The female offspring of the European and male small crossbreeds have prolonged body, black back, white belly, and 5 rows of bone plates. They have fast growth rate, high feed conversion ratio, strong disease resistance, high nutritional value, and no muscle. Characteristics such as thorns have gra ---MORE---
Dairy cows should not use any drugs during the lactation period. When they must use drugs, they should choose Chinese herbal medicines for treatment. Milk during the drug residue period should not be sold as commercial milk, and milk withdrawals should be accurately calculated before drug withdraw ---MORE---
The economic benefits of capsicum cultivation in greenhouses and solar greenhouses are good, but soilless cultivation can be used due to the continuous cropping of heavy crops, which has a good application effect. The soilless cultivation of pepper must grasp the following key technologies: 1. So ---MORE---
Preserved salted duck eggs in this way can be marinated in as little as 3-4 hours, and can also overcome the shortcomings of salty duck eggs. Method Steps: 1 Prepare saturated salt solution with cold starter and salt. 2 Select fresh duck eggs that have not been damaged, wash them, put them in a pr ---MORE---
Soil fertility refers to the ability of the soil to continuously provide and coordinate requirements for crops such as water, fertilizer, gas, and heat. Soil fertility is the basic property and essential characteristic of soil. The four major fertility factors are commonly referred to as soil moist ---MORE---
1, bogey well water dispensing. Well water contains more calcium, magnesium and other minerals, and they easily react with chemicals to produce precipitates, thereby reducing the efficacy. 2, hanged sewage pharmaceuticals. Sewage contains a lot of impurities, spray after spraying will block the s ---MORE---
1. Bait concentration: The chronic toxicity of this product is greater than the acute toxicity, that is, the venom of eating less frequently is more strong, and the bait generally adopts a concentration of 2.5-5/10,000. 2, preparation methods: Most rice, rice or wheat preparation, but also useful ---MORE---