Incremental maize plants and methods for making up the seedlings
Corn requires an effective number of panicles per 667 m2 to reach 4500-5000 panicles, 1000-grain weight over 300 g, and a single panicle yield of 210 g. The head of the KX7565, the main variety planted in our state, stands upright and is suitable for dense planting. The purpose of high yield can be achieved through shrinkage and expansion.
The row spacing of corn was reduced from 65 to 70 centimeters to 55 centimeters. Increasing the number of broadcasts was beneficial to the small four-wheel cultivator, sorghum and ditching; the spacing between the rows was reduced from 33 centimeters to 25 centimeters, and 2 to 3 on both sides of the plot. Row spacing can be set at 33 to 35 cm, leaving double seedlings per hole to increase the number of plants, and to use marginal benefits to increase yields.
To ensure that the whole seedling is the key to the high yield of corn. Because the land is uneven, the seeds are not uniform, the access is not allowed, the germination rate is not high, and line breakage and lack of seedlings often occur. It is difficult to guarantee complete seedlings. To make up the seedlings, use a small wooden saw to saw the dried sunflower seeds with a diameter of about 3 cm into 10 cm long sections, 200 per 667 square meters, empty the middle, and put them in the oil sunflower stalks on the day of field sowing. Into 5 cm wet soil, put 1 to 2 seeds, and then fill the soil, dig 10 cm deep and 25 cm wide in the middle of field sowing, the length depends on the number of seedlings, the seed oil Kwai Festival stood close to being buried flat. When Daejeon corn emerged, the corn in the oil sunflower festival also emerged at the same time. When it was found that Daejeon was in a row and was short of seedlings, the sunflower section was taken out of the transplanted seedlings and the seedlings were taken out of the transplanted seedlings. The time was as quick as possible. Pay attention to the growth of the oil from the corn roots. Festival is not easy to transplant. This method is simple and easy, no need to transfer seedling water, growth is consistent with Datian, ensure the whole seedlings, the effect is very good.
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