Biological activity in a soil is influenced by soil acidity and nutrient status.
活动被土壤养分含量状况所制约。
The current nutrient status of crops can now be determined through the systematic sampling of plants as appropriate times.
作物当时的营养状况，可在适当时期对植物的系统采样进行营养分析。
The nutrient status of several acid vegetable soils was investigated through a pot trial in greenhouse and chemical analysis in laboratory.
通过盆栽试验及化学分析，对酸性菜园土的养分状况进行了研究。
P-deficiency reduced the reflectance at NIR band, and its influence on visible band was depending on the crop developing stage and other nutrient status.
缺磷降低了近红外波段反射率，对可见光波段反射率的影响则受生育阶段和其他肥料互作的影响；
According as the systematic approach for soil nutrient status, the nutrients limiting factors of the young oil-tea soil in Yichun of Jiangxi were studied.
利用土壤养分状况系统研究法，对江西宜春油茶幼林土壤进行了养分限制因子的研究。
A study was conducted to evaluate the soil nutrient status of poplar plantations by soil nutrient Systematic Approach (SNSA) in Jianghan Plain, Hubei Province.
应用土壤养分状况系统研究法(SNSA法)对江汉平原杨树人工林土壤养分状况进行了评价。
The interaction could enhance soil fertility effectively, improve nutrient status in soil and nutrient absorption in the rhizosphere, and also maintain plant productivity.
互作可以有效地提高土壤肥力，改善土壤的养分状况和根际养分吸收环境，维持植物生产力；
The research content included the slope-directive variation of soil bio-accumulations properties and related nutrient status, base cation leaching, the quantity of microorganism etc.
研究内容主要包括土壤生物积累及相关养分状况、盐基淋溶作用和微生物数量等方面的坡向性分异，并探讨其对山地土壤资源开发利用和生态环境建设的意义。
Objective To evaluate the clinical effect of the enteral nutrient(Pediasure) on making improvements in nutritional status of children with anorexia.
目的观察肠内营养剂小安素对畏食症患儿营养状况的临床疗效。
It combines input from multiple upstream pathways, including insulin, growth factors and mitogens while functioning as a sensor of cellular nutrient and energy levels and redox status.
它既可以作为整合各种信号转导通路的上游信号如胰岛素、生长因子和有丝分裂原的整合器，又可以作为感知细胞内营养与能量水平及还原状态的感受器。
In the light of the principle of classical statistics, the study on the status and spatial variability of nutrient of lime concretion black soil in Huaibei plain was conducted.
应用经典统计学方法研究淮北平原砂姜黑土养分状况及其空间变异性。
The paper presented the soil nutrition diagnosis methods and the soil nutrient level status in the black earth areas. Sugar beet yield can increase 40. 3% by applying this technique.
研究了适用于黑土要地区的甜菜土壤营养诊断方法，摸清了黑龙江省双城地区的土壤养分丰缺状况，应用本方法，甜菜产量增产40.3%。
The paper presented the soil nutrition diagnosis methods and the soil nutrient level status in the black earth areas. Sugar beet yield can increase 40. 3% by applying this technique.
研究了适用于黑土要地区的甜菜土壤营养诊断方法，摸清了黑龙江省双城地区的土壤养分丰缺状况，应用本方法，甜菜产量增产40.3%。
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