They constructed a sophisticated irrigation system that allowed them to grow wheat, barley, sorghum, date palms, and olives.

他们建造了非常复杂精密的灌溉系统，这让他们得以种植小麦、大麦、高梁、椰枣和橄榄。

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Disease incidence related closely with not only varieties and meterological condition, but cultivation practices such as irrigation, sowing date, sowing density, sowing method and so on.

发病程度除与品种、气象条件有关外，还与灌水，播种时期，密度，播种方法等栽培措施关系密切。

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The error between field test and forecast is satisfied. So this model can provide a practical and convenient way for forecasting irrigation quantity and date.

为今后膜下滴灌一膜一管模式灌水量与灌水时间提供了较为简便实用的模型。

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As most of India's agricultural land depends on rainfall rather than irrigation, variations in monsoon's arrival date can throw into disarray plans for sowing summer crops such as rice, sugar cane, cotton and oilseeds.

WSJ: Monsoon Rains Arrive Over India's Mainland