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关注：1
2013-05-23 12:21
求翻译：棉花种植前和收获后相比，稻草覆盖能够明显增加土壤有机质、全氮、全磷、全钾和速效钾的含量，是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
棉花种植前和收获后相比，稻草覆盖能够明显增加土壤有机质、全氮、全磷、全钾和速效钾的含量，
问题补充： |
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2013-05-23 12:21:38
Cotton compared to pre-and post-harvest, straw mulching can significantly increase soil organic matter, total nitrogen, total phosphorus, total potassium and available potassium content,
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2013-05-23 12:23:18
cotton cultivation, compared with pre- and post-harvest rice straw can significantly increase soil organic matter coverage throughout the nitrogen, phosphorus, potassium and potassium, all the content.
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2013-05-23 12:24:58
Before after the cotton planter and the harvest compares, the straw cover can increase the soil ulmin, the entire nitrogen, the entire phosphorus, the entire potassium and the fast-acting potassium content obviously,
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2013-05-23 12:26:38
Before planting and after harvest of cotton compared to straw mulch can significantly increase soil organic matter, total nitrogen, total phosphorus and total content of potassium and available potassium,
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2013-05-23 12:28:18
Before planting and after harvest of cotton compared to straw mulch can significantly increase soil organic matter, total nitrogen, total phosphorus and total content of potassium and available potassium,
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