From the time of planting and harvesting, wheat has to go through half a year's time. It has to cross the entire winter and spring and enter the harvest season at the beginning of summer. In different seasons and at different stages of wheat growth, different natural disasters may be encountered. Therefore, prevention and reduction of disasters and ensuring the quality of wheat are crucial for increasing production and income. Experts suggest that farmers should achieve “three defenses†during wheat growth:
A cold-freezing injury. The early winter wheat growth will experience cold winter rain and snow. Moderate low temperature rain and snow is very beneficial for freezing dead insects, loosening soil, increasing natural nutrients, and enhancing wheat cold resistance. However, if the temperature continues to be low, it will become a disaster and different disaster prevention measures must be taken. The recovery of production in the southwestern and lower reaches of the Yangtze River after rain, snow and freeze damage was mainly due to drainage and waterlogging. In the northwestern and Huanghuai south wheat areas, the emphasis was on warming and protecting the soil and promoting the promotion of seedlings.
Two pests and weeds. Diseases, pests and weeds not only result in reduced production, but also decrease in quality. If the number of diseased grains exceeds the standard, the price will be deducted or even acquired. Therefore, the prevention of pests and diseases is the key to increase production and income. In particular, the humidity of wheat fields in southern China is relatively large, and wheat pests and weeds and waterlogging in wheat fields often occur. It is necessary to formulate prevention and control plans, do a good job in forecasting, and strengthen rule and defense.
Three defenses against late-stage disasters. In the middle and late stages of wheat growth, winds, dry hot winds and rotten field rains are the most dangerous. Dry hot air damages the awns, ears, leaves and stems of wheat plants. The grains dried up, and the weight of grains dropped. To increase organic fertilizer and phosphate fertilizer, deepen the tillage layer, select early maturing varieties with strong resistance, use seed dressing with drought-resistant agents, and do a good job in the later period of “one spray and three defensesâ€.
Wheat is approaching harvest and it is also a season with more rain. The timely removal of rainwater not only reduced the yield of wheat by waterlogging, but also reduced the quality of wheat. Harvesting or threshing is not timely, it may sprout, reducing the quality of wheat. In this period, in addition to doing a clean ditch, we must pay attention to timely harvest, as far as possible machine harvest. Manual harvesting, whether using alum or mechanical threshing, will cause damaged grains, resulting in "imperfect grains." If an imperfect grain exceeds the standard, the price will be deducted.
A cold-freezing injury. The early winter wheat growth will experience cold winter rain and snow. Moderate low temperature rain and snow is very beneficial for freezing dead insects, loosening soil, increasing natural nutrients, and enhancing wheat cold resistance. However, if the temperature continues to be low, it will become a disaster and different disaster prevention measures must be taken. The recovery of production in the southwestern and lower reaches of the Yangtze River after rain, snow and freeze damage was mainly due to drainage and waterlogging. In the northwestern and Huanghuai south wheat areas, the emphasis was on warming and protecting the soil and promoting the promotion of seedlings.
Two pests and weeds. Diseases, pests and weeds not only result in reduced production, but also decrease in quality. If the number of diseased grains exceeds the standard, the price will be deducted or even acquired. Therefore, the prevention of pests and diseases is the key to increase production and income. In particular, the humidity of wheat fields in southern China is relatively large, and wheat pests and weeds and waterlogging in wheat fields often occur. It is necessary to formulate prevention and control plans, do a good job in forecasting, and strengthen rule and defense.
Three defenses against late-stage disasters. In the middle and late stages of wheat growth, winds, dry hot winds and rotten field rains are the most dangerous. Dry hot air damages the awns, ears, leaves and stems of wheat plants. The grains dried up, and the weight of grains dropped. To increase organic fertilizer and phosphate fertilizer, deepen the tillage layer, select early maturing varieties with strong resistance, use seed dressing with drought-resistant agents, and do a good job in the later period of “one spray and three defensesâ€.
Wheat is approaching harvest and it is also a season with more rain. The timely removal of rainwater not only reduced the yield of wheat by waterlogging, but also reduced the quality of wheat. Harvesting or threshing is not timely, it may sprout, reducing the quality of wheat. In this period, in addition to doing a clean ditch, we must pay attention to timely harvest, as far as possible machine harvest. Manual harvesting, whether using alum or mechanical threshing, will cause damaged grains, resulting in "imperfect grains." If an imperfect grain exceeds the standard, the price will be deducted.
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