A new technology with irrigation and fertilization of agricultural. Aid of pressure system (or natural divide terrain), the soluble solid or liquid fertilizer, according to the soil nutrient content and crop fertilizer regularity and characteristics of species, with the fat of with irrigation water, through a controlled water supply pipeline system, supplying, the compatibility, water through the pipe and drop head form drip irrigation, uniform, regular, quantitative, infiltration area crop root growth and development, make the main root soil always stay loose and appropriate moisture content, at the same time according to different crop fertilizer characteristics, environment and soil nutrient content in soil; Crops in different growth phase water requirement, the different development stages of the fertilizer rule is the demand of design, the water and nutrient timing quantitative, provided directly in proportion to the crops. 

Suitable range
This technology is suitable for fixed water such as well and reservoir, reservoir, and good water quality, conform to the requirements of the micro-irrigation, and has set up a construction or conditional microspray irrigation facilities area popularization and application. Is mainly used in the facility agriculture cultivation, orchard cultivation and field crops such as cotton cultivation, and the economic benefit is good to other crops. 

Summary of advantages
The advantages of the technology applied is fertigation quickly, improve nutrient utilization. Can avoid the fertilizer is applied in the dry topsoil easy cause the volatilization loss, slow dissolve, applied eventually play slow; Especially to avoid the ammonium and urea nitrogen fertilizer volatilization loss problem in the earth's surface, the nitrogen is saved and is conducive to environmental protection. So the cucumber in technology makes the fertilizer utilization ratio increased significantly. According to the south China agricultural university professor cheng-lin zhang study, fertigation system than the conventional fertilization fertilizer saving 50% ~ 50%; At the same time, greatly reduces the facilities in the vegetable and fruit orchards water pollution problems caused by excessive fertilizer application. Because of cucumber in technology by artificial quantitative control, meet the crops in key growth period "need" satiated with food and wine, put an end to any deficiency symptoms, so on the production to crop yield and quality are good. 

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