【摘 要】
：
棉农要想发棉田要施钾蠡县城关和小陈乡从１９９０年始在棉田上试施钾肥，获得明显增产效果，受到广大农民欢迎，施用面积已扩大到１０万亩以上。据调查，在亩施底粗肥７５００～１００００公斤、碳铵５０公斤、磷酸二铵２０公
论文部分内容阅读
棉农要想发棉田要施钾蠡县城关和小陈乡从１９９０年始在棉田上试施钾肥，获得明显增产效果，受到广大农民欢迎，施用面积已扩大到１０万亩以上。据调查，在亩施底粗肥７５００～１００００公斤、碳铵５０公斤、磷酸二铵２０公斤的基础上，亩增施硫酸钾或氯化钾１５～２０...
Cotton farmers want to send cotton fields to be applied Potash Chengguan and Xiao-Chen Township from 1990 onwards in the trial of potash fertilizer application, access to significant yield increase, welcomed by the majority of farmers, the application area has been expanded to more than 10 acres. According to the survey, 7500 ~ 10000 kg of coarse fat at the end of Mushu, 50 kg of ammonium bicarbonate, 20 kg of diammonium phosphate, based on the increase of potassium sulfate or potassium chloride 15 ~ 20 ...
其他文献
To evaluate the mechanism of vascular endothelial growth factor (VEGF) on the prevention of restenosis after angioplasty, the recombinant adenovirus vector cont
Protein phosphatase 2A (PP2A) is the pre-dominant serine/threonine phosphatase in eukaryotic cells. In the brains of patients with Alzheimer’s disease (AD), de
Clinical imperatives for the reconstruction of jaw bone defects or resorbed alveolar ridge require new therapies or procedures instead of autologous/allogeneic
摘要：通过对中西部地区农村中小学教师专业素质偏低的现状进行分析，笔者提出了促进农村教师专业化水平提高的建议和策略，旨在帮助农村教师有效地借助国家为其提供的丰富远程教育资源，努力提升自己的专业水平，进而促进农村教师的专业化发展。 关键词：农村远程教育；教师专业发展；对策研究 中图分类号：G434文献标识码：A 文章编号：1673-8454(2008)06-0061-04 我国幅员辽阔，区域
目前,三七种植户急剧增加,他们中的许多人未掌握加工技术,致使加工出来的三七成品质量较差,规格不符合要求,不但经济上减少收入,而且影响三七的药效。因之,搞好三七加工,是
The purpose of this work was to construct the plasmid that could direct the synthesis of siRNA-like transcripts and thus mediate strong and specific repression
The factors affecting case detection of tuberculosis(TB)/human immunodeficiency virus(HIV)coinfection cases were explored in order to provide evidencebased form
一、药用植物栽培技术的研究我国药用植物栽培已有二千多年的历史,积累了丰富的经验。解放以来,各地区根据实际需要,利用当地特有的药用植物资源,引种栽培成功多种重要的植
The aim of this article was to investigate the influence and the related mechanism of the Retn gene on glucose uptake and insulin resistance in 3T3-L1 cells.Rad