Wheat seedling fertilizer management is the key

One year is in spring, and one generation of wheat seedlings is in the seedling stage. In the early spring, the wheat seedlings should strengthen the management of fertilizers to promote the wheat seedlings' ability to resist external factors. Earlier this year, dry buckwheat sowing earlier and sowing more, the current group is too large, the quality of groups and individuals is generally poor. With the accelerated birth process after the spring, the risk of freezing injury and lodging will increase. For drought-wheated wheat fields with too much seeding capacity, one must make surprise checks on seedlings and seedlings. Artificial seedlings can be used to raise the seedlings to reduce the density. Secondly, water and fertilizer must be controlled to reduce ineffective deliveries. The plots of excessively prosperous wheat seedlings should be suppressed and controlled, and fine weather should be selected to suppress the cracks at the right time. The control should promote the crushed soil blocks and bridge the earth seams to enhance the cold resistance of the plants. The weight of the cement mortar or stone mortar used for repression shall be controlled between 100 and 150 kilograms, or it shall be stamped by hand, and the wheat field may be repressed twice. The wheat seedlings cannot be suppressed after jointing. In the sunny days, the dew is dry and suppressed, and the rainy days and the dew cannot be repressed when the dew is dry. The wheat fields cannot be repressed when they are too wet. The winter and spring soils and wheat leaves cannot be repressed when they are not thawed. Late seeding of rice and barley is sufficient for fertilizer supplementation. For the current field where the number of stems is still not enough seedlings, the seedlings should be quickly applied once, and 6 to 8 kg of urea per mu should be applied to promote the transformation of weak seedlings. If there is still no rainfall in the near future, it is necessary to make up for fertilizer in a timely manner. Appropriate broadcast enough for seedlings in Miaotian and late sowing to control the amount of plots for the main crops per acre has reached more than 350,000 or basic seedlings per acre in 260,000 to 300,000 late sowing field, should control the late wax fertilizer and return green manure The application. The wheat fields planted on a proper date will be controlled under 800,000 per acre peak population; the seedling and ear ratio will be 0.7 to 1:1 in late sowing stalks to cultivate wheat fields, and the peak seedlings per acre will be controlled under 850,000. The single-rooted seedlings sown late must be swiftly promoted, so that early-stage births can be planted late in late November to early December. There are currently only 1 to 2 leaves, which are not yet self-supporting, and should be fed with water as soon as possible. Artificially supplement the fertilizer, but make sure that the surface is not frozen. In the period of 2 to 4 leaves, apply 2 fertilizers, applying 4 to 5 kg of urea per acre. Due to the significant delay in the sowing period and frequent cold currents, the annual pre-winter wheat depreciation period is very short, and the effective area is small except for small areas. Although the weeds in the wheat field are small at present, the grass volume is rising quickly. With the increase in temperature and the increase of rain after spring, weeds in wheat fields will show fulminant growth, resulting in comprehensive grass damage. The safe and highly effective herbicides should be selected for production and the work should be carried out in a timely manner.

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