文章详细信息 关键词: GM(1,1)模型;;灰色系统;;棉花产量 [gap=529]Keywords: GM(1,1)model;Gray system;Cotton output
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石河子垦区气候变化与棉花产量的关系-湖北农业科学 关键词:气候变化;棉花产量;石河子垦区;线性回归 [gap=1325]Key words: climate change; yield of cotton; Shihezi region; linear regression
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粮食产量 Grain Yield *** *** *** *** *** 棉花产量 Cotton Yield *** *** *** *** *** 油料产量 Oil-bearing Crops Yield *** *** *** *** *** ..
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棉花气候产量 cotton climatic output
The results showed that the lower Min(mDT) induced by late sowing reduced cotton yield and fiber quality.
结果表明:由晚播造成的低温降低了棉花产量及纤维品质。
参考来源 - 不同温度下外施6Therefore,Metabolism GM(1,1) Model is used to forecast the cotton output of China in the year 2011,which is 614 968.3 thousand tons.
用新陈代谢GM(1,1)模型预测的我国2011年棉花产量为614.968 3万t。
参考来源 - 基于灰色新陈代谢模型的我国棉花产量预测·2,447,543篇论文数据,部分数据来源于NoteExpress
今年的棉花产量大大超过了去年。
This year's cotton production exceeds last year's by a big margin.
这里的棉花产量为全国之冠。
This area ranks first in the whole country for cotton output.
采用咸淡水交替灌溉可以降低土壤含盐量,增加棉花产量。
Irrigation with saltish and fresh alternatively can decrease soil salt content and increase cotton yield.
Or was it more the 1830s when you've got this booming cotton production happening finally in Alabama and Mississippi and Louisiana?
又或者是从18世纪30年代起,当阿拉巴马,密西西比和路易斯安那州,的棉花产量大范围高产时吗
It was affected by the major American depressions of 1837, 1857, but not as much as the North.
棉花产量只在两次美国经济大萧条时期,1837年57年受到影响,但损失远不及北方
The cotton crop nearly doubled every decade from 1820 to 1860.
从1820年到1860年,棉花的产量每十年就翻一倍
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