Astragalus has a sex reversal, its early stage is female, and later it will become male. Therefore, the accurate identification of male and female jaundice is generally required before the breeding season. Experienced breeders can also use their individual differences, growth cycle, shape, etc.......

Vegetable soybean is a kind of soybean, commonly known as soybeans, white soybeans, named because of its fresh beans covered with white hair on the shell. The fresh vegetables are rich in nutrients, crisp and tender, with a clear flavor and good taste. Japanese people especially like to eat. T.......

Ponds are a breeding ground for fish, so pond conditions must meet the survival needs of fish. The clearing of ponds directly affects the survival rate of fish, the speed of growth, and the level of yield, which is the most basic work for fish production. First, the clearing of fish ponds The .......

(1) Artificial seedlings are best reared and fed for artificial seedlings with an optimal salinity of 32 to 35, a temperature of 19 to 24°C, a dissolved oxygen of 0.0005%, and a stocking density of 50 to 250 tails/liter. Slightly larger aquaculture waters can increase survival rate at a sma.......

When working with a farm machine, it is common to see rusted or broken screws. Some robots are helpless, and some are screwed and damaged to damage the screws and parts. Here are a few easy ways to try it out, which may bring you benefits: 1. Remove the rusted screws and nuts 1. Slowly tighten.......

Timing: Formulated feeds should be fed every day in order to ensure the nutrition, growth and production needs of livestock and poultry. Generally, livestock and poultry are fed 3 times a day. Breeding of livestock and poultry, livestock and poultry, gravid poultry and special livestock and po.......

Spring wheat sowing and fertilization Note: Spring wheat sowing in Tianjin can generally be completed before the end of March. Fertilizer should be applied to the base fertilizer. Since spring wheat is more sensitive to phosphorus than winter wheat, and spring wheat grows faster and faster, it.......

It should be the day of spring flowers, but because of the warm winter, Nanhui's peach blossoms failed to smile as usual. With the peach sisters in the same city, Shanghai's Flower Port, tulips and other flowers break through the cold, has blossomed gorgeous flowers. Why? The reporter .......

The rice bio-preservation technology developed by Yueyang Jinniu Rice Industry Development Co., Ltd. of Hunan Province has passed expert appraisal a few days ago. This technology has filled a domestic gap and solved the problem of difficult grain storage. Rice is prone to hygroscopicity and mi.......

Ophiopogon japonlcus (L.{.) Ker-Gawl. For Liliaceae. Alias: Maimen Dong, step grass. With Ziyin Sheng Jin, lungs and cough, pure heart Chufan function. Indications of fever, injury, hot dry cough, tuberculosis hemoptysis embolism. Mainly produced in Zhejiang, Sichuan, Guangxi and other provinc.......

After the brake in the air brake system is suddenly locked, the following methods should be used for maintenance. 1. Inaccurate pressure should be promptly replaced or corrected (the pressure of the reserve gas tank in the brake circuit must be higher than 0.5 MPa after braking); for air probl.......

1. Inject fresh water and dissolve ice to fill ponds for wintering. Fill the appropriate amount of river water or well water every day after spring to supplement the amount of fish pond water, accelerate the melting of ice, and promote early fish activity. 2. Grasping the source of fish and ra.......