Photosynthesis process of plants affected by soil moisture
Photosynthesis of plants refers to the process of absorbing sunlight and converting carbon dioxide, water, and inorganic salts into organic matter. Photosynthesis of plants is accomplished within chlorophyll, so the chlorophyll content directly affects the photosynthesis process of the plant. In addition, the photosynthesis process of plants is also affected by factors such as soil moisture and environmental temperature. Here we look specifically at how soil moisture affects plant photosynthesis.
In the vast northwest wind-sand area, due to the water deficit caused by year-round soil drought, direct (photosynthetic feedstock reduction) or indirect (stomatal closure, enzyme inactivation, etc.) lands affect photosynthesis decline, becoming the largest limiting factor for photosynthesis of trees. In addition, under the influence of strong light for a long period of time in the growing season, the trees produce photosynthetic inhibition and photosynthetic function, which also has an important effect on the photosynthesis of trees. From the relevant data, we found that drought stress can directly trigger the abnormality of photosynthetic apparatus, and also affect the activity of the enzymes involved in the dark reaction and the photosynthetic electron transport, thus the light energy conversion is hindered. The level of light energy conversion efficiency directly determines the level of photosynthesis in the leaves. Low light energy conversion efficiency is an important limiting factor for photosynthesis. Different plants, under the same drought stress, exhibit different adaptability. Some of them can effectively use low light and strong light for photosynthesis, and have strong ecological adaptability to light, and reflect to some extent The photosynthesis of plants is more adaptable to drought. It can be seen from the above that the drought resistance of plants is very important in most of the northwest region. We use Caragana korshinskii as a pioneer species to maintain a relatively high productivity of the forest land in dry beach areas and fixed sand areas with poor water conditions. In flowing sandy areas with slightly better water conditions, planting flower sticks and Yangchai can better exert their wind resistance. Sand-fixing effect, while sand-wood hoe is suitable for low-lying inter-land low-water conditions to maintain good growth.
Soil moisture is the decisive factor for soil drought and has always dominated our research. When conducting in-depth research on soil moisture, we usually use some scientific methods and laboratory instruments, such as multi-parameter soil measuring instrument and fixed point moisture monitoring system that are specially used for soil moisture determination. Among them, the fixed-point public opinion monitoring system uses the latest public opinion monitoring specification SL000-2005, and it can be configured flexibly according to the user's needs. A single system can implement up to 60 monitoring points to perform simultaneous six-point simultaneous detection. The fixed-point public opinion monitoring system also has the function of wireless transmission of data because the instrument contains a GSM/GPRS module. In addition, wireless public opinion and drought management systems are also used in soil monitoring instruments. The importance of soil moisture is evident, and a number of soil moisture measuring instruments driven by it make the study of soil moisture more convenient. We have reason to believe that with the aid of these scientific instruments, we will study the effects of soil moisture on photosynthesis more thoroughly.
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