Osthol
Osthol-Osthol is an active ingredient extracted from the dried and ripe fruit of Umbelliferae plant Cnidium, and the preparation is 0.4% osthol EC. It is mainly contact effect, supplemented by stomach toxicity, and has a good control effect on cruciferous vegetables, cabbage insect and tea inchworm. The dosage for the control of cruciferous vegetables was 0.4% EC 667 square meters 80m ~ 120 ml, and the dosage for the control of tea inchworm was 0.4% EC 100 ml 120 ml. Generally every 667 square meters with diluted liquid 50 murals 75 kg, uniform spray, lasting for about 7 days, safe for crops.
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Reindeer (Kangifertarandus) belong to Artiodactyla, Cervidae, which is native to the Arctic and near-Arctic regions. In China, reindeer mainly live in dense forests on the northwest slope of Daxing'an Mountains, with strong cold tolerance in areas with longitude of 120 °15 °E and latitude of 53 °15'N. The economic value of reindeer is very high, and its antler, skin, meat and milk can be used. at the same time, it has high ornamental value in the zoo because of its strange appearance and tame. Reindeer move in Harbin
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Q & An on the establishment and introduction of raccoon dogs
Q: what are the prospects for raising raccoon dogs? Can you make money? Answer: raising raccoon dogs has a bright future and can make money Q: which areas are suitable for the development of raising raccoon dogs? Answer: raccoon dogs are of origin in northern China and can be raised in areas north of latitude 30 °North. The quality of the bark produced at higher latitudes is better than that at lower latitudes (30 °- 40 °). In order to ensure the quality of the bark, it should be introduced from the high latitude (north of 40 °) as far as possible, and it is best to introduce some new species every year to renew the blood relationship.
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