The Qian'an Forestry Bureau of Hebei Province uses the addition of chestnut chemical detoxification agents to remove 667 square meters of output from the original 130 kilograms to 70 kilograms. The increase rate is about 30%, which is 6-8 times more extensive management, and less investment. Branch agent 6 yuan can spray dry 18-20 centimeters tree 8-10. spraying time in mid-May to early June. The specific criteria are: when the male flower head grows to 8 to 10 cm and the mixed inflorescence grows to 1-2 cm, spraying is most suitable. It is not ideal to be too early or late. Spraying dose: After 3 years of tests, the concentration is larger than the original, and it is appropriate to add 7-8 kilograms of water per drug. Spraying should be uniform, and rain should be sprayed within 12 hours. Pharmacological reactions began to fall 5 days after spraying, fell to the peak in 7-8 days, and generally fell to 65% -75%, greatly reducing nutrient consumption, The nutrient supply of an effective inflorescence is advantageously guaranteed.
Chicken Cage,Poultry Equipment,Poultry Cage
H Type Layer Cage Co., Ltd. , http://www.nspoultryequipments.com