The scientists found that global wheat production was 33m tonnes (5.5%) lower than it would have been without warming and maize production was 23m tonnes (3.8%) lower.
科学家发现全球实际产量与没有发生气候变化条件下的产量相比，小麦少了3300万吨（5.5％），玉米少了2300万吨（3.8％）。
US maize production had been expected to increase to record levels this year.
人们原本预料，今年美国玉米产量将打破历史最高纪录。
However, drought stress strongly restricts maize production in most arid and semi-arid areas.
但是，在干旱与半干旱地区，水资源短缺一直制约着玉米产量的进一步提高。
Drought is the most widespread abiotic constraints in maize production.
干旱是玉米生产的主要非生物限制因素。
Comparative analysis of the simulation results and the evaluation of climate change on maize production effects were conducted.
对模拟结果对比分析，评价了气候变化对玉米产量的影响效果。
It is very significant for maize production to transfer form material production to a combination of cropping, animal husbandry and proseccing.
玉米生产由原料型生产转变为种植、养殖、加工相结合的综合性生产具有重要意义。
Mechanized maize harvest is the Achilles heel in the completely mechanized maize production and it a major researched area in China's agricultural mechanization.
玉米收获机械化是玉米全程机械化的薄弱环节，也是目前我国农业机械化的主攻方向，各地正在积极采取措施以提高玉米机械化水平。
Drought is the most important abiotic factors limiting maize production. The effective approach to solve this problem is breeding and popularizing variety for drought tolerance.
干旱是影响玉米生产的最主要非生物胁迫因素，解决这一问题的有效策略是选育并推广抗旱性品种。
Tieling is a major maize production region for Liaoning province and for China. The labor involved in harvesting maize is almost the half of the total maize production labor input.
铁岭市是辽宁乃至全国重要的玉米生产基地，玉米收获环节的劳动量占玉米整个生产过程劳动量的一半以上。
The results presented in this study should not be regarded as predictions, but as plausible assessments of the potential impact effects of climate change on maize production in China.
本文提交的结果不是一种预测，应将其理解为就未来气候变化影响我国玉米生产所作的合理估计。
The comparative advantage of maize production in Jilin province was analyzed based on the sow area index, unit yield index, benefit index and comprehensive comparative advantage index in this study.
从播种面积指数、单产指数、效益指数以及综合比较优势指数的角度分析了吉林省玉米生产的比较优势。
The comparative advantage of maize production in Jilin province was analyzed based on the sow area index, unit yield index, benefit index and comprehensive comparative advantage index in this study.
从播种面积指数、单产指数、效益指数以及综合比较优势指数的角度分析了吉林省玉米生产的比较优势。
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