玉米秸秆还田可以培肥地力，平衡土壤养分。
Corn straws as fertilizers may make the soil fertile and balance the nutrients.
结果表明：与NPK处理比较，玉米秸秆还田配施低量N肥没有显著促进黑土有机碳的积累。
The results showed that maize straw returning field combined low amount N did not promote the accumulation of organic carbon significantly, as compared with NPK treatment.
本文分析了山东省昌邑市玉米秸秆还田机械化技术推而不广的原因，提出了六个方面的应对措施。
This paper analyzed the reasons of that why didn't popularize mechanization technique of maize straw giving back farmland in large area in Shandong Changyi, put forward six sides of measure.
探讨了小麦秸秆还田优化施氮、传统施氮等处理对夏玉米的株高、节根、叶面积、茎粗以及叶绿素含量等的影响；
We discussed the effects of different managements on height of summer maize, number of nodal root, leaf area, plant stem width and chlorophyll content etc.
分析了山东省定陶县玉米收获机械化、秸秆还田以及保护性耕作的现状与问题，探讨了农机推广工作发展趋向。
Taking the economics theory as guiding ideology, the paper mainly analyses on the development of corn harvest mechanization in Hebei province.
研究了不同秸秆还田量对免耕黑土速效养分含量和玉米产量的影响。
In this study, the effects of different amounts of residue incorporation on the contents of soil available nutrients and corn yields were examined under no-till practices.
研究了不同秸秆还田量对免耕黑土速效养分含量和玉米产量的影响。
In this study, the effects of different amounts of residue incorporation on the contents of soil available nutrients and corn yields were examined under no-till practices.
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