The leaf is an important photosynthesis and water gas exchange organ of Leymus chinensis. In the past, the role of the leaves of crops in the formation of yield and the photosynthetic productivity of crops were generally only noticed by plant physiologists. Since the concept of crop groups was proposed, research in this area has been valued by scientists in disciplines such as crop cultivation and genetic selection. The current leaf area index is often used as an important index to measure the growth status and optical utilization rate of communities and populations. The leaf area index is an important biological indicator of Leymus chinensis, and the leaf area index is determined using a handheld laser leaf area meter. Significance.
For a long time, the measurement of the leaf area of ​​Leymus chinensis has been arduous and complicated. All of these have limited the cultivation of Leymus chinensis pasture and cultivation. With the development of information technology, the application of hand-held laser leaf area meter has been applied to Leymus chinensis. The leaf area measurement provides a convenient, fast, and error-free measurement method, which effectively improves the precision and work efficiency of the determination of the leaf area of ​​the Leymus chinensis. It is very suitable for a large number of leaf area measurements.
At present, the application of hand-held laser leaf area meter in the determination of Leymus chinensis leaf area can quickly, accurately and simply determine the leaf area of ​​Leymus chinensis and has the function of real-time display and storage of measurement results, providing effective utilization of Leymus chinensis. Technical Support. It is of great significance to the development of grassland in Inner Mongolia and the Loess Plateau in China.
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