gansu, Yixing in Jiangsu and Shaoyang in Hunan are famous producing .......
Orchard plant protection operations have basically adopted mechanical operations. Plant protection machinery includes manual and motorized sprayers (machines). This year, we also developed models such as mist sprayers and injection machines. In addition, pipeline spraying technology has begun .......
Swordfish (xiphias gladus linnaeus) is a large deep-sea fish that is distributed in the Atlantic Ocean, Indian Ocean, and Pacific Ocean. It is mainly captured by longline fishing methods. The individuals obtained are mostly about 10-100 kg and less than 100 kg. The largest individual body leng.......
First, pay attention to the use of large varieties of income without risk. A large amount of medicinal herbs will be used in most prescriptions, such as Banlangen, Atractylodes macrocephala, Salvia miltiorrhiza, Campanulaceae, Pinellia, Codonopsis pilosula, Bupleurum chinense, Radix paeoniae a.......
I. Current status and incidence of aquaculture In recent years, the rapid development of Penaeus vannamei in Zhejiang Province has approached 300,000 mu of aquaculture in Zhejiang Province. According to our investigation on the occurrence of white shrimp culture and disease occurrence in the p.......