Strengthening management during the booting stage of wheat

At present, when wheat enters the booting stage, the amount of water required for fertilizer needs to increase, and the pests and weeds also enter an active growth stage as the temperature rises. Since the wheat has returned to green, there have been several effective rainfall processes, which are conducive to the transformation and upgrading of the seedlings. At present, the overall growth of wheat is gratifying, showing that the individual is healthy, the mu is into a panicle, the pests and diseases are light, and the wheat development process is appropriate, and it is already at the booting stage. The proportion of the first and second class fields is further increased by more than 80%, which is conducive to multi-earing, large-earning, and increasing the number of grains, laying a good foundation for achieving high yield and good harvest of wheat.

In order to promote the further robust growth of wheat, experts recommend to further strengthen the following management measures:

1. Strengthen the management of fertilizer and water. First, for the weak individual, the lack of fertilizer at the bottom, and the wheat field where slight frost damage occurs, it should be combined with pouring water or the recent rain and topdressing. Generally, the urea is about 7.5 kg of urea. Second, it is necessary to strengthen the fertilization outside the wheat field. Technical guidance. Comprehensive foliar fertilization of wheat fields, such as spraying high-potency foliar fertilizer such as potassium dihydrogen phosphate and alginic acid, to improve the ability of crops to resist stress and photosynthesis, prolong the functional period of leaves and increase the accumulation of photosynthetic products.

2. Do a good job in the prevention and control of pests and diseases with one spray and three defenses. It is necessary to pay close attention to the occurrence of pests and diseases. First, for the field where the sheath blight occurs, it can be used with 5% Jinggangmycin 150-200 ml + 20% triadimefon 100-150 ml water 75-100 kg sprayed wheat per mu. The base of the stem is controlled and sprayed once every 10 to 15 days to treat the leaf spot, leaf blight and powdery mildew. Second, the recent precipitation or watering is conducive to the unearthed hazards of wheat larvae. To strengthen monitoring, 48% chlorpyrifos 150-200 ml per acre can be sprayed with 75-100 kg of water, or 80-200-300 ml mixed toxic soil can be used. Sprinkle in the field. The third is to use wheat 0.9% avermectin 3000 times liquid spray control, for aphids, rust and other pests and diseases to be closely monitored, timely scientific prevention, to prevent spread, reduce harm. Fourth, for a small number of fields where soil-borne mosaic disease and total erosion disease occur, it can be controlled and repaired by spraying foliar fertilizer with morpholinium and total etch.

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