How to prevent corn from sticking
One of the things that makes growers very troublesome is how to prevent corn from sticking. Today Xiaobian took everyone to know how to prevent corn from sticking
One, why corn does not stick
1, sporadic or linear planting, the probability of female flower pollination decreased (maize is the same plant of different flowers, male flowers in the female flower in the next pollination distance).
2. The critical period of water demand (one month before and after tasseling) encounters drought.
3. In the flowering period, a sustained high temperature above 35°C causes pollen and filaments to dry out and insemination cannot be completed.
4, pests and diseases.
5, the reason for the seeds.
Second, prevention and control measures
Maize heading and grain-filling period is a key period of management. Good management can greatly increase the output. Generally, the following management measures can be taken, which will have a multiplier effect.
1, irrigation drainage.
Jade blossom heading and flowering period is the period with the most water requirement in the whole growth period. At this time, the leaf area is the largest, the transpiration and photosynthesis are strong, the water requirement is large, and the water is very sensitive. In this period, if there is water shortage, the yield will be reduced. There is watering. The conditions of the plot should be timely irrigation watering. If there is more rainwater at the ripening stage of corn heading, the gutter drainage work should be done well to prevent the growth of yellow crops or diseases, which will hinder the grouting and seed settling. The grain will not be full, the baldness will increase, and the yield will be reduced.
2, soil fertilization
The cultivator can eliminate soil compaction, promote ventilation and warming, promote microbial activity, accelerate nutrient decomposition, promote root respiration and absorption, inhibit weeds and diseases and pests, enhance ventilation and light transmission, improve and regulate the microclimate in the field, and prevent premature aging. Good for early maturity.
3, remove tassels
Interlaced male corn is a simple and easy method. Interfering males is to remove nutrients from every row or a row of tassels at intervals of one row or every other row of maize when the tassels of the maize tassels have bare their top leaves. Give the ear, avoid the ear empty nutrient, can increase grain weight, generally can increase production 6%-10%. The detasseling time is usually from 9:00 am to 4:00 pm in sunny days when about one-quarter to one-third of the corn plants in Daejeon are heading.
4, remove no effect ear
Most of the hybrid corn varieties are single ear varieties. Except for the upper part of the plant, the second and third ears are late in development, and later on silking, they cannot be fertilized and fertilized. They are no effective panicles and need to consume large amounts of nutrients to be removed. In this way, the concentrated supply of nutrients to the main ears can be saved, and the spikes of the main ears can be increased, which not only can increase the grain weight and the quality of the corn, but also promote early maturing.
Good field management during heading and seedling stage will create good environmental conditions for pollination and fruiting of maize, root protection and leaf protection, increase photosynthetic efficiency, prevent premature decay, air defense rods, and prevent grain loss, increase grain weight, grain number, and effective panicle number. Achieve high yield targets.
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