nutrie相关论文
Effects of dissolved oxygen and nutrients from the Kuroshio on hypoxia off the Changjiang River estu
The intrusion of the Kuroshio into the East China Sea(ECS)affects the development of hypoxia off the Changjiang(Yangtze)......
Plastic film mulching affects changes in nutrient contents in soil and absorption and utilization of nutrients in plants......
The concentrations of phosphate(PO43-),ammonium,nitrite,nitrate,silicate,dissolved organic nitrogen(DON),dissolved organ......
The gastrointestinal barrier is-with approximately 400 m~2-the human body’s largest surface separating the external env......
Characteristics of nitrogen forms in the surface sediments of southwestern Nansha Trough,South China
The area of the southwestern Nansha Trough is one of the most productive areas of the southern South China Sea.It is a t......
In vivo gene expression profiling of the entomopathogenic fungus Beauveria bassiana elucidates its i
The use of entomopathogenic fungi to control mosquitoes is a promising tool for reducing vector-borne disease transmissi......
Field experiment was conducted to study the effect of applying organic matter in wind blown soil on microbial biomass an......
Modeling Study of Seasonal Variation of the Pelagic-Benthic Ecosystem Characteristics of the Bohai S
Based on experiment data of the Sino-German comprehensive investigations in the Bohai Sea in 1998 and 1999, a simple cou......
Submesoscale activity over the shelf of the northern South China Sea in summer:simulation with an em
We applied a primitive equation ocean model to simulate submesoscale activities and processes over the shelf of the nort......
Long-term cycles in the carbon reservoir of the Quaternary ocean: a perspective from the South China
In recent years,long-term,high-resolution records from the deep sea and ice-cores have ofered new research opportunities......
Starting from the year 2008,the southern Yellow Sea of China has been suffering from large macroalgal blooms,which have ......
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Since remote sensing can provide information on the actual status of an agricultural crop, the integration between remo......
[Objective]The biological characteristics of Limonium Bicolor were explored which provided a reference for its domestica......
The objective of this study was to understand the morphological,physiological,and molecular responses of wheat roots to ......
【目的】农林废弃物具有种类多、易获取且含有一定养分等优点，开发其作为林木育苗基质，以替代不可再生的草炭基质。本文通过对不同基......
为探明华北落叶松林土壤养分对林分密度的响应,筛选适宜的林分种植密度,以利于华北落叶松林的生长和幼苗更新。采用野外样地调查和......
Impact of vegetation succession on leaf-litter-soil C:N:P stoichiometry and their intrinsic relation
Long-term natural vegetation succession plays a substantial role in the accumulation and distribution of plant and soil ......
【目的】合适的氮肥用量和种植密度是提高东北玉米产量和效益的关键。研究覆膜滴灌条件下氮肥用量、种植密度及其互作对春玉米产量......
研究了胜红蓟挥发油对不同营养水平下植物的化感作用结果表明，随着营养水平的降低，胜红挥发油对受试植物的化感作用明显增强。在胜红......
污损生物是影响贝类养殖业生产效率的重要因素。附着在养殖生物贝壳上的污损生物影响养殖生物的生长和存活。大部分污损生物是滤食......
选用２４头杜二杂种猪和３２头大二杂种猪（试验２）进行日粮添加ＣＩＭ１μｇ／ｇ试验。试验１和２试验期分别为２８ｄ和２０ｄ。其中ＣＩＭ组的平均日增重分别较对照组提高１５．７％和１２．９％，粒重比分......
本文对近年来有关共轭亚油酸(Conjugated linoleic acid，CLA)在猪上的营养研究进展进行综述，重点分析了共轭亚油酸的营养重分配效应......
为了解达氏鳇（Huso dauricus）幼鱼对不同蛋白质原料的消化能力,以0.4%的二氧化钛（TiO2）为指示剂,分别将鱼粉、鸡肉粉、肉骨粉、羽毛粉......
在土壤气候条件不同的南方湖南酸性红壤地区和北方河南石灰性土壤地区进行的田间试验表明：在烤烟移栽后的前３周中，烤烟烟株吸收的Ｎ、Ｐ、......
