牛粪配方中有机质含量与甜瓜产量呈显著的线性相关。

The organic content in the cattle manure prescriptions was remarkably correlated linearly with muskmelon yield.

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有机质含量，对均质坝不大于5%。

Organic matters must be no more than 5% in weight.

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该地区土壤有机质含量均很低，平均还不到1％。

This region is short of soil organic matter for the average value is less than 1%.

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