Wheat should be high-yielding

Recently, Shanxi Wheat Industry Expert Post Expert and Wheat Expert Sun Jianzhen from Shanxi Agricultural University, led experts and professors such as Wang Shuguang and Chen Weiguo to create a high-yield demonstration team for wheat production. He inspected 330,000 acres of wheat production field in Xiaxian County, and instructed field management during wheat filling period. And put forward three management suggestions: First, to ensure that pouring a good grouting water, must not be due to a little bit of rain in recent days, while ignoring the grouting water; second is to start as soon as possible prevention and control of powdery mildew and aphid-based pest control; The third is to pay close attention to the top-dressing fertilizer foliar fertilizer, spraying plant compound leaf fertilizer, etc., in order to achieve growth, increase grain, increase grain weight, to ensure high yield and high quality wheat. The picture shows Prof. Wang Shuguang (second from the left) instructs the management of wheat filling during the field. Photo by Lee Suk

At present, wheat has gradually entered the stage of raising the grain filling stage. This stage is the key period for the formation of the final wheat yield and the fight for grain weight. It is also a crucial period for the prevention of natural disasters such as diseases and insect pests, lodging, etc. The main target of this stage is three defenses and two guarantees: That is, prevent pests, prevent lodging, and prevent dry heat; ensure the supply of moisture and nutrients. In order to win the harvest of this summer's grain, the management of wheat grain filling should focus on stabilizing the grain, promoting grains, and increasing weight, strengthen the management of fertilizer and water, do a good job of “three injections” and strive to “two abundances”.

First, we must strengthen fertilizer and water management and do a good job of watering and fertilizing. For defertilized yellow wheat fields, combined with watering, topdressing 7 kg of urea per acre. In the later period of watering, special attention should be paid to weather changes, and it is forbidden to water in stormy weather to prevent lodging. There is plenty of rainwater. It is necessary to clear the ditch.

Second, we must strengthen the control of pests and weeds and do a good job of "one spray and three defenses." The main diseases of wheat in this period include powdery mildew, sheath blight, rust, and head blight; wheat pests mainly include red spider, wheat leaf bee, roundworm, etc.; Harmful and riper than wheat. Therefore, wheat fields with severe grass weeds, such as knotted wheat, wild oats, and bromegrass, must be seized of time, removed manually, and taken out of the field to be destroyed before seeding. Weeds and wheat are reduced to compete for water and fertilizer, to prevent pests and diseases, prevent lodging, prevent dry hot wind, extend grouting time, and increase grain weight.

Third, we must timely harvest to ensure that the particles return to the warehouse. Wheat waxing is the best period for harvesting. At this time, the accumulation of dry matter is the most, the thousand-grain weight is the highest, and the quality is good. According to the characteristics of the varieties, timely harvesting is required. After the harvest, it should be promptly sun-dried to prevent the occurrence of rain and moisture and mildew; it is necessary to make a good food selection before entering the warehouse to ensure the purity and quality of the wheat commodity grain.

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