对不同采收期黄参的功效成分进行了分析,并对甲醇提取物进行抗氧化研究。结果表明,与头年10月份采收的黄参相比,次年4月份采收的黄......
试验旨在研究复合酶制剂对饲喂玉米-豆粕型低能量水平日粮肉仔鸡生长性能和养分组,对照组(8个重复)饲喂玉米-豆粕型低能量水平基础......
为了明确甘南州临潭县青稞根际土壤养分含量、酶活性和微生物数量与根腐病的关系,以临潭县10个青稞主产区为研究对象,调查根腐病发......
利用4 a的平衡施肥定位试验,研究太行山山前平原高产区冬小麦、夏玉米轮作制度下施肥对潮褐土中硝态氮的分布、移动、积累、植株吸......
为比较玉米秸秆揉丝微贮饲料与传统青贮饲料中微生物与营养成分的差异，用常规实验室分析方法对其主要微生物数量及常规饲料营养成分......
A systematic approach was adopted to investigate the nutrient limiting factors in gray-brown purple soils and yellow soi......
将48只1日龄合浦鹅预饲28d后随机分为2组，采用相同日粮，对照组自由采食、试验组的投料量为对照组前一天采食量的85．0％，在42d的饲养期间......
研究长期不同施肥处理对华北平原潮土作物产量及农田养分平衡的影响，对指导田块尺度粮食生产的高产-高效具有重要指导意义。本研究......
在中度熟化的红壤上种植黑麦草(冬种)和玉米(夏种),设2个施肥处理:(1)单施化肥;(2)沼肥+化肥,黑麦草和玉米分别于开花期和乳熟期收......
[目的]研究广西国有七坡林场内桉树人工林水土流失及养分损耗情况。[方法]利用径流小区进行定点连续监测研究，分析了问种牧草对桉树......
【目的】为了解林地转化为农地对砂质土壤有机碳、氮和磷的形态及其在不同大小团聚体中分布的影响。【方法】本文采用物理与化学相......
目的：了解中国城市乳母对自身营养状况的认知,比较自我营养认知对膳食的影响,并探索影响营养认知的相关因素.方法：采用多阶段整群抽......
选择炼山造林后27年生杉木人工林为研究对象,采用Monsi分层切割法对所选取的平均标准木进行生物量测定,并测定各营养器官的C、N、P......
为寻求食物生产与消费系统中粮食安全、资源高效和环境友好的协调和农业绿色发展途径,研究团队构建了"土壤-作物-畜牧-家庭-环境"(......
为解决现有海水增养殖区水环境评价方法中不能将营养盐匮乏、养殖状况恶劣等极端状况区分，导致评价结论与养殖实际环境不符的问题，本......
本文主要探讨了油松林分,林木针叶中营养元素含量与林分优势木平均高之间的关系及其变化规律。油松林木针叶中营养元素的含量与林......
目前，毛竹（Phyllostachys pubescens）是我国南方林区分布最广和经济利用价值最高的生态型经济竹种资源，“十五”期间调查统计表明，毛竹......
为研究饲粮α-半乳糖苷酶对爱拔益加（AA）肉鸡生长性能、养分表观利用率和肠道黏膜形态结构的影响,试验选择1 d体重相近的健康AA肉鸡3......
为了科学管理油茶林地施肥，通过设置6个施肥模式，探究不同施肥模式对油茶春梢生长、叶片生长、春梢叶片养分累积、以及叶片酶活性产......
以四川盆周山地退耕还林中杉木与黑麦草、三倍体毛白杨与黑麦草、杂交竹与牛鞭草三种不同林草模式为研究对象,对其生物量及其分配......
林草间作对杨树林地土壤养分性状及微生物数量的影响的结果表明，林间生草使土壤pH逐年降低，下降幅度为0．39％-3．64％；土壤有机质、碱解氮、......
在遮荫70%塑料大棚条件下,采用盆栽试验,设0、0.5、1.0、2.0 mg/kg 4个施锌水平,研究不同水平锌对滇重楼生长、养分含量和根茎总皂......
