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Bài báo - Tạp chí
54 (4B) (2016) Trang: 107-113
Tạp chí: Journal of Science and Technology

Shallot is one of the main crops in Vinh Chau district, Soc Trang province where farming techniques are still simply and mainly based on traditional irrigation types. In the district, groundwater is the main water source for daily uses of the local and farming activities. However, this water source increasingly becomes scarity due to over-exploitations. Therefore, this study aims to save water in agricultural production by applying automatic sprinkling irrigation model (Sprinklers system) in shallot farming and Vinh Chau district is selected as the research site. In this study, the amount of irrigation water for Shallot will be determined by CropWat model and the irrigation time will be measured by a soil moisture device (Takemura DM -15). The results show that the automatic sprinkling system model has saved by 43 - 59 % water amount and 85- 91 % time of irrigation per 1000 m2 compared to traditional irrigation methods. The input costs of automatic sprinkling system are estimated at about 8 million VND/1000 m2 and it can be applied for many types of plants with its span of 4 years (depending on users’ uses). In conclusion, the automatic sprinkling irrigation model can alter traditional methods of famers in order to improve productivity, reduce negative impacts on groundwater source, and to adapt to water shortage due to climate change impacts.

 

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