Early warning method and device for over-quota water consumption of agricultural irrigation in plain river network rice irrigation area
The invention discloses an early warning method and device for over-quota water consumption of agricultural irrigation in a plain river network rice irrigation district, and the method comprises the steps: taking the monthly accumulated rainfall of an irrigation period as a statistical object, and a...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
11.11.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses an early warning method and device for over-quota water consumption of agricultural irrigation in a plain river network rice irrigation district, and the method comprises the steps: taking the monthly accumulated rainfall of an irrigation period as a statistical object, and analyzing a monthly rainfall value of the irrigation period of the irrigation district and a conversion parameter of the monthly rainfall value; distributing monthly water consumption indexes of the irrigation area according to the total agricultural irrigation water consumption index of the pump station irrigation area, the annual average crop water demand and total water demand in months corresponding to the rice growth period, and the annual average effective rainfall and total effective rainfall in months corresponding to the rice growth period; different early warning methods are adopted for different time periods in the growth cycle of the rice, specifically, from the irrigation period to before the heading an |
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Bibliography: | Application Number: CN202211247329 |