Soil Moisture Analyzer Used to Analyze Water Utilization of Winter Wheat
2021-09-06 03:04:08
During the period after winter wheat sowing, and during the period before harvest, the amount of water consumed by winter wheat was small, but the amount of precipitation was large, and the soil water content was increased by the soil moisture meter. The period of large winter wheat water demand was just in the low rainfall season. Therefore, To understand the actual utilization of soil moisture in winter wheat, it is necessary to analyze the state of soil moisture when the degree of soil water use is greatest during the period from the jointing to the flowering of winter wheat.
The dynamic change of water storage in 0~150cm soil layer under different treatments from the beginning of jointing to the time of harvesting, and the soil water storage capacity is actually the remaining amount after the crop is used. The instrument can reflect the ability of winter wheat to utilize soil moisture. During the period between jointing and filling of winter wheat, the water storage was the lowest, and the winter wheat had the strongest ability to use the soil moisture.
The soil water content showed a lowest point. The soil moisture content under the fertilization treatment was lower than the control soil moisture content, indicating that fertilization increased the ability of winter wheat to utilize soil moisture. According to different treatment soil moisture tester to measure the maximum degree of soil water use (determined by the soil moisture dynamics) according to 0 ~ 150cm cumulative soil water storage capacity calculated 0 ~ 150cm soil moisture coefficient in winter wheat soil.
Analysis of Soil Moisture Analyzers Soil moisture utilization depth of up to 3â„4m in winter wheat can be measured. Under the experimental conditions of soil moisture tester, the cross-sectional distribution of average soil water content in winter wheat during the three production seasons, when the soil moisture content was lowest during the growing period and when harvested, it can be seen that the use of soil moisture in winter wheat under the experimental conditions is mainly Within 1・5m.
The dynamic change of water storage in 0~150cm soil layer under different treatments from the beginning of jointing to the time of harvesting, and the soil water storage capacity is actually the remaining amount after the crop is used. The instrument can reflect the ability of winter wheat to utilize soil moisture. During the period between jointing and filling of winter wheat, the water storage was the lowest, and the winter wheat had the strongest ability to use the soil moisture.
The soil water content showed a lowest point. The soil moisture content under the fertilization treatment was lower than the control soil moisture content, indicating that fertilization increased the ability of winter wheat to utilize soil moisture. According to different treatment soil moisture tester to measure the maximum degree of soil water use (determined by the soil moisture dynamics) according to 0 ~ 150cm cumulative soil water storage capacity calculated 0 ~ 150cm soil moisture coefficient in winter wheat soil.
Analysis of Soil Moisture Analyzers Soil moisture utilization depth of up to 3â„4m in winter wheat can be measured. Under the experimental conditions of soil moisture tester, the cross-sectional distribution of average soil water content in winter wheat during the three production seasons, when the soil moisture content was lowest during the growing period and when harvested, it can be seen that the use of soil moisture in winter wheat under the experimental conditions is mainly Within 1・5m.
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