葱田铺麦糠好处多大葱定植后即进入盛夏季节，由于温度高、湿度大、进气性差，其光合机能减弱，容易发生病害，而给定植后的大葱田铺上麦糠，则可解决这些难题。１．降低地温。在夏季大葱定植田里铺约３～５厘米厚的麦糠，地温比露地降低２～５℃，保证大葱高温期也能正常... Onion field wheat bran benefits How much onion into the summer after planting, due to high temperature, humidity, poor intake, the photosynthetic function weakened, prone to disease, and given the planting of green onions covered wheat bran, you can solve These problems. 1. Reduce the ground temperature. In the field of green onions in the summer planting about 3 to 5 cm thick wheat bran, ground temperature lower than exposed 2 ~ 5 ℃, to ensure high temperature onions can also be normal ...