Corn borer mainly harms crops such as corn, sorghum, cotton, hemp, pepper and cowpea, and uses mature larvae for wintering in the straw, cobs, and roots of host plants such as corn and sorghum. The amount of insects in the straw usually accounts for about 75% of the overwintering insects. According-----
1. When inspecting the oil level, all cylinder plungers and pistons should be retracted. If not enough, it should be added. 2. The working oil temperature range of the hydraulic system is generally 30°C to 60°C, and the ideal range is 60°C to 80°C. The highest temperature does not exc-----
The technique of soil testing and fertilization for vegetables has the characteristics of increasing production and income, saving fertilizer, increasing the utilization rate of fertilizers, reducing the pollution of nitrates to vegetables and the environment. First, the principle of soil testing-----
1. Preparation for sows before childbirth: Before sowing the bed, the sow body should be cleaned and the genital area should be disinfected with a disinfectant containing iodine or acid. 2. Signs of sows giving birth: Sow labor will be restless, feed intake will drop, urethra will have bleeding r-----
1 Galla chinensis: Each gallon of water body is flooded with Gallon 2-3 grams of Jianzhi Quanchipi, which can prevent white spot, red bark, and gill disease. 2. Acorus calamus: 4-5 kg ​​of calamus and ramie are used to break into slurries for each mu of water surface. After soaking,-----
Ultra-pure water machine troubleshooting The device is plugged into the power supply, the power indicator light is off, and the system is dead. Please open the chassis to check if the power cable is loose during transportation and reconnect it. When the power button i-----
Bamboo shoots are delicious, tender, and non-polluting. They are delicious dishes on the table, and canned bamboo shoots, dried bamboo shoots, and magnolia slices made by them are deeply loved by consumers. How can we make full use of the resources of bamboo shoots and rationally choose digging ba-----