Rooftop Packaged Unit for rent is popular in the market, its advantage as bleow:
1. Saving purchasement cost: 0 cost purchase, which will alleviate capital flow pressure effectively.
4. Province, total cost: provincial purchase fee + province 30%-50% electricity fee + provincial maintenance premium VS air-conditioning rent
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The leaf area scanner adopts the leaf area meter method, which is the direct use of the instrument to measure the leaf area. Actually, the method of measuring the leaf area is not the only one. Others include the grid cross method and copy weighing. Laws, rulers, etc., but these measurement methods will have more or less defects, while the use of leaf area scanners to carry out leaf area measurement, although there are certain shortcomings, but this measurement method is simple, fast, and can accurately estimate the leaf Area, therefore more in line with the actual needs of modern agricultural measurement.
In addition, the advantage of leaf area scanners in leaf area measurement is that it is based on the non-destructive determination of plants and therefore does not have a destructive effect on plant growth. Other methods are based on the destruction of plants. In addition, there are other major flaws in other aspects. For example, although the grid crossover method is relatively accurate, it takes a lot of labor, and the measurement accuracy of irregularly shaped blades will be greatly reduced, and even impossible to measure. Complex leaves of plants such as celery and clover are also affected by human factors when counting. Although the weighing and copying method is simple and convenient, the accuracy of irregularly shaped leaves will also be reduced, and it will not be suitable for the measurement of the seedling stage and the leaf area of ​​plants with smaller leaves, and its accuracy is also easily affected by human factors. Due to the uniformity of the paper and the performance of the copier, the leaf area scanner is used to measure the leaf area. The leaf area can be quickly determined. It is simple and easy to operate. It is most suitable in the current research work.
2. Saving maintenance cost: free maintenance during the rental period, saving all maintenance
3. Saving space: the rental Rooftop Packaged Air Conditioner will be back to owner after finished rental.
What are the advantages of leaf area scanners in carrying out leaf area measurements?
As the main organs of photosynthesis and transpiration of plants, leaf size is a key consideration in physiological, biochemical, genetic, breeding and crop cultivation research. With the rapid development of science and technology and computer hardware costs, The decline of agricultural inspection instruments represented by leaf area scanners has been applied in modern agricultural research and has achieved good results.