1. In breeding seedlings, potted flowers, and some annual flowers, precious flowers and green seedlings, all those who can enter the shed should do a good job of entering the shed for insulation work, and timely cover the shed film to prevent the intrusion of cold air. 2, in view of the current we

Grafting breeding technology 1. The selection of rootstock is rootstock holly and long fruit holly. Sow seedlings, select high 120 cm, chopsticks, rough seedlings seedlings to do the grafting of the mother anvil. 2. Grafting method adopts cut-and-connect method. The annual buds of Kuding tea are

Why do some pills have starch added? In fact, the starch is mainly used for the production of tablets. The tablets are made up of pharmaceutical ingredients, starch and various excipients according to a certain proportion of the formulation. There are more than a dozen kinds of optical auxiliary ma

Daxue Town, Xinghua City, Wang Dianjin: Corn is in the 2-leaf stage. Can we use 48% chlorpyrifos cream and kung fu 25 g/L lambda-cyhalothrin water emulsion to control the tiger? A: Yes, but it should be noted that the concentration of the liquid should not be too large, otherwise it may cause inj

English name: L-Arginine Other names: 2-amino-5-mercaptovaleric acid CAS No.: 74-79-3 C6H14N4O2=174.2 Content: ≥99.0% Specific optical rotation: 25 ~ 27o Chromatography: Qualified traits: white crystalline powder Use: This product is for research use only: RT

Eating roasted sweet potatoes in winter is a very enjoyable thing. Holding a hot, fragrant roasted sweet potato in hand is really a bit of a chill. However, experts reminded the public that baking sweet potatoes made from barrels of chemical raw materials is not hygienic. If sweet potatoes are con

To maintain a good body condition and reproductive performance of sows, selection and control of sows at each stage of feed is one of the key measures in breeding. Sows breeding can be divided into four stages: backup period, weaning period, pre-pregnancy and late pregnancy. The selection and cont

In recent years, with the development of the pig industry, there have been many small-scale pig farms across the country. However, the feeding methods are various. There are too many concentrates for sows, which not only causes the sows to be over-fat but also causes The waste of feed is now summa