film uncovering and earth-up method 揭膜培土方式
Not uncovering plastic film 免揭地膜
In total N fertilizer utilization, the treatment of NH_4~+-N:NO_3~--N was 5:5 film uncovering was highest about 30.2%.
在总体肥料利用率中,铵态N:硝态N为5:5的不揭膜处理最高,达到30.2%。
·2,447,543篇论文数据，部分数据来源于NoteExpress
The farming measures of uncovering plastic film was able to reduce the loss of nutrients, so this fanning measures could promote tobacco yields.
揭膜培土处理相对不揭膜处理能减少各种养分的流失量，所以揭膜培土处理相比不揭膜处理能增加烤烟产量。
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