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Application of soil moisture real-time monitoring system in sugarcane planting
The sugar cane industry in Zhenkang County, Yunnan Province is a pillar enterprise in the region. During the sugarcane planting process, it will be affected by some local climate soil factors, which will lead to the development of sugarcane production. The seedling rate of spring sugarcane and perennial sugarcane is low, and the growth period of sugarcane is long, and the growth of sugarcane is insufficient. Secondly, the soil cultivation layer is shallow and the nutrient is lacking, which further inhibits the growth of sugar cane. This is a major problem that has long plagued the local economic development. For soil moisture, it is the main factor for sugarcane growth. For this reason, the soil moisture real-time monitoring system can be used for effective monitoring and analysis.
The new planting sugarcane is the basis of the perennial sugarcane. The quality of the new planting sugarcane cultivation is directly related to the key to the high yield and stability of the perennial cane. The traditional farming method in Zhenkang sugarcane area is that no-tillage plow artificial open shallow planting ditch, generally only about 20cm deep. Due to the shallow planting ditch, the new planting sugar cane has a higher position, and the root water absorption fee is shallower. The yield is low, and the ginseng cane pocket of 2-3 years after the pre-planted sugarcane is harvested is quickly raised to the surface of the cultivated layer, and the yield of the perennial cane is rapidly decreasing.
From December to January, the soil water content is higher than 2-3 months, but the average temperature is only 12.2e, which is lower than the minimum temperature requirement for sugarcane germination. Low temperature is the primary factor restricting the germination of sugarcane buds. Under the new planting of sugarcane, the cane cane was planted with mulch before harvesting, and the soil moisture and temperature conditions that affected the growth of sugarcane buds were significantly improved. According to our measurements, the soil moisture content before the film is 28.10%, and the soil water content is maintained at 25.75% 10 days after the film is covered. The water content of the film is not reduced to 12.35%, and the soil temperature is increased by 2-5e. Through the mulching film to cover the effect of moisturizing and warming, the new sugarcane period can be as early as December to January, and the sugarcane can be used in the early season of the sugarcane in the early season. hair.
Through the application and analysis of the soil moisture real-time monitoring system, the comprehensive technology of three-high cultivation of sugarcane in dryland is a systematic project formed by the comprehensive complementary effect of individual technical measures. Selection of improved varieties, deep sloping soil, pest control is the basic measure for high-yield cultivation; new planting sugar cane early planting period, perennial sugarcane pocket before sugarcane early cut, can only be effectively increased through the use of plastic film mulching Effective stems prolong the yield increase advantage of single stem growth; rational close planting, NPK fertilizer application is an optimization and promotion program established by computer simulation under the conditions of high-yield cultivation, which is a guarantee for efficient cultivation. Therefore, as a system engineering application, all technologies must be implemented in order to achieve high-yield and high-efficiency cultivation.