After entering spring, peach trees have entered the period of budding, flowering, fruit setting and shoot growth. In order to meet the growth of tree shoots and nutrient requirements for young fruit development, top dressing is particularly important before flowering, especially for trees with weak growth potential. Taoyuan, which had a high output in the previous year, was conducive to neat and unobtrusive flowering, and increased the rate of fruit set and early shoot growth. Appropriate application of nitrogen fertilizer before flowering can promote fruit set and tree growth, but should pay attention to the amount, so as not to cause new shoots long, increase the fruit drop. Immediately after top dressing watering, topdressing methods can be used ditch, hole, strip, radial or circular applicator, also can be used in conjunction with watering applicator.
During the peach and young fruit period, they are most afraid of waterlogging and drought, resulting in falling flowers and falling fruit. Therefore, the orchard in the plains should clear the ditch in time and clean up the mud, and timely irrigation and drainage to ensure proper lyricism. At the same time, it is necessary to combine the growth characteristics of spring and apply topdressing nitrogen, phosphorus and potash fertilizers to ensure balanced nutrition.
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