• 文中在校准应用研究中采用田口方法,根据数字信号源的频率、调幅及调频试验典型值推导出全量程校准公式。

    The Taguchi method is studied to derive calibration formulae of frequency and amplitude modulation of digital signal generator in whole range in this paper.

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  • 利用流动分析仪测定了烟田土壤中的全氮、全磷。

    Total nitrogen and total phosphorus in tobacco field soil were determined with a Skalar flow analyzer.

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  • 秸秆还田增加了土壤全氮和无机氮含量。

    Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content.

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  • 土样检测发现正常棉叶田所采土样中全氮、全钾含量比红叶田土样减少34.7%和13.9%。

    Content of azote and kalium in the soil of normal field is 34.7% and 13.9% less than in red leaf field.

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  • 试验表明,秸秆还田对土壤速效钾、非交换钾的影响最大,对矿物钾和全钾的影响很小。

    The results showed that the effect of straw returning on available K and non-exchangeable K were more notable than mineral K and total K.

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  • 秸秆全量还田处理杂草数量显著少于无秸秆还田各处理。

    The population of weeds of straw returning was less than the treatment of no-straw returning by 228plant/m2.

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  • 秸秆还田增加了土壤全氮和无机氮含量。

    The amount of nitrogen needed will increase as yield increases.

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  • 丁奇,吴建富,李涛,等。稻草全量还田对双季水稻生长和土壤肥力的影响[J]。江西农业大学学报,2014,36 (1):44 - 49。

    Ding Q, Wu J f, li t, et al. The effect of total straw incorporation on rice growth and soil fertility [J]. Acta Agriculturae Universitatis Jiangxiensis, 2014, 36 (1) : 44-49.

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  • 如果全量秸秆还田结合冬季种植绿肥,土壤饱和固碳量则可以在稻田土壤现有碳储量的基础上平均提高65.77%。

    The saturated carbon storage of 100% straw combined with green manure incorporation was 65.77% higher than that of current carbon storage.

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  • 如果全量秸秆还田结合冬季种植绿肥,土壤饱和固碳量则可以在稻田土壤现有碳储量的基础上平均提高65.77%。

    The saturated carbon storage of 100% straw combined with green manure incorporation was 65.77% higher than that of current carbon storage.

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