Irrigation system for cotton in arid desert region

Abstract

The invention discloses an irrigation system for cotton in an arid desert region and relates to the field of cotton planting and irrigation. The irrigation system comprises a drip irrigation zone, a photovoltaic panel and a draught fan, wherein mulching films are arrayed in the drip irrigation zone in an array; the drip irrigation zone is internally provided with a water capillary pipe and a water-soluble fertilizer capillary pipe; a side face of the water capillary pipe is provided with water drop pipes corresponding to the mulching films; the photovoltaic panel and the draught fan supply electric power to a first water pump, a second water pump, a water-soluble fertilizer preparation barrel, a rainwater collection device and an underground water collection device. According to the irrigation system disclosed by the invention, the electric energy is provided through utilizing photovoltaic power, wind power and valley power, and the electric energy is directly supplied to the underground water collection device, the rainwater collection device, the water pumps and the water-soluble fertilizer preparation barrel; the mulching films, the water capillary pipe, the water-soluble fertilizer capillary pipe, a water supply main pipeline and a water-soluble fertilizer supply main pipeline are paved in the drip irrigation zone of a cotton planting region, so that the problems in an existing cotton planting process that the moisture evaporation amount of ground surface soil is great, the supply of moisture and nutrients is not enough, agricultural water is not scientific, agricultural power utilization resources are lacked and the planting cost is high are solved.

Description

technical field [0001] The invention relates to the field of cotton planting irrigation, in particular to a cotton irrigation system in an arid desert area. Background technique [0002] Cotton is an important textile raw material in the world, a strategic resource, and plays a pivotal role in the national economy. my country is the largest producer of raw cotton as well as the largest consumer. The domestic demand for cotton is over 10 million tons. [0003] Cotton is a drought-resistant, saline-alkali-resistant, and thin-ridge-resistant crop with high stress resistance. It is considered to be a "pioneer crop" in the development and utilization of saline-alkaline dry land and desert. In the soil with a salinity below 0.3%, cotton can emerge and grow. In my country's Xinjiang, western Inner Mongolia, western Ningxia, western Gansu and other regions, there is sufficient sunlight and abundant light and heat resources, which are very suitable for the growth of cotton. Water i...

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Problems solved by technology

[0005] The present invention is a cotton irrigation system in arid desert area, which provides electric energy by using photovoltaic, wind power, and valley electricity, and the electric energy is directly supplied to groundwater collection devices, rainwater collection devices, water pumps, and water-soluble fertilizer preparation barrels, and the electric energy is used for drip irrigation belt irrigation. In the drip irrigation belt of the cotton planting area, the mulch film, water capillary pipe, water-soluble fertilizer pipe, water supply main pipe, and water-soluble fertilizer main pipe are laid to solve the problem of large surface soil water evaporation, insufficient water and nutrient supply, and problems in the existing cotton planting process. Unscientific agricultural water use, shortage of agricultural electricity resources, and high planting costs

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