Owing to the difference of soil water in the farm, variable rate irrigation can save water as well as raising economy benefit.
依据农田内土壤含水量的差异性，有针对性地进行变量灌溉，既可节约用水又可提高经济效益。
According to the differences of soil water potential in the farmland, variable irrigation can save water as well as raise economic benefit.
依据农田内土壤含水率的差异性，有针对性地进行变量灌溉，既可节约用水又可提高经济效益。
So, all of us should actively take actions to save water. It's our obligation for the benefit of thefuture generations.
所以，我们都应该积极采取措施节约用水，这关系到我们未来几代人和权益和义务。
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