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First, as early as possible, seeding management initiative to first pay attention to drought relief, ensure that seedlings full seedlings. If there is a lack of lyrical content, the headwaters shall be used to protect the seedlings after sowing. Due to late planting, the seedling stage may well be in the rainy season, and the maize seedlings are afraid of pods. Special attention should be paid to the drainage work after the rain.
The second is to pay attention to pest control and weed control, and focus on preventing and controlling the disease. To spray imidacloprid or acetamiprid immediately after wheat is harvested, the weeds in the field must be evenly sprayed with pesticides to effectively control the planthopper and prevent the spread of the virus.
The third is the timing of seedlings and seedlings, leaving a sufficient number of acres. 3 leaves between the seedlings, 5 leaves Dingmiao. With the delay of the sowing date, special attention must be paid to ensuring the density this year.
Fourth, after Dingmiao as early as possible to mention Miao Fei, and promote early-onset seedlings. At the same time to avoid excessive nitrogen fertilizer during the seedling period, resulting in lodging in the late.
Second, the ring is closely linked, in the middle and late management does not relax first, appropriate control. In corn fields with fast growing stems and leaves, chemical control reagents such as jade and gold can be sprayed during the jointing stage (6 unfolding leaves) to the big bell-mouth period (13 unfolding leaves).
The second is rational fertilization to prevent premature aging. The big bell mouth heavy ear fertilizer, flowering filling period pay attention to make up the grain fertilizer, watering. In the later stage of corn growth, it is possible to combine locust control Tianda 2116 and potassium dihydrogen phosphate to prevent premature aging. The third is to remove weak strains in time to improve lighting conditions. Flowering silking period, cloudy or rain or special high temperature artificially assisted pollination.
III. Appropriate late harvest does not shake At present, the growing period of corn-dominated varieties in our city is 95-108 days, but harvesting in accordance with the variety introduced during the growth period does not guarantee full maturity. Properly postponing the harvest period can significantly increase production. In particular, under the circumstances that the sowing date of maize is generally postponed this year, it is even more necessary to avoid premature harvest of corn. The best harvest period should be after the National Day. Seeding wheat immediately after harvest does not affect the autumn sowing of wheat.
This year's wheat is generally late harvest and summer corn sowing is 7-10 days later than usual. For this year's special climate, we must focus on "early morning (early management) one night (appropriately late) three preventions (emergent buds, pest control, lodging prevention)" to effectively strengthen corn field management and propose the following technical guidance plan. :