【摘 要】
:
在西瓜枯萎病的防治中,笔者根据《农业部办公厅关于推进农作物病虫害绿色防控的意见》农办农[2011]54号文件要求,结合上蔡县西瓜生产的实际,指导瓜农推广应用,在显著降低化学
论文部分内容阅读
在西瓜枯萎病的防治中,笔者根据《农业部办公厅关于推进农作物病虫害绿色防控的意见》农办农[2011]54号文件要求,结合上蔡县西瓜生产的实际,指导瓜农推广应用,在显著降低化学农药的使用量,避免农产品中的农药残留超标,提升农产品质量安全水平的道路上迈出了新的一步,在农作物标准化生产过程中的病虫害防治上进行了尝试,收
In the prevention and treatment of watermelon wilt disease, the author according to the “General Office of Agriculture on promoting the prevention and control of crop pests and diseases,” Agricultural Office of Agriculture [2011] 54 document requirements, combined with the actual production of watermelon in Shangcai County, to guide the popularization and application of melons, We have taken a new step in significantly reducing the use of chemical pesticides, avoiding excessive pesticide residues in agricultural products and improving the quality and safety of agricultural products. We tried our best to prevent and control pests and diseases in the standardized production of crops
其他文献
β-catenin is a key molecule involved in both cell-cell adhesion and Wnt signaling pathway. In our study,we found that, in the development of hepatocellular car
对栽培大豆12个品种的叶片解剖观察表明,大豆叶片栅栏细胞一般为2层,多数新品种,尤其高产品种植株主茎第4—5节和第13—14节位叶片栅栏细胞为3层,因此这些品种相应节位叶片的
为了比较Glaszmann和程侃声等对亚洲栽培稻的分类体系,将Glaszmann氏提供的197个水稻品种的同功酶位点原始记录和程氏对它们就6个形态性状的评分作了主成分分析和聚类分析。
在艺术创作中,直觉表现在创作者对自然感应的敏锐性上,表现在创作者对自然把握的独特性上,这就要求我们在创作中进入事物的潜层,穿透事物的外表,把握其内质,而不能仅仅满足于
随着中国现代化脚步的加快,中国迈入了城市化的道路,针对此过程中产生的种种环境问题,人们提出了生态城市的概念。本文在解释生态城市概念的基础上,从城市景观、产业与住区、
p53 mutations have been found in many esophageal squamous cell carcinoma (ESCC) clinical specimens and cell lines. We reasoned that functional inactivation of w
The aim of this paper is to observe the effect of the Feixian Recipe on pulmonary fibrosis in rats.A rat model with pulmonary fibrosis was established by intrat
随着我国经济飞速发展,社会环境与社会秩序日新月异,丰富多彩的视觉媒体已融入了人们的生活,视觉传达设计对人们的生活方式产生着重要影响。古村落作为我国传统文化的重要载
“博古图”的称谓在宋代出现后,其所指称的对象不断发展、变化.在宋代,最初专指《宣和博古图》一书,继而扩展为其他绘有古器物的图谱、著录等.明代以后,在卷轴画和器物纹样中
The expression of signal transducer and activator of transcription 6 (STAT6) and nuclear factor-κB (NF-κB) in the colonic mucosa of patients with ulcerative c