【摘 要】
：
常言道,对症下药,才能药到病除。这几年,随着农民种田科学技术水平的提高,不少农民对作物病虫害也能看得准,辨得明,但有时因用药剂量不当
As the saying goes, the right me
【机 构】
：
青岛农业大学植物病虫害研究防治中心,
论文部分内容阅读
常言道,对症下药,才能药到病除。这几年,随着农民种田科学技术水平的提高,不少农民对作物病虫害也能看得准,辨得明,但有时因用药剂量不当
As the saying goes, the right medicine, in order to cure the disease. In recent years, with the improvement of science and technology of farmer farming, many peasants can also see and identify clearly crop pests and diseases. However, due to the improper dosage of pesticide
其他文献
Small RNAs (sRNAs) are vital regulators of gene expression and involved in various biological processes.Among them,microRNAs (miR-NAs) and phased small interfer
Phalaenopsis equestris is an obligate crassulacean acid metabolism (CAM) plant with high oamental and economic value.CAM photosynthesis is associated with droug
创业板市场 ,俗称“二板市场” ,即第二股票交易市场 ,它与“主板市场”相对应。创业板市场主要是针对中小企业尤其是高科技企业而专门设立的股票市场 ,目的是促进中小企业的
农历五月初五,中国传统的端午节之际,中国盆景艺术家协会副秘书长吴敏、王永康,中国盆景艺术家协会常务理事芮新华、鲁忠慧在新沂市为中国盆景艺术家协会理事单位——新沂市
Chylothorax is a rare complication of neck dissection, and bilateral chylothorax is even rarer. However, both are potentially serious and sometimes life-threate
The prevalence and recurrence of polyploidization in plant species make it one of the most important evolutionary events in plants,and as a result,polyploidizat
The majority of crops we eat today are derived from the domestication of their wild progenitors.Crop domestication satisfies the human need for food and nutriti
去年以来,全国各地食用油价格普遍上涨,使居民的日常开支增加。人们在抱怨快要吃不起油了,企望油价回落的时候是否想过,有什么办法可以使食用油消费支出降下来呢?《经济参考
以改性火山岩滤料作为除铁除锰的滤料,通过对模拟矿井水的过滤试验,研究了滤速、pH值、滤层厚度及铁锰离子浓度对其除铁除锰效率的影响.结果表明:改性火山岩滤料能实现模拟矿
读今年《中国花卉盆景》第4期55页《榆树王〈千年绝唱〉的创作养护》一文颇有感触。该老桩素材集“神、奇、古、怪、青”数美于一身,堪称活着的古董,其美不在此多言。作者称