The best choice for tree nutrient diagnosis and scientific fertilization – The chlorophyll meter has caused the continuous increase in demand for wood due to the early economic recovery and development, the reduction of fertilizer costs, the short rotation time and the use of intensive management techniques such as full tree utilization, making Forest fertilization has become an indispensable basic technical measure for the establishment of fast-growing and high-yielding plantations. Analysis of leaf leaves Forest nutrients need to be the result of lagging economic development in the past decade. The main representative is the portable chlorophyll meter. The use of chlorophyll meter for tree nutrient diagnosis has become an important means to guide tree fertilization. Surveillance methods have been used since their initial use, and are recognized as more mature methods.
Because of its long-period nature, forest trees have a more profound content and meaning than their crop counterparts. Not only do they change with forest species, yield levels, harvesting systems, soil types, fertilization methods, fertilizer levels, management levels, and climatic factors. Different, and change with time and space, under different conditions have different balance systems. Therefore, in order to realize balanced fertilization of forest trees, it is necessary to understand that the maximum yield of forest trees is the maximum value of nutrients required, as well as the potential existence of limiting factors, and the measurement and analysis of the chlorophyll content of plant leaves by chlorophyll meter can help. We conduct reasonable guidance on the amount of nitrogen fertilizer application. Nitrogen is one of the necessary elements in the growth process of forest trees. Using the chlorophyll meter is very helpful in judging the shortage of nitrogen in forest trees. It is found through experiments that the use of chlorophyll meter is used as a guide. Fertilization can help to reduce nitrogen fertilizer use by 10%, while ensuring that crop yields do not decrease.
There are many methods for measuring the nutrient requirements of forest trees, including the diagnosis of plant appearance symptoms, soil nutrient analysis, biological cultivation test, and analysis of plant tissue analysis methods. However, the SPAD502 chlorophyll meter is not the fastest and most simple method used in many methods. This method is many times faster than conventional methods, ensuring measurement accuracy while minimizing time and human waste.
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