【Key words】 Chloris virgata； single salt stress； mixed salt stress； anion toxicity； nutrition stress； interaction； relaxation effect；
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When in nutrition stress, or there is little nutrition in soil, chlorophyll content of plants' leaves will vary, photosynthesis efficiency of them will lower, which will significantly influence the output.
植物受到营养胁迫,即当土壤养分过低时,叶片内的叶绿素含量变化,植物光合作用效率降低等影响产量的现象就会出现。
参考来源 - 基于计算机视觉的温室黄瓜幼苗营养无损监测研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以离体油菜子叶为材料，研究了营养胁迫诱导的子叶衰老过程中吲哚乙酸氧化酶（IAA氧化酶）和细胞分裂素氧化酶活性的变化。
The activities of IAA oxidase and cytokinin oxidase were studied during the senescence induced by inorganic nutrition deprivation using detached rape cotyledons.
拔节至抽穗期干旱胁迫极显著地降低冬小麦的氮素营养效率。
The drought stress from jointing to heading stage decreased nitrogen nutrition efficiency of winter wheat significantly.
本文通过田间与盆栽对比试验及室内分析相结合的方法，研究了大豆连作胁迫下锰营养的变化特征。
The kinetic characters of Mn nutrition stress caused by continuous cropping soybean were investigated by pot experiment, field experiments and chemical analysis.
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