Autumn crop should cut down irrigation adequate. Spring crop should adjust irrigation with the growth and temperature increased.

秋茬可适当控水，春茬番茄随着植株的生长和温度升高及时调整灌水量。

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Under conventional till, crop response to spring soil water content was considerably greater than under zero till.

在常规耕作条件下，春季作物对土壤水份含量的响应要比免耕地大得多。

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Rivers and streams are drying up, crop yields are plummeting, and trees have begun to flower long before spring arrives.

河水和溪流日渐干涸，农作物产量急剧下降，离春天还远，树木就进入了花期。

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But gardeners will not get a crop during the first spring after planting.

VOA: special.2009.05.19

And it's from low-flying airplanes each spring that pilots sow the rice crop by tossing seeds from 900-kilo bags into the wind.

VOA: standard.2010.06.17

He used the patented soybeans for his main spring crop, but went to a local grain elevator and purchased so-called commodity seeds for a riskier, late-season crop.

CNN: STORY HIGHLIGHTS

Jeff Scates, a farmer in Southern Illinois, said about 75% of his family's farm was underwater last spring, and he didn't finish planting his corn crop until early June.

WSJ: Midwest's Dry Spell Threatens to Intensify

So this spring, as is the case every spring, global warming is allowing earlier planting seasons, spurring higher crop production, assisting forests, shrinking deserts, and reducing drought.

FORBES: Global Warmists Allergic To The Truth During Pollen Season