The broodstock can be selected from broodstock, either naturally or artificially. The breeding period is from May to September and the peak period is from May to June. The female broodstock should have a body weight of about 25 grams, and the second-instar fish have more eggs. Female sex gland dev ---MORE---
The plant ash is the residue left by the burning of the agricultural stalks and the firewood. It has a simple texture, a strong endothermic and moisturizing ability, and also contains abundant nutrients such as potassium, phosphorus, calcium, iron, magnesium, and sulfur. The potassium content is a ---MORE---
First, urea solution: commonly used concentrations of 0.5% to 1%, 0.5 to 1 kg of urea, 100 kg of clean water. Diamine content of urea toxic substances more than 1.5%, can not be used for foliar fertilizer. Second, urine washing mixture solution: with nitrogen supply, eliminate the two effects. We ---MORE---
The silicone rubber film is a polydimethylsiloxane-based rubber film, and a FC-8 cloth-based silicone rubber film is commonly used. The permeability thereof is good, and the air permeability ratio is CO2:O2:N2=12:2:1. Therefore, according to a certain storage and temperature conditions, a certain a ---MORE---
Product main function Antimicrobial resistance This product contains a special anti-bacterial agent, after the application of antibodies in the body, there is a strong antibacterial, antibacterial function, crop yields due to severely reduce the production of a significant effect, anti-fire drag ---MORE---
First, the significance and trends of straw returning to the field of straw is an important by-product of crops, but also an important production resource for industrial and agricultural production. As a resource, crop stalks can be used as raw materials for fertilizers, feeds, living fuels, and pa ---MORE---
Pengze 鲫 is a pheasant-shaped head, a genus 鲤, a subfamily genus, and a genus, often inhabiting lake reeds. There are five to seven gray-black reed-like markings on the side of the body. In the natural waters of Dingjiahu, Fanghu and Taibo Lake in Pengze County, Jiangxi Province. It has t ---MORE---