Development in sprinkler irrigation technology in China<sup>*</sup>

Yan, Haijun; Hui, Xin; Li, Maona; Xu, Yuncheng

doi:10.1002/ird.2435

Cited by 54 publications

(33 citation statements)

References 15 publications

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“…In sprinkler, also known as overhead irrigation, where water is piped to one or many central locations inside the cultivable land and distributed by overhead high-pressure sprinklers or guns [14,15]. The use of sprinklers, sprays, or guns on permanently installed risers is commonly referred to as a "solid-set" irrigation method.…”

Section: Sprinkler Irrigationmentioning

confidence: 99%

Gravity Fed Micro Irrigation System for Small Landholders and Its Impact on Livelihood - A Review

Sherpa

Patle

Rao

2021

IJECC

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Worldwide pressurized micro irrigation technologies have remarkably shown its effectiveness in water saving and increasing the crop yield with several other benefits. Although among the small land holder farmers, adoption of pressurized micro irrigation system is minimal mainly due to the small land holding and more system cost. Gravity micro irrigation is one of the best alternatives for the small land holder farmers with almost all benefits derived by the pressurized micro irrigation. Gravity fed drip irrigation has enormous capability for water and nutrient conservation. This review paper explains design, layout, features of gravity fed micro irrigation system, its suitability and benefits to the small farmers for achieving more yield per drop of water. The comprehensive attempt in the current review analysis is to enhance a most favourable methodology and technology to magnify and intensify the operation of gravity fed drip irrigation system in extensive cultivation and production. Further to accomplish the efficient utilization of available water resources for growing horticultural crops in hilly region of India, gravity-fed micro irrigation should be integrated with water harvesting system.

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Section: Sprinkler Irrigationmentioning

confidence: 99%

Gravity Fed Micro Irrigation System for Small Landholders and Its Impact on Livelihood - A Review

Sherpa

Patle

Rao

2021

IJECC

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“…Among the common types of sprinkler irrigation systems, the center pivot irrigation system offers several advantages, such as a high degree of automation, high water application efficiency, and reduced environmental pollution [16,17]. Due to these factors, including the development of scaled agricultural production and land use intensification in China, the application of center pivot irrigation systems has been increasingly popularized [18,19]. Therefore, it is necessary to determine the most suitable irrigation amount, timing, and their impacts on wheat growth and yield using center pivots under dry-hot wind conditions.…”

Section: Introductionmentioning

confidence: 99%

Optimizing Center Pivot Irrigation to Regulate Field Microclimate and Wheat Physiology under Dry-Hot Wind Conditions in the North China Plain

Cai

Shoukat

Zheng

et al. 2022

Water

Self Cite

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The dry-hot wind climate is one of the major agro-meteorological disasters associated with high temperature, low humidity, and specific wind forces, which seriously affects the yield of wheat in the North China Plain. A field experiment was conducted to investigate the field microclimate, net photosynthetic rate, chlorophyll content of flag leaves, grain filling rate, and wheat yield after sprinkler misting under the condition of a dry-hot wind climate in the 2018 and 2019 seasons. Two travel speeds, full and half speed, and the corresponding irrigation amounts of 2.5 and 5 mm were used by a center pivot irrigation system during dry-hot wind conditions. A treatment without irrigation was applied as a control. The results showed that the air temperature and relative air humidity were greatly improved within 60 min after irrigation, especially in the upper part of the canopy. The net photosynthetic rate of flag leaves under 5 mm irrigation was higher than that under 2.5 mm irrigation during the middle and late grain filling periods. The adverse effects of dry-hot wind on the chlorophyll content of the flag leaves were mainly concentrated in the late grain filling stage. In the two years of the experiment, the average 1000-grain weights of 5 and 2.5 mm of irrigation treatments were 4.3 and 2.8% higher, and the grain yields were 5.8 and 3.3% higher, respectively, than those of the non-irrigated yields. Overall, applying a small amount of water between 12:00–14:00 with a center pivot before the occurrence of dry-hot wind is an effective means to regulate the field microclimate and produce more yield in the North China Plain.

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“…Water accounts for around 35 million km 3 of the entire volume, or 2.5% volume (Aguiar, 2012). In most parts of worldwide, traditional surface flood irrigation is widely practiced, resulting in low efficiency and significant loss of water resources (Yan et al, 2020). Because of the growing awareness of worldwide water, the governments have designated the development of water-saving irrigation as a core national policy.…”

Section: Introductionmentioning

confidence: 99%

Field evaluation of a prototype self-drawn sprinkler irrigation

Rayan

Ismail²,

Mahmoud³

et al. 2022

Archives of Agriculture Sciences Journal

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In Egypt, surface irrigation methods are commonly used to grow crops to meet the demand of the ever-increasing population. A big share of water is lost in agriculture during conventional means of irrigation. A sprinkler is one of the methods of irrigation water applications that can bring more efficiency. The main aim of this research was to field evaluation of a prototype self-drawn sprinkler irrigation to fit the conditions of the Egyptian agriculture. The field experiments were conducted in Aswan University Stadium, Egypt. The sprinkler was tested by using a nozzle that has rated discharge of 11.3 m 3 /h under three forward speed 0.02, 0.03 and 0.04 km/hr. The results indicated that the percentage increase in moisture content was 43, 32 and 24% for travel speeds S1, S2 and S3, respectively. The uniformity and distribution coefficients as well as depth of water application were lower at the end, the highest a nd lowest values of Cu were 72.45 % and 56.16% and the highest and lowest values of Du were 60.40% and 40.66 % for nozzle for different speeds, the throw range 48 m for nozzle 12 mm at 4 bars. Non-uniform water application leads to over or under irrigation in various parts of the field which can result in wasted water and energy.

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Development in sprinkler irrigation technology in China^*

Cited by 54 publications

References 15 publications

Gravity Fed Micro Irrigation System for Small Landholders and Its Impact on Livelihood - A Review

Gravity Fed Micro Irrigation System for Small Landholders and Its Impact on Livelihood - A Review

Optimizing Center Pivot Irrigation to Regulate Field Microclimate and Wheat Physiology under Dry-Hot Wind Conditions in the North China Plain

Field evaluation of a prototype self-drawn sprinkler irrigation

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Development in sprinkler irrigation technology in China*

Cited by 54 publications

References 15 publications

Gravity Fed Micro Irrigation System for Small Landholders and Its Impact on Livelihood - A Review

Gravity Fed Micro Irrigation System for Small Landholders and Its Impact on Livelihood - A Review

Optimizing Center Pivot Irrigation to Regulate Field Microclimate and Wheat Physiology under Dry-Hot Wind Conditions in the North China Plain

Field evaluation of a prototype self-drawn sprinkler irrigation

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Product

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Development in sprinkler irrigation technology in China^*