Discussion on the effect of external fertilization on crop yield
The effect of external fertilization on the yield of crops is also known. The fertilization of roots is also the fertilization method of foliar fertilizer. It is a fertilization method that has been gradually promoted in recent years. It can quickly and efficiently supplement crops to different medium nutrients. The needs of the elements. It is more convenient to use the external fertilization, and the effect is significantly improved compared with the ordinary fertilization method, which can save the amount of fertilizer used, and also has certain help for improving the quality of crops.
When do you choose to apply fertilizer outside the roots? In the process of crop planting, if you encounter a crop that lacks a certain element, continue to use the traditional method of fertilization, which is obviously too late. At this time, using foliar fertilization can make up the deficiency. Hey, the target is extremely strong, and the fertilizer efficiency is much faster than the soil application. The symptoms of deficiency can be quickly relieved.
The absorption of nutrients by crops is also divided into time periods. In the middle and late stages of crop growth, due to the aging of roots, the absorption capacity of roots is gradually reduced, and the ability to absorb fertilizer is reduced. At this stage, the effect of using the external top dressing is generally good, and it can effectively compensate for the lack of nutrients absorbed by the roots. It is recommended that you can do some experiments in the following crops: rice, wheat, corn and other cereal crops in the booting, flowering, and filling stages; soybeans, peanuts, broad beans, kidney beans and other legumes are significant in flowering and pod-forming stages. Increase production results.
The soil environment has a great influence on crop growth and absorption efficiency. If the soil moisture is too much or too little, the soil is too acidic or too alkaline, which will cause the crop roots to absorb nutrients. At this time, it is difficult to meet the demand of crops by applying fertilizer. If root fertilization is used, the nutrition of crops can be quickly supplemented to meet the absorption of fertilizer by crops.
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