• The unit area value of double cropping, row cropping was 1.76 and 1.35 times of sole cropping.

    复种、间作农田单位面积产值分别为单作一熟农田1.761.35

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  • Zhongmian 16 is a new cotton variety with higher and constant yield, which is suitable for cotton-wheat double cropping system.

    16适于麦熟的丰产、稳产夏播棉新品种。

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  • Tillage location test and its cooperative test in the wheat-maize double cropping field showed that the best time limit for applying disc plough was one or two years.

    小麦、玉米制农田上,进行法定配合试验,试验表明,耙茬少耕的有效年限1 ~2年。

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  • In the model, the leaf area index (LAI), crop coefficients, and root penetration and distribution were simulated for the winter wheat and summer corn double cropping system.

    模型冬小麦玉米轮作体系作物面积指数、作物系数根系生长分布进行了模拟。

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  • It was significant to study the nitrogen and phosphorus losses from surface runoff in double cropping rice filed for guiding the rational fertilizer and protecting water environment.

    研究双季稻田不同施肥量处理降雨径流损失规律,对于指导双季稻合理施肥保护环境具有重要的现实意义。

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  • We test the algorithm performance in the cases of single watermark, double watermarks and multi watermarks when different distortions such as JPEG compression, image resizing and cropping are applied.

    该文就水印水印以及水印情形进行了仿真并进行JPEG压缩图像缩放剪切失真测试

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  • We test the algorithm performance in the cases of single watermark, double watermarks and multi watermarks when different distortions such as JPEG compression, image resizing and cropping are applied.

    该文就水印水印以及水印情形进行了仿真并进行JPEG压缩图像缩放剪切失真测试

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