P fertilization increased N, P and K accumulation in tree biomass and nutrient use efficiency in wood and biomass production.
施P肥还增加了树木N、P和K的养分积累量，提高了上述养分的利用效率。
With the increase of wheat ploidies, nutrient use efficiency for biomass and that for grain yield all increased significantly.
随小麦的进化，生物量养分利用效率和产量养分利用效率均显著增加。
Thus, foliar nutrient resorption efficiency can reflect the ability of nutrient conservation, nutrient use efficiency and adaptation to nutrient-poor habitat of tre.
树木叶片的养分再吸收效率能够反映树木对养分保存、利用以及对养分贫瘠环境的适应能力。
Nutrient use efficiency for biomass and that for grain yield were all different significantly among wheat genotypes, but the differences of the latter were more significantly than those of the former.
小麦的生物量养分利用效率和产量养分利用效率都存在显著的种间差异，而且后者的差异更大。
Hybrid rices behaved of physiology advantage in nutrient uptake and use efficiency than that of inbred rice.
在养分的吸收和利用效率方面，杂交稻较常规稻表现出明显的生理优势。
Moreover, coniferous forests and those in high latitude zones have higher efficiency in nutrient use.
相比较而言，针叶林及高纬地区森林具有较高的养分利用效率。
Ameliorated root system was able to improve crop water use and nutrient absorption, and hence, crop yield and water use efficiency was increased.
施肥能够促进春小麦根系的生长发育，特别是促进浅层根量的增加，增强了作物的水分养分吸收。
The reasons of low use efficiency of fertilizer and serious pollution are the imbalance between fertilizer releasing nutrient and crop requirement.
化肥利用率低和污染严重的主要根源是因肥料释放的养分与作物需求间不平衡所致。
Zeolites application can increase fertilizer use efficiency and nutrient preserving capability of soil.
土壤施用沸石后，可以提高土壤保肥能力，活化土壤中难溶性磷，改良土壤结构。
Zeolites application can increase fertilizer use efficiency and nutrient preserving capability of soil.
土壤施用沸石后，可以提高土壤保肥能力，活化土壤中难溶性磷，改良土壤结构。
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