monoculture相关论文
波斯胡桃(Juglans regia L.)是用于装饰工业的一种森林物种,需要适当的管理才能生产出经济效益好的高质量原木.由于种间关联和管理......
Plant Phosphorus Uptake in a Soybean-Citrus Intercropping System in the Red Soil Hilly Region of Sou
A field microplot experiment was conducted in the red soil hilly region of South China to evaluate plant phosphorus (P) ......
Plant Phosphorus Uptake in a Soybean-Citrus Intercropping System in the Red Soil Hilly Region of Sou
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
What is the value of eucalyptus monocultures for the biodiversity of the Atlantic forest? A multitax
Eucalyptus plantations are increasing in Brazil, frequently replacing pastures, but there is still scarce information ab......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Carbon storage in biomass,litter,and soil of different native and introduced fast-growing tree plant
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Soil Microbiological and Biochemical Properties as Affected by Different Long-Term Banana-Based Rota
Soil microbiological and biochemical properties under various field crop rotations such as grains, pastures and vegetabl......
The study was to determine the long-term effects of subtropical monoculture and rotational cropping systems and fertiliz......
Field experiments of mixed- (intercropping) and pure-planting (monoculture) of four rice vari-eties, representing improv......
Ecological effects of co-culturing sea cucumber Apostichopus japonicus (Selenka) with scallop Chlamy
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
大豆不耐阴品种的性状变异大于耐阴品种，茎叶性状中，叶形指数的变异最小、柄角的变异最大，表明叶形性状较稳定、柄角性状易受环境影响......
从棉花抗病品种连作３、６、８、９、１０ａ的土样中分离出３８３０个真菌菌落，其主要类群归入１１个真菌属。随着棉花抗病品种连作年限的增长，土壤中真菌和放线......
宁德三都澳海区褐菖鲉（Sebastieus marmoratus Cuvier）经375d不同方式的网箱养殖比较，与大黄鱼混养的褐菖鲉个体平均体重增重量达80．9g......
本试验研究了上海地区低盐度条件下池塘单养和混养对点篮子鱼（Siganus guttatus）幼鱼生长和摄食的影响.平均体重1.14±0.63g、平......
辽宁省西部营造有大量用于水土保持的油松人工纯林.如何改造这些低效的纯林是生产实践中面临的一个严重问题.根据近自然林业思想,......
What is the value of eucalyptus monocultures for the biodiversity of the Atlantic forest？ A multitax
Eucalyptus plantations are increasing in Brazil, frequently replacing pastures, but there is still scarce information ab......
What is the value of eucalyptus monocultures for the biodiversity of the Atlantic forest？ A multitax
Eucalyptus plantations are increasing in Brazil, frequently replacing pastures, but there is still scarce information ab......
Carbon storage in biomass,litter,and soil of different native and introduced fast-growing tree plant
Replantation of degraded forest using rapidgrowth trees can play a significant role in global carbon budget by storing l......
【目的】根据南疆喀什地区早春土壤温度与气温的实测数据,分析杏麦间作与小麦单作模式下24 h的温度变化特征。【方法】以8年生赛买......
近几年，作物轮作现象严重，为研究连作、轮作对玉米和大豆农艺性状及产量的影响，2009—2014年进行长期定位试验。结果表明，玉米和大豆不......
对安徽枞阳县周潭镇大山村中国森林生态网络大山试验示范区的栗茶间作茶园和单作茶园茶树根系的特征进行了试验研究。结果表明：栗茶......
利用英国Lcpro+便携式测定系统研究了石漠化地区多年生黑麦草和白三叶的单播与混播群落光合日变化特征差异。结果表明:混播牧草由......
<正>A mini-plot field experiment was conducted on a loamy clay Oxisol to compare and evaluate P absorption and transfer ......
Plant Phosphorus Uptake in a Soybean-Citrus Intercropping System in the Red Soil Hilly Region of Sou
A field microplot experiment was conducted in the red soil hilly region of South China to evaluate plant phosphorus (P)u......
Field experiments of mixed- (intercropping) and pure-planting (monoculture) of four rice vari-eties, representing improv......
１９９５年和１９９６年夏秋季进行的围隔实验表明投饵养殖时浮游植物毛初级生产力较低，水呼吸相对较高，多数围隔中毛初级生产力／水呼吸〈１，其中混养中国......
应用从华南引入到浙江并经自然越冬后正常生长的细基江蓠繁枝变种作为试验材料，进行江蓠与水产动物单养混养效果对比的初步试验。结......
本文于1990～1991年在单、间作条件下分析了8个不同耐阴级别大豆品种子叶期的子叶、开花期末期功能叶的酯酶同工酶。结果表明:1.子叶......
以相对不耐荫的南冬抗022-2、贡秋豆494-1和较耐荫的贡选1号、南豆12为试材,在＂玉-豆＂套作和单作两种模式下,研究了不同大豆品种苗期......
本文对10个不同耐阴级别的大豆品种,在相同的栽培措施下单作和与玉米间作,于鼓粒初期进行了叶片形态特征和解剖学结构的观察,分析......
1990～1991年在单、间作条件下分析了8个不同耐阴级别大豆品种子叶期的子叶、鼓粒中期的功能叶过氧化物酶,结果表明:(1)过氧化物酶同......
Allelopathic autotoxicity occurs when a plant releases toxic chemical substances into the environment which inhibits dev......
Nitrogen Use Efficiency under Different Field Treatments on Maize Fields in Central China: A Lysimet
Nitrogen loss from farmland has caused serious problems all over the world. This field study assessed Nitrogen Use Effic......
The results of the long-term investigations in dynamics for study of the conditions of taxonomic groups of microorganism......
Corn and Soybean Rotation under Reduced Tillage Management: Impacts on Soil Properties, Yield, and N
A 4-yr field study was conducted from 2007 to 2010 at Stoneville, MS to examine the effects of rotating corn and soybean......
研究了纯作和套种对烟田土壤温度变化的影响,结果表明：8：00-19：00,各层土壤温度都随时间推移先升高后下降。5cm处,纯作土壤温度始终高......
在单因素与多因素正交试验的基础上，采用二次回归正交旋转组合设计，对福建杂交玉米单作栽培的４项主要农艺措施进行田间试验。结果表明......
Avian Community Density and Distribution Patterns among Nicaraguan Conventional and Organic Shade-Co
We used a distance-sampling survey method and multivariate statistics to obtain a unique estimate of bird species densit......
Photosynthetic pigments accumulation and some growth indices of cowpea, maize and tomato in response
This study aimed at investigating the photosynthetic pigment accumulation and some growth indices of cowpea, maize and t......
