Bud grafting is a common grafting method for flowers and trees, and it is most suitable for autumn. Generally, the survival rate can reach more than 90%. In particular, some seedlings with fruit and budding in the autumn can update the variety and ensure the fruit set in the following year. In the ......
First, rational breeding Chicks are generally eaten 24 to 26 hours after hatching. After eating, feed such as millet, crushed corn, etc. can be sprinkled on the red or green plastic sheet to allow the chicks to practice foraging. After 3 days, the feed is gradually changed to compound feed. The n ......
1. Ultrasonic gas-water recoil-type rail-track ultrasonic gas-water recoil-type bottle washer adopts “one super + three water three gas†or “one super + two water three gas†method, which uses ultrasonic cavitation to go The role of pollution, and the use of gas and water alt ......
Rat prostaglandin E2 (PGE2) ELISA kit  ( used in biological fluids such as serum, plasma, cell culture supernatant, and urine ) principle This experiment used double antibody sandwich ABC-ELISA. The anti-rat PGE2 monoclonal antibody was coated on the microtiter plate, the standard and the PGE ......
From the perspective of the whole growth period of Chinese cabbage, it is necessary to pass through three periods of seedling stage, rosette period and baldness period. The absorption of nutrients at the seedling stage of Chinese cabbage is small, accounting for only 10%, and the rosette period acc ......
1. An orchard with a yield of more than 3,000 kilograms per mu: organic fertilizer 2 to 4 m3/mu, nitrogen fertilizer (N) 25 to 35 kg/mu, phosphorus fertilizer (P2O5) 8 to 12 kg/mu, potassium fertilizer (K2O) 20 to 30 kg/mu. 2. Orchards with an output of 1,500 to 3,000 kilograms per mu: organic fer ......
The issuance of "Standards for the Use of Food Additives", the convening of a high-level food safety conference, the establishment of whistle-blower telephones, law enforcement inspections, etc. This year, a series of measures to deal with food safety problems are gradually being ......
Rat PINP (PINP) ELISA kit  ( used in serum, plasma, cell culture supernatants and other biological fluids ) principle This experiment used double antibody sandwich ABC-ELISA. The anti-rat PINP monoclonal antibody was coated on the microtiter plate, the standard and the PINP in the sample were ......
On September 25, 2011, CCTV’s “Economy Half Hour†program broadcast “Why the price of pork soars and plungesâ€. The following is the actual recording of the program: First, why pork prices soared? "Economy Half Hour" focuses on pork prices. In the ......
In rural areas, rabbits are raised for more than a dozen households, dozens of them, and more than one hundred rabbits. The common problem is that rabbits are not exchanged, inbreeding, and some rabbit farmers are naturally breeding in the original population for several years. Although the rabbits ......