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Irrigation method and device based on crop growth cycle water use features

A crop growth and irrigation device technology, applied in the field of agricultural irrigation, can solve the problems of large water demand, inability to meet precise crop water demand, poor irrigation effect, etc., and achieve the effect of increasing yield

Active Publication Date: 2019-07-23
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Due to the different water requirements of crops in different growth periods, each time quantitative irrigation is used, there will be problems such as too much water irrigation in a certain period and water waste, and a large water demand in a certain growth period and insufficient irrigation, that is, the existing water output of sprinkler irrigation and micro-irrigation It cannot meet the water demand of each growth cycle of precise crops, and the irrigation effect is poor

Method used

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  • Irrigation method and device based on crop growth cycle water use features
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  • Irrigation method and device based on crop growth cycle water use features

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Embodiment Construction

[0037] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0038] refer to figure 1 , figure 1 A flowchart showing an irrigation method based on crop growth cycle water usage characteristics and real-time weather; as figure 1 As shown, the irrigation method S includes steps S1 to S16.

[0039] In step S1, receive the water content uploaded by several soil moisture sensors buried in the set depth in the field soil, and calculate the average of the water content of all soil moistur...

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Abstract

The invention discloses an irrigation method and device based on crop growth cycle water use features. The irrigation method is characterized in that whether crops are short of water or not in the growth process is judged according to actually measured soil water content, the water demand of the current growth stage of the crops and the rainfall of the coming day, the actual water demand of the crops is calculated if the crops are short of water, a water pump is started in a self-adaptation manner to supply water for the crops according to the relation between the reserve of a reservoir and the actual water demand, and management staff are notified when the reserve of the reservoir is insufficient. By using the method to water the crops, each growth stage the crops can have sufficient water to achieve the optimal growth state of the crops so as to finally increase the yield of the crops, and the safety of a water pump can be guaranteed at the same time.

Description

technical field [0001] The invention relates to agricultural irrigation technology, in particular to an irrigation method and device based on water characteristics of crop growth cycle and real-time weather. Background technique [0002] Water plays an important role in the growth of crops. However, for each growth period of different crops, there are large differences in their water requirements, and the external rainfall only accounts for the required water in the entire crop growth cycle. About a quarter. [0003] At present, when watering crops in China, there are mainly sprinkler irrigation and micro-irrigation (drip irrigation, micro-spray irrigation, small tube outflow irrigation and seepage irrigation), and these two irrigation methods are generally opened manually according to the weather conditions for irrigation, or set to Every set time, automatically start the irrigation equipment for pouring. [0004] Due to the different water requirements of crops in differ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G25/02A01G25/16
CPCA01G25/023A01G25/16A01G25/02A01G25/167G06Q50/06
Inventor 张宝忠陈鹤杜丽娟魏征彭致功蔡甲冰
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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