试验结果表明，土壤缺钾是该试验的主要养分限制因子之一；
The potash deficiency in soil is proved the restricting factor in this experiment.
土壤转化酶活性与草地主要养分关系密切，它可作为土壤肥力指标。
There were closely relations between the activity of invertase and main soil nutrients, that can be the index of soil fertility.
在现代农业中，土壤的矿物损耗是一个主要的问题，因为收割农作物会中断养分的循环，使其无法重新回到土壤中。
In modern agriculture, mineral depletion of soils is a major concern, since harvesting crops interrupts the recycling of nutrients back to the soil.
长期影响主要是由树种组成的变化以及随之而来的森林结构、生产力和养分吸收的变化所导致的。
Long-term effects are primarily mediated by changes in tree species composition and the consequent alterations of forest structure, productivity, and nutrient uptake.
植物主要是通过根系吸收养分，一般通过根系截获、质流和扩散三种方式。
Nutrients are absorbed mainly through roots of plants by interception, mass-flow and diffusion.
土壤的主要特性有质地、酸度、养分含量、气体含量和含水量。
The major characteristics of soils are texture, acidity, nutrient content, gaseous content, and moisture content.
日光温室特殊的环境条件以及过量施用化肥是土壤盐分累积和养分富集的主要原因。
The main reasons caused the accumulation of soil salt and nutrients are the special environment condition of greenhouse and the surfeit use of fertilizer.
本文主要阐述覆膜栽培耕层土壤主要酶与有效养分变化及其相关性。
This paper mainly states the coherency between the main enzymes and the available nutrient in ploughed layer in soils mulched with film.
土壤养分流失是农田非点源污染的主要形式。
Soil nutrients loss is the main way of non point pollution from farmland.
施肥量的提高是种植结构变化导致土壤养分提高的主要原因。
The increase of amount of fertilizer application was the main reason for the result of soil nutrient increase from the planting structure changes.
非淀粉多糖是谷物副产物麦麸、米糠等的重要组成成分，是影响畜禽对谷物饲料养分和能量消化利用率的主要抗营养因子。
Non-starch polysaccharides(NSP) is the main component of the cereals' by-products, and it is the main anti-nutritional factor restricting the nutrients digestibility and utilization by the animals.
“全树利用”及其短轮伐期经营制度是导致林地养分衰竭和生产力下降的主要原因。
It is believed that all tree utilization and short rotation system were main factors responsible for nutrient depletion and productivity decline of the stand sites.
而根的长度是根型的主要参数，对于养分的吸收，耐旱和作物的产量都有重要的作用。
The root length is main parameter of root architecture with various important functions such as nutrient uptake, drought tolerance and yield.
冠状根是须根系的主要组成，对作物的固着和养分、水分吸收有着重要意义。
Crown roots are main components of the fibrous root system and important for crops to anchor and absorb water and nutrition.
灰色分析的结果表明，土壤速效磷的形成主要受到土壤养分，尤其是碳、氮养分的影响。
The results of grey relational analysis revealed that the content of soil nutrients, in particular C and N, had a major effect on avail-P.
耕作对喀斯特脆弱生态系统土壤具有重要影响，是造成土壤养分流失、退化的主要原因。
Tillage practice had important effect on soil nutrients loss and soil degradation in the fragile karst ecosystem.
从相关性测定亦表明：覆膜处理耕层主要土壤酶与有效养分之间相关性高于未覆膜处理。
The coherency test also results that the coherency between soil enzymes and available nutrient in the film-covered film is higher than that in the no-film-covered field.
农田生态系统中氮素养分主要的输入项是化肥和有机肥，分别占总投入氮量的58.8%和25.3%。
The major input of N was the N of fertilizer and manure and the percentage was 58.85% and 25.32% of the total input respectively.
结果表明：土壤养分主要是以不溶态的形式随泥沙迁移，随径流迁移的可溶态养分很少；
Results showed that soil nutrients mainly migrated with sediment in unsoluable forms, while the amounts of soluble nutrients removed with runoff were very little.
该区主要立地特点是干旱、土薄、养分贫乏。
The main site characters are drought, thin soil and lack of adequate nutrition.
方法采用各种营养分析方法对双歧杆菌发酵果蔬汁进行主要营养成分的分析测定。
Method The main nutritional components of Bifidobacterium fermented mixed fruit and vegetable juice were analyzed according to nutrition analysis methods.
胚乳，谷物的主要淀粉部分，精制产品的主要组成部分(诸如白面粉)，包含了一些蛋白质和大量碳水化合物，但只残留了少量养分。
The endosperm, the starchy part of the grain left in refined products such as white flour, contains some protein and lots of carbs but few nutrients.
指出杨树刺槐混交林生产力提高主要是因为林地土壤养分（特别是N素养分）的极大改善及树种间N、P养分的互补。
It shows that the yield improvement is mainly due to the soil nutrient amelioration (especially nitrogen nutrient) and the interaction of mutual supplement of N and P nutrient.
影响聚合物包膜肥料养分释放的因素主要有：膜厚、颗粒半径、扩散系数、养分组成及其溶解特性。
The factors that influence the nutrients release behavior are as followings: membrane thickness, granule radius, diffusion coefficient, nutrients composition and nutrient dissolving property.
坡地土壤养分流失过程实际上是表层土壤养分与降雨、径流相互作用的过程，土壤养分流失的多少主要受相互作用的限制。
The process of soil nitrogen loss in runoff and sediment is restricted by interaction of soil nutrient with rainfall and runoff.
林奇利用豆子和玉米之类的主要农作物进行实验，发现根的特点——比如深的或是浅的——都会影响植株对必需养分的吸收。
Working with staple crops like beans and corn, Lynch identifies which root traits - like deep, or shallow -will help plants get the sustenance they need.
林奇利用豆子和玉米之类的主要农作物进行实验，发现根的特点——比如深的或是浅的——都会影响植株对必需养分的吸收。
Working with staple crops like beans and corn, Lynch identifies which root traits -like deep, or shallow -will help plants get the sustenance they need.
采用抽样调查收集的农田施肥数据，结合耕层土壤养分状况，分析了阜平县主要粮食作物的农田施肥状况和养分结构。
Collecting fertilization data by spot check, combining with the nutrient qualilty of the furrow soil, we analyzed the fertilization and nutrient structure on the food crop farmland of Fuping County.
植物根系向地性是决定根系空间生长趋势的主要因素之一，对于养分吸收具有重要影响。
Gravitropism of plant roots is one of the important factors determining the spatial pattern of root growth and thus may have a great effect on nutrient uptake.
植物根系向地性是决定根系空间生长趋势的主要因素之一，对于养分吸收具有重要影响。
Gravitropism of plant roots is one of the important factors determining the spatial pattern of root growth and thus may have a great effect on nutrient uptake.
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