The best time for basal application of fruit trees is in autumn, but because of various reasons, there is no timely application of basal orchard, and base fertilizer can be added in the early winter season. The fertilization time of fruit trees in winter should be earlier than late, and it is better to perform in the early winter season when the orchard ground is not completely frozen. The fertilization method should be scientific and combined with winter irrigation to achieve the best results. Fertilization in winter fruit trees is very important, which has a great influence on the growth of fruit trees in the coming year, and it is related to the fruit tree production in the second year. Therefore, it is necessary to strengthen the management of fertilization of fruit trees in the winter. Then, how to fertilize fruit trees in winter. Choose fertilizer High-quality fertilizers are composted compost, manure, ring fertilizer, green manure, crop straw, human waste, chicken manure, etc. These organic fertilizers have a variety of nutrients needed for fruit trees. Continuous application of large amounts of them can effectively improve the orchard soil. The amount of organic fertilizer applied can be 2-3 kilograms of fertilizer for every kilogram of fruit produced, or 20-30 kilograms of organic fertilizer for each adult fruit tree. It should be noted that organic manure must be fully decomposed, and organic manure that has not been subjected to decomposing treatment is directly applied to the soil. During the fermentation process, a large amount of heat will be generated and root burning will occur. Pay attention to fertilizer time According to the growth rules of the winter fruit tree roots, under normal circumstances, the best time for autumn basal fertilization is in mid-late September, and another fertilization period is between early October and mid-November. If these two times are missed, After the soil is thawed in the spring of the second year, fertilize early. Fertilization method When fertilizing in winter, fertilize the trunk on the ground under the canopy and keep about 80 centimeters away from the trunk, and dig 4-6 radial grooves outwards. The inside is narrow and wide, and the outside is shallow. Deep, or in the outer edge of the canopy to dig a number of bar-shaped ditch, under normal circumstances the ditch depth 20 to 40 cm, width 40 cm, length 80 cm or so, in the trenching, if you encounter a diameter of more than 1.5 cm thick root Remember not to cut off as much as possible. Fertilizer can not be covered immediately after applying fertilizer. Fertilizer and soil should be fully mixed and then covered. Watering should be carried out. Apply fertilizer Fruit trees have little demand for trace element fertilizer, but they are indispensable. When the supply of certain trace element fertilizers is insufficient, the fruit trees are susceptible to physiological diseases such as deficiency of hormones. For example, iron deficiency can cause yellowing disease, and zinc deficiency can cause lobular disease. For fruit trees that have iron deficiency performance all year round, ferrous sulfate is added to the base fertilizer, but the direct application of ferrous sulfate into the soil will quickly turn into insoluble compounds, so it is better to apply the organic fertilizer at the same time. For perennial orchards lacking boron and zinc deficiency, each year the base fertilizer is applied with boron and zinc fertilizers by means of ditching and hole application. Generally, each adult tree is put into 50 grams of boron fertilizer and zinc fertilizer. Squid Food,Frozen Squid,Frozen Squid Tube,Frozen Squid Ring ZHOUSHAN GENHO FOOD CO.,LTD , https://www.genho-food.com