In addition, the upper layers of the rainforest in Brazil are thought to derive much of their nutrient supply from dust transported across the Atlantic from the Sahara.
此外巴西上层热带雨林被认为从穿越了大西洋的撒哈拉沙尘获得了大部分养分供应。
Some reports showed that water and nutrient supply have significant effects on wheat water and nutrient use efficiencies.
一些报道证明，水分和养分供应对小麦的水分、养分利用效率有显著作用。
Conflict between soil nutrient supply and crop demand is one of the technical bottlenecks influencing organic crop production.
土壤养分供应与作物需求间的矛盾是影响有机种植作物产量的技术瓶颈之一。
Single organic fertilizer, improved soil quality, but the nutrient supply for crops not in time, and resulting in lower production;
单施有机肥，土壤质量改善明显，但对作物养分供应不及时，造成产量较低；
Generally, water stress and low nutrient supply resulted in the lower grain nutrient concentration, and nutrient uptake and uptake efficiency.
水分胁迫和低肥处理减少小麦籽粒养分含量、(整株)养分吸收量和吸收效率。
The results indicated that the soil organic matter and total N of 26-year-old PBCA stand increased. the activities of soil biochemistry strengthened. the amount of available nutrient supply enhanced.
得出结果：26年生杉阔轮栽模式土壤有机质和全N含量增加．土壤生化活性加强．土壤速效养分供应量增强；
The results indicated that the soil organic matter and total N of 26-year-old PBCA stand increased. the activities of soil biochemistry strengthened. the amount of available nutrient supply enhanced.
得出结果：26年生杉阔轮栽模式土壤有机质和全N含量增加．土壤生化活性加强．土壤速效养分供应量增强；
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