Nutrient problem is one of the most serious problems. 营养问题是最严重的问题之一。
It's key nutrient, caffeine, can improve concentration and reaction time. 咖啡因非常有营养,又能改善集中注意力的时间和反应时间。
Effects of Fertilization on Soil Available Nutrient 、 Nutrients Uptake 、 the Yield and Quality of Spring Wheat 施肥对土壤速效养分、春小麦养分吸收及产量和品质的影响
Single fertilizer a fertilizer containing only one nutrient. 单一成份肥料仅含有一种养料的肥料。
Effect of Zinc on the Growth of Corn and Nutrient Uptake from Soil 锌对玉米生长和营养元素吸收的影响
Soil microorganism plays an important role in the process of nutrient transformation and humus forming in soil. 土壤微生物在土壤养分转化与腐殖质形成过程中有着重要的作用。
The degradation of pentachlorophenol ( PCP) by the white-rot fungus Phanerochaete chrysosporium was studied under different nutrient condition. 研究了白腐真菌黄孢原毛平革菌在不同营养条件下对五氯酚的降解。
The effects of soil nutrient factors on potato yield and commodity rate were studied in different ecological conditions. 研究了不同生态条件下,土壤养分因子对马铃薯产量和商品薯率作用效果。
Ground biomass of main shrub is also affected synthetically by soil nutrient, soil moisture and topography. 灌丛地上生物量,也受土壤养分、水分、地形三者共同的影响和作用。
The major characteristics of soils are texture, acidity, nutrient content, gaseous content, and moisture content. 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 nutrient content was analysed in Jipi Chinese Yam. 对菏泽鸡皮山药营养成分进行了系统分析。
The method of regional soil nutrient management was studied based on systematic cluster analysis. 探讨了基于系统聚类分析对大田小麦进行区域化土壤养分管理的方法。
This study provides the theoretical basis for the fast estimation of nutrient content in apple flowers. 该研究为快速估测苹果花营养元素含量提供了理论依据与参考。
Effects of selenium on the growth and nutrient absorption in pakchoiBrassica campestris ssp. 以小白菜为材料,研究了硒对植株生长和养分吸收的影响。
The manufacturing technology of fermented nutrient rice milk and the influenced ingredient of stability were studied in this paper. 本文对发酵型营养米乳的生产工艺,影响产品稳定性的因素进行了系统的研究。
The work of improving nutrition is to prevent and control nutrient deficiencies, excess nutrients and nutrition-related diseases. 营养改善工作是指为改善居民营养状况而开展的预防和控制营养缺乏、营养过剩和营养相关疾病等工作。
Organic fertilizer is the important link of maintaining and improving soil nutrient equilibrium and improving soil fertility. 有机肥是维持和促进土壤养分平衡,培肥土壤的重要环节。
Nitrogen is the most important nutrient for high yielding cultivation of rice plant. 氮是水稻高产栽培中最重要的养分。
This represents a substantial measure of nutrient conservation in soil and vegetation systems. 这一点正是在土壤植被系统中保持养分的实质措施。
Organic matter accumulation in forest floors is important for carbon and nutrient storage and cycling in forest ecosystems. 森林地被层有机物的聚集对于森林生态系的碳与养分的储存与循环具有重要性。
Nitrogen as a plant nutrient is treated in a great number of publications. 人们对植物营养中的氮素研究已发表相当大量的报告。
Bad soil quality, low nutrient content, improper fertilization all have impacted landscape plants'growth. 城镇园林土壤质量差,养分含量低,施肥方法不科学,影响了园林植物的生长。
Developing an understanding of nutrient metabolism and nutrient requirements; 了解了营养代谢和营养需求;
The indexes of soil water and nutrient were measured in horsebean harvest stage. 在蚕豆成熟期,测定土壤水分和养分指标。
Every individual has a physiological requirement for each nutrient. 每个人对每种营养成分都有一种生理上的需要。
Correlative research was made on the activity of enzyme and soil nutrient of different wetlands in Yellow River Delta. 对黄河三角洲冲积平原湿地酶活性与土壤养分相关性做了研究。
Nutrient components in luffa cylindrical stem and leaf were analysed in this paper. 分析测定了丝瓜藤、叶的主要营养成分。
The Lanzhou Lily contains redundant nutrient substance and microelements. 兰州百合含有丰富的营养物质和微量元素。
This study is about carbon and nitrogen nutrient sources utilization. 通过试验探讨茶树菇对碳源和氮源的利用。
The state and transform of nutrient elements are important to plant nutrition and environmental quality in calcareous soils. 石灰性土壤中各种元素的状态和转化,对植物营养和环境质量有重要意义。