A Portable Method for Determining Nitrogen Efficiency of Woody Plants in the Field

A portable method for determining nitrogen efficiency of woody plants in the field. It includes the following steps: 1) Setting of nitrogen concentration gradient and blank control, 15N isotope labeled urea with 50% abundance; 3) Each plant is slowly watered along the base with 500-1000 mL of 15N la...

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Bibliographische Detailangaben
Hauptverfasser: HE Mengdi, WU Liyun, SHI Daliang, WANG Liyuan, JIANG Yanhua, CHENG Hao, WEI Kang, HAO Guoshuang, RUAN Li
Format: Patent
Sprache:eng
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