Want to achieve the quality of sand onions and high yield, it is best to build a greenhouse, is also the more popular planting methods on the market, although the pre-cost is relatively high, about 4,000 to 5,000 yuan per mu per year, so the harvest is still very Not bad. 1. Construction: Generally, the cost of building a greenhouse in a greenhouse is about 3,500 to 5,000 yuan per mu. 2. Fertilizer: The nutrient requirements for scallions are not very high. Generally, the fertilizer cost per mu is about 300 yuan per year. 3, Tian Rent: Most of the sand onions will be planted in relatively remote areas, so the cost per acre is about 300 yuan. 4, artificial: sand onion is very strong, and does not need too much care, about 200 yuan per mu per year. 5. Pesticides: Generally, the onion is rarely damaged by pests. As for the lime, it is necessary to sprinkle some lime. Generally, only about 20 pieces per mu are needed. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone Bio Ethanol Fuel,Fuel Ethanol,Ethanol Fuel For Cars,Environment Good Ethanol Fuel JILIN COFCO BIO-CHEM AND BIO-ENERGY MARKETING CO., LTD , https://www.cofco-biotech.com