What is the relationship between Nitrogen fertilizer and crops? What are the symptoms of crop nitrogen deficiency? What happens if there is too much nitrogen in crops?
What role does Nitrogen fertilizer play in the process of crop growth?
Nitrogen fertilizer is one of the three elements of fertilizer and an indispensable nutrient element for crop growth and development. Nitrogen is the main component of protein, chlorophyll and enzymes in crops. When nitrogen is sufficient, the plant grows vigorously, the leaf color is dark green, the photosynthesis is strong, and the protein and carbohydrates in the crop are formed more, so the stems and leaves grow fast, the branches and leaves are luxuriant, and the yield is high.
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What do crops benefit from Nitrogen fertilizer?
When crops are deficient in nitrogen, the plant grows slowly, short, light green in leaf color, yellow in leaf color, the lower leaves turn yellow and die in advance, new leaves emerge slowly, the leaves are small, the total number of leaves is reduced, the stalks are short, tillering or branching The number is reduced, the root system is underdeveloped and slender, the maturity period is advanced, the grain weight or individual weight is reduced, and the yield is not high. When there is severe nitrogen deficiency, the new leaves will turn yellow and their growth will stop, resulting in death of the whole plant or severely reduced yield. Many crops will show symptoms when they are severely deficient in nitrogen.
Too much Nitrogen fertilizer?
The crops should not be deficient in nitrogen, but the nitrogen should not be too much. When too much, the stems and leaves will be elongated, the stalks will be soft, easy to fall, and maturity will be delayed. In the case of high cultivation density and excessive humidity, the plants are easy to canopy and affect ventilation. Transmitting light, causing rampant pests and diseases. For crops that harvest seeds and underground stems (roots), if the nitrogen content is too high, the yield will be drastically reduced or even lost.
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Therefore, crops cannot be deficient in nitrogen, nor can they be increased with nitrogen. In the process of crop planting, it is necessary to comprehensively consider factors such as soil fertility, fertilizer types, crop varieties, and weather conditions, and apply nitrogen fertilizer in a timely and appropriate amount to maximize the effect of nitrogen fertilizer in increasing production and income.