weed infestation是什么意思

网络释义

用法例句

Study on control weeds growing in the Dichondra repens lawn during spring by different combination of chemicals in the southwest region of hunan province;

湘西南地区马蹄金草坪中春季杂草的化学防除试验

Efficacy Experiment of 10.8% HKUST Green Quizalofop-p-ethy EC Against Soybean Field Weeds;

科大绿野10.8%精喹禾灵乳油防除大豆田杂草试验

The Experiment of Herbicides against Weeds of Trifolium repens L. in seedling period;

几种除草剂防治白花三叶草苗期杂草试验

The contents of four heavy metal elements including Cu, Pb, Zn and Ni in 30 weed species collected from the sewage area near a smeltery were determined and analyzed.

对冶炼厂周围的土壤和杂草中的4种重金属元素含量进行测定和统计。

In view of that Cd-Pb-Cu-Zn combined pollution of hyperaccumulated plant in phytoremediation is short of research at present, block test was first adopted to study their accumulative characteristics in 22 weed species of 12 families in Shenyang district.

首次采用小区试验方法,对沈阳地区12科22种田间杂草植物进行其积累特性的初步研究。

Accumulative characteristics of heavy metals ( Cd, Pb, Cu and Zn) in 31 weed species belonging to 17 families which survived in a Pb.

针对目前植物修复中Cd-Pb-Cu-Zn复合污染的超富集植物缺乏研究,采用野外采样系统分析方法,对青城子铅锌矿各主要坑口周围17科31种杂草植物进行其积累特性的初步研究。

Application of Weeds in the Remediation of Soils Contaminated by Heavy Metals;

杂草在土壤重金属污染修复中的应用

On absorption and accumulation of six heavy metal elements of weeds in Jinhua suburb (Ⅱ)-PCA on relationship between weeds and soil in metal element content;

金华市郊杂草对土壤重金属元素的吸收与富集作用(Ⅱ)-杂草-土壤间重金属元素关系的主成分分析

Identification of crop and weed in seedling stage based on multi-spectral images;

应用多光谱数字图像识别苗期作物与杂草

Talking on the weed control by medicament on Dike;

堤防杂草药物防除方法浅谈

Effect of spraying wettable powder of 50% napropamide on weed control of tobacco field;

50%敌草胺可湿性粉剂防除烟地杂草的效果