The crop output this year is equal to that of last year.
今年大田作物的产量与去年持平.
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I've heard that the greenhouse effect will reduce crop output.
听说温室效应会导致农作物减产.
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Can resist droughts water and nutrition , improve soil water and fertilizer increase crop output.
能保水抗旱、提高水肥利用率 、 改良土壤、提高作物产量.
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Technological advancement causes increase in crop output , agricultural production value, and agriculture productivity.
农业科技的进步又促进农业总产值 、 农业结构 、 农作物产量及农业生产率的提高.
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