The content soil available N, P and K and soil bulk density of vineyard in Dough and kaleyard in Beichen were analyzed in order to enhance crop yield and quality.

　
英 美
  • 摘要為了提高作物的產(chǎn)量和品質(zhì)，做到配方施肥，采集了天津市東麗地區葡萄園和北辰區菜園土壤樣本，測定了土壤速效氮、速效磷、速效鉀的含量以及土壤容重。
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目錄 附錄 查詞歷史
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