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By using a portable leaf area meter to measure the leaf area, the application of sulfur can significantly increase the size of the leaf area, and its effect is different at different growth stages. The leaf area at the seedling stage increases with the increase of sulfur application rate. Only when the sulphur fertilizer exceeds a certain level, it will have a significant effect on the leaf area. However, applying too much phosphorus fertilizer will affect the soil and the water body. Too much sulphur fertilizer can cause abnormal growth and metabolism of vegetable plants, with dark red or yellow leaves. The leaves have water stains and develop severe white necrotic spots.
Under the treatment of different sulphur fertilizers, chlorophyll content was used to measure the chlorophyll content in soybeans. It was found that the effect of sulphur fertilizer treatment on chlorophyll a, chlorophyll b and total chlorophyll content was consistent, that is, all indicators of sulphur treatment increased. And with the increase of sulfur application rate, with the growth period, the total chlorophyll a, chlorophyll b and total chlorophyll content in all growth stages after the flowering stage showed a significant increase with the increase of sulfur application.
Therefore, in the process of planting, sulfur fertilizer can be appropriately increased according to the different needs of the crop, but the amount of sulfur fertilizer applied must not be too much, so as to avoid excessive sulfur fertilizer affecting the position and the water body.
Effect of Sulphur Fertilizer on Leaf Area and Chlorophyll Content of Soybean
Effects of Sulfur Fertilizer on Leaf Area and Chlorophyll Content of Soybean Photosynthesis is an important physiological process affecting yield and quality, while leaf area and chlorophyll content are important indicators for measuring photosynthetic capacity. In the process of photosynthesis of plants, sulfur has some influence on the leaf area and chlorophyll content of plants. Sulfur forms chloroplast lamellae in a sulphite-like manner; it is an important component of ferredoxin in photosynthetic activity. Effect and electron oxide transfer in the reduction of the role of electron transfer. Does the increase or decrease in the sulfur content affect the plant leaf area and chlorophyll content?