Corn will fall down
1 density is too large. Because the plant spacing, the spacing is too small, or the seedlings are not timely and insufficient, the plants are too crowded, the light in the group is weak, and the photosynthetic products are few, resulting in slender stems, reduced hardness and toughness, elevated ear position, and easy to occur in the event of a storm. Lodging.
2 improper fertilization method. If the bottom fertilizer does not apply potassium fertilizer, and the Nitrogen Fertilizer is too much, it will cause imbalance of corn nutrition, grow too fast, the stem is slender, and the mechanical strength of the base is poor, and it is easy to fall.
3 roots are underdeveloped. Due to insufficient phosphate fertilizer or poor soil preparation, the roots are shallow, and the secondary roots are underdeveloped. Once it is watered, it will easily fall under the wind or thunderstorm.
4 natural disasters. If the corn encounters severe weather such as storms and hail in the middle and late stages of the corn, it will easily cause lodging.
5 pests and diseases. Mainly corn borer, the larvae feed on the stems, causing holes, which have reduced resistance to external forces and often cause lodging.
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