With the development of science and technology agriculture, apple orchards also pay more and more attention to scientific management. As the important organs affecting the growth of fruit trees, it is necessary to carry out reasonable scientific control and use the leaf area detector to determine the leaf area index of apple trees. It can not only reflect the growth status of fruit trees in apple orchards, but also adopt reasonable measures to maintain the leaf area index of apple trees at a more appropriate level, thereby effectively promoting the growth of apple trees, increasing the utilization rate of nitrogen fertilizer, and increasing production and income. The goal.
In general, the yield of apple trees increases with the increase of leaf area index within a certain range. When the leaf area increases to a certain limit, the field is closed, the light is insufficient, and the photosynthetic efficiency is weakened, and the yield is decreased. Research shows that the maximum leaf area index of apple orchards generally does not exceed 5, and it can be maintained at 3-4. It can be seen that if apple orchards want to achieve high-efficiency production, it is not that the bigger the leaf area, the better, but that it should be controlled within a suitable range. The application of the leaf area detector can help us achieve the goal of precise regulation. Let apple trees obtain a higher growth rate, and effectively improve the economic and ecological benefits of apple orchard production.
At present, the first thing to consider when developing high-yield cultivation in the agricultural field is to obtain a suitable large leaf area index. The use of leaf area detectors for the determination of leaf area index, on the one hand, facilitates the development of relevant agricultural scientific research. On the other hand, it also has a positive effect on the development of actual agricultural efficient production. The results are used to guide the rationality. The control of apple orchard leaf area index has become one of the important technologies for the cultivation of high-yield cultivation in the agricultural field, and it is also an effective measure to realize the cost-effectiveness of agriculture. It is of great significance to reduce agricultural nitrogen fertilizer pollution, increase fertilizer utilization, ensure agricultural production, and increase production and income.
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