In response to the current drought situation, agricultural experts recently reminded farmers: “This year, it is emphasized that early return of green manure to wheat is highly targeted.â€
Experts said that due to continuous autumn drought 50 to 60 days last year, the sowing date of wheat was elongated, and a considerable part of the wheat field was late sowing or late sowing. The seedlings were small and weak, usually 3 leaves to 3 leaves. The winter of single root seedlings shows that compared with normal wheat fields with 2-3 tillers with more than 5-6 leaves, these small weak seedlings will receive at least 200 pounds per acre under the same seed, fertilizer, and other production inputs. The reason is that there are too few green leaves per unit area that receive sunlight, and light leakage is serious. In the process of growing wheat, it is necessary for the root system to absorb mineral nutrients from the soil, and at the same time, it is necessary to create organic nutrition through the green leaves, and the two are coordinated with each other. Such as early application of green manure, promote small and weak seedlings in the "spring" after the rapid growth, increase the number of spikes per acre of about 50,000, you can recover more than 50 kilograms of output, such a wheat field to jointing and then apply fertilizer and do a good job The defense of pests and diseases will eventually yield a better harvest.
Experts also reminded farmers that in the wheat field with a population of 50,000 to 600,000 or even 700,000 to 800,000 total sorghum per mu, or more than 5 to 6 leaves per plant, green manure must not be applied, otherwise it would increase too much spring. Delivery, resulting in large groups and closed fields, is not conducive to high yields. Some early crops in wheat have emerged with different seedlings, and then they come out again after raining. There is a big gap between them and large seedlings, and they can also apply “eccentric fertilizers†to the seedlings.
In addition, in some wheat fields, the weeds were not removed before the year, we must pay close attention to chemical weeding after the temperature rise, especially spring varieties of wheat, jointing period earlier than the half-time varieties, to be removed before the jointing.
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