Oil World also cut its old crop estimate following indications that Brazilian crushers cannot find enough soybeans to cover their needs.

有迹象表明，巴西压榨企业将无法获得足以满足需求的大豆，据此，油世界下调了老茬大豆产量预测。

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The method could also be used to estimate other crop irrigation quota.

该文推算苜蓿灌溉定额的方法也可用于其它作物灌溉用水定额的估算。

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Remote sensing technology is macroscopical, precise and dynamical. Its application in the estimate to the production of crop is a hot field in remote sensing and agriculture.

现代卫星遥感技术具有宏观、快速、准确、动态的优点，目前已成功应用于农作物产量估算，成为卫星遥感与农业交叉领域的研究热点。

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The USDA cut its estimate of Argentina's corn crop by 6% to 23.5 million metric tons.

WSJ: Grain Prices Soar as U.S. Slashes Outlook

The USDA again raised its estimate of how much of that crop will be consumed by the ethanol fuel industry, which enjoys extensive government incentives, to 4.9 billion bushels, up 100 million bushels from its December estimate.

WSJ: Grain Prices Soar as U.S. Slashes Outlook