Freeze-drying is a technique of drying by the principle of sublimation. It is a process in which the dried substance is rapidly frozen at a low temperature, and then the frozen water molecules are directly sublimated into a water vapor escape process under a suitable vacuum environment. The pro…

To determine how much sow milk generally see the following aspects:

First, look at appetite. During lactation, the sows’ appetite is relatively strong. They can eat a large amount of green and juicy feed or full-rate diets. Their daily intake is above 6 kg. In terms of group…

In greenhouse tomato cultivation, reducing the number of defective fruit and improving quality is very important, which is directly related to the level of economic benefits. The following four management measures are adopted to enable high tomato yield, excellent quality, neat and no resi…

First, the purpose of shearing

1. Summer cooling: The sheep's body has long, thick coat, high summer temperatures, difficulty in heat dissipation, rapid breathing, reduced intake, impaired body temperature regulation, and affects sheep's digestion, circulation, and endocrin…

1. New chickens: New chickens are bred in the spring, and autumn and winter were opened in that year. Such young hens are depleted and their body condition is poor, and feeding and management should be strengthened. Feed more carbohydrate feed (such as corn, sorghum, dried melon, etc.) and pro…

Tests have shown that if the summer corn can be properly and properly emasculated, the yield can be increased by about 10%, and the method is simple. You must master the following points when you go:

1, emasculation time. When the tassels of maize have just been outcropped, the ema…

The quick-frozen kidney beans produced in China are mainly exported to Japan and have a very low market share in the domestic market. However, with the continuous changes in people's consumption concepts and values, quick-frozen kidney beans also have great market potential in China. The p…

From August 1 to August 7 this year, she was the world breastfeeding week. Professor Cao Xuchen, a breast division of Tianjin Cancer Hospital, reminded new mothers and expectant mothers that breastfeeding can effectively reduce the risk of breast cancer.

The living standards and rh…

Fusarium wilt is commonly referred to as "death disease" and is a soil-borne fungal disease. Fusarium wilt pathogens can survive in the soil for many years. Continuously growing melons will cause the bacteria to accumulate and the damage will increase. Some local pipe wilt diseas…

Apple flower rot mainly damages leaves, flowers, young fruit and twigs, causing leaf rot, flower rot, fruit rot and branch rot.

1, leaf rot. It takes 2 to 3 days after the leaves to emerge, and red-brown spots on both sides of the leaf tip, leaf margin, or vein appear not to be pla…

Grapes are hi light fruit trees, and the courtyard where the grapes are planted requires good scenery and conditions. The terrain is high and it is not easy to collect water. The planting points were determined before planting, and the plant spacing was about 2m. Construct a drainage ditch…

Abstract [Apple orchard management technology: General fruit growers do not attach much importance to the management of late autumn orchards, and the autumn orchards should grasp good basic fertilizers in autumn. The nitrogen and phosphorus in the base fertilizer …