Lodging is often linked to production cuts, because large areas of lodging affect the normal growth of plants, which naturally leads to reduced grain production. To solve the problem of plant lodging, we must find out the cause of plant lodging. Through summarization and analysis, we find that the main reasons for plant lodging are as follows:
1. Unreasonable planting density The planting density is large, the number of plants is large, and the ventilation is not good, which will cause large areas to fall.
2, root system is not developed Root system is not developed, then the plant's grip is not strong, encountering bad weather, naturally prone to lodging.
3, fertilization, irrigation is not reasonable Fertilizer is not the more the better, but should be appropriate, balanced, if the three elements of nitrogen, phosphorus, potassium improperly coupled, plant tissue development is not good, then the wind can easily cause lodging.
4, pests and diseases pests and diseases are also important factors causing lodging of plants such as corn, especially corn borer larvae and other drill-bit pests, hollowing stalks, destroying the transport organization, so that the stem tissue becomes weak or even rot, causing the stems to fall fold.
5, the variety selection is not good, the poor lodging capacity is also one of the important reasons for plant lodging, the varieties with poor lodging resistance, then the natural wind and rain resistance is weak, if planting such varieties, then it will be buried for later lodging Potential danger.
Therefore, in order to avoid plant lodging, agriculture now optimizes production management, and also improves crop lodging resistance from variety optimization. Screening breeding samples using plant lodgings , cultivating varieties, and breeding new varieties of high stalk strength for modern agricultural production through scientific breeding. Planting and producing such excellent crop varieties not only improves the crop's own ability to resist disasters, but also Greatly improved the output and quality of grain production.
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