After the wheat enters the returning green stage, the fertility characteristics have changed significantly, and it has entered the sensitization stage from the temperature-sensing stage. The cold resistance of the wheat seedlings is significantly reduced. Once the cold is encountered, the plants are vulnerable to freezing injury. To this end, following the management of early spring wheat, introduce several effective antifreeze methods: l. Scratch ploughing in the soil back to the top sparse Ling Ling, you can loosen soil, protect the earthworms, warming, weeding, and enhance the ability of wheat seedlings to keep out the cold. According to observations, the average ground temperature in 5 cm soil layers increased by 0.5 to 1°C during the day after 7 to 10 days of general scratching, which is beneficial to the promotion of root development and nutrient conversion. Therefore, regardless of weak seedlings, strong seedlings, or strong seedlings, they must pay close attention during the return period. For wheat fields with a long growing trend, they can also be properly squatted to suppress spring delivery. When ploughing, it is necessary to pay attention to mastery of shallowness and fineness, and push the edge of rubbish on the edge. If repression is carried out before scratching, the soil will not be empty, so that it will receive the effect of Panasonic's implementation and lifting. 2. In the early spring suppression of wheat field repression, it is possible to crush the crushed rubbish to close the cracks and make the wheat root in close contact with the soil to prevent cold air from invading and damaging the wheat seedlings. At the same time, repression also has a lifting effect, which can increase the water content of the soil surface, which is conducive to alleviating the cold damage. 3. Fertilization in early spring wheat fertilization can make up for winter soil fertility, increase nutrient accumulation, promote the growth of young wheat seedlings, and prevent or reduce early spring freezing injury. Especially in the winter, high temperature, continuous growth of wheat seedlings, high soil fertility, early spring fertilization is particularly important. The early spring wheat fertilization should seize the favorable opportunity for the soil to be frozen and returned to the slurry. By digging deeper and deeper, it should generally not be watered to avoid lowering the temperature and affecting the growth of wheat seedlings. 4. The spraying of wheat in the green season, the spraying of 200ppm paclobutrazol solution per acre 30 to 40 kg, can inhibit the growth of wheat seedlings, enhance cold resistance. High quality-- our nozzle tips are constructed from high quality stainless steel and brass. Pressure Washer Nozzle,Car Washing Nozzles,Metal Jet Lance Nozzle,High Pressure Washer Spray Nozzle Ningbo Senmiao Trading Co., Ltd. , https://www.senmiaowasher.com
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