First, the shortage of organic fertilizer application With the improvement of rural conditions, the enthusiasm of farmers to build farmyard manure is reduced, and the aquaculture industry gradually shifts from farmer households to large-scale farming. The amount of livestock manure in farm households is reduced, while large-scale livestock and poultry manure is raised. The utilization rate of resources is not high, resulting in a shortage of organic fertilizers. Second, the structure of chemical fertilizer application is irrational. Many farmers have blinded fertilization phenomenon, resulting in an increase in the number of ineffective tillers, weak stems, resistance to lodging, cold resistance, and disease resistance. They are often affected by winter freezing injury and spring downing and winter cold. Pests and diseases are aggravated in the middle and later stages. Easy lodging, which affects the yield. Thirdly, the application of straw and straw to the field without adding nitrogenous fertilizer straw is an effective measure to solve the problem of organic fertilizer shortage. However, many farmers do not master the technology well, and no nitrogen fertilizer is added after the straw is returned to the field. Fourth, unreasonable fertilization methods Some low-yielding fields in the winter wheat producing areas or soil-poor areas have a "one-shot" method of fertilization. That is, all the fertilizers are applied to the soil at one time during the sowing period, and the fertilization period is no longer applied. Fifthly, during the top-dressing period, most of the winter wheat growing season is carried out during the returning green period. Early spring is the key period for wheat spring tillering and basal internode elongation. Overhead fertilizer often leads to too many invalid tillers and the wheat field is too large. The stalks are weak, and the internodes are too long; it also causes field closure of wheat during late and late growth periods, poor ventilation and light transmission, powdery mildew and other diseases, resulting in easy lodging and affecting the yield and quality of wheat. Sixth, ignoring trace elements Fertilizer application of trace elements is also a necessary nutrient element for the growth and development of winter wheat. Seventh, the blind application of new fertilizers has some technology content is not high and excessive speculation, resulting in unclear peasants, blind application in the direction of investment is unknown, unclear application methods, resulting in reduced production and economic losses. Fingerprint Recognition Time Attendance Fingerprint Recognition Time Attendance,Employee Fingerprint Attendance Machine,Wall Mounted Fingerprint Attendance Machine,Fingerprint Attendance Equipment Chongqing Huifan Technology Co., Ltd , https://www.hfsecuritytech.com
Seven Problems in Winter Wheat Fertilization Must Be Avoided