allobiocenose

用法例句

Effect of protective cultivation on weed community composition and species diversity

保护性耕作对农田杂草群落组成及物种多样性的影响

Four weed community groups were divided in 31 sites, one of which was obtained with almost all soybean (com) stubble rape field sites dominated with Galium apalium, and three gro.

利用７ 级目测法调查了南京地区油菜田３１ 个样点的杂草优势度级，并以其重要值为指标，对３１ 个样点的杂草群落进行计算机模拟聚类分析。

Digitaria　sanguinalis+Acalypha　australis+Cephalanoplos　segetum+Setaria　viridis weed　community　distributed　in　the　cotton　fields　with　the　successive　.

采用杂草群落和草害的数量研究方法，对江苏省沿海地区棉田杂草草害和群落的发生及分布规律进行了定量调查研究。

Effects of wheat rotation and monocropping system on weed populations in wheat fields;

小麦连作、迎茬和轮作对麦田杂草群落的影响

Effects of corn rotation and continuous cropping system on weed population;

玉米连作、迎茬和轮作对田间杂草群落的影响

Studies community composition and productivity in eastern edge of Qinghai-Tibetan Stipa aliena grassland;

青藏高原东缘异针茅草地群落组成及生产力研究

Dynamic monitoring of plant community composition and productivity of Polygonum viviparumand Kobresia capillifolia rangeland on Qinghai-Tibetan Plateau;

青藏高原东缘珠芽蓼+线叶嵩草草地植物群落组成及生产力动态监测

Effect of chemical fertilizer on nematode community composition and diversity in the Black Soil Region;

施用化肥对黑土地区线虫群落组成及多样性产生的影响

Turf weeds community composition and niches in Pearl River Delta Region in four seasons

珠三角地区四季草坪杂草群落组成及其生态位

Compositions and Dynamics of Weed Communities in Leafy Vegetable Fields in Guangzhou City

广州市叶菜田杂草群落组成及其年动态变化

Composition and characteristics of weed community in turf of Pearl River Delta Region in spring

珠江三角洲地区春季草坪杂草群落组成及其特征

Study on the Composition and Diversity of Weed Communities in Jiamusi University Campus

佳木斯大学校园草坪杂草群落组成和多样性研究

Effect of protective cultivation on weed community composition and species diversity

保护性耕作对农田杂草群落组成及物种多样性的影响

The Study of the Weed Community and Chemical Control in Wheat Fields in Heze;

菏泽市麦田杂草群落构成及化学防除技术研究

The Study of the Weed Community and Chemical Control in Wheat Fields in Taian;

泰安市麦田杂草群落构成及化学防除技术研究

The study on the community of deciduous broad-leaf sundry-tree forest in Yangtian hill Qingzhou City;

仰天山落叶阔叶杂木林群落研究——群落组成及结构

Species composition of a Leymus chinensis+forbs community and standing biomass under over-grazed environment

过度放牧对羊草杂类草群落种的构成和现存生物量的影响

The relationship between functional group composition and plant community productivity in sandy grasslands along desertification gradients

草地沙漠化过程中功能群组成与群落生产力关系研究

Study on Corn-weed Community Niche in Shenyang Region;

沈阳地区玉米—杂草群落生态位的研究

Study on Weeds Community Structure and Its Control Technique in Tobacco Field;

烟田杂草群落结构及其防治技术研究

Studies on the Succession of Weed Communities in Paddy Field and Their Control Techniques;

稻田杂草群落演替及其防治技术研究

An Analysis on Weed Communities around Rice Fields of Pearl River Delta

珠三角地区稻田周边杂草的群落分析

Preliminary Analysis on Reason and Trend of Weed Community Evolution in Paddy Field

水稻田杂草群落演化原因及趋势浅析

Study on the Quantity Charcteristics Seasonal Dynamics of Aneurolepidium Chinses + Herbs Community

羊草＋杂类草群落数量特征季节动态的研究

Study on Ecology of Weed Community in Wheat Fields and Biology Characteristics of Beckmannia Syzigachne;

麦田杂草群落生态学与菵草生物学特性的研究

Characteristics of Weed Community of Mixed Cropping Annual Artificial Grassland

1年生人工混播草地杂草群落特性研究