harvest相关论文
<正> Ever since 1975, we have studied haploid seedlings and succeeded in the culture of the new wheat line, Yuhua No. 1,......
Afforestation and forest management can increase carbon stocks and account for emission reduction according to the Kyoto......
The brand name which represents the image of a company needs to be effective in the market if the merchandisers attempt ......
[Objective] To establish a quantitative method for simultaneous determination of ursolic acid and oleanolic acid in the ......
OBJECTIVE To examine the influence of tumor osseous metastasis on the patients undergoing autologous peripheral blood st......
世界那么大，有你有我，感动常在细微处。亲子活动一切源于爱，通过共同玩乐的形式，拉近孩子与父母之间的距离，面对孩子的成长。于是，5月14......
最近在日本,一种名为“食物银行”的活动正广泛开展起来。这个银行的主要目的,是将那些质量没有问题、包装不规范而被企业视为“非......
We must not hope to be mowers， And to gather the ripe golden ears， Unless we have first been sowers And watered t......
Field studies were conducted in the Jiuwantan Forest Farm,Huadu District of Guangzhou City from June 2004 to March 2006 ......
In a 2-year experiment,187 genotypes were grown under well-watered and drought stress conditions,imposed at panicleinit......
[目的]本文旨在对波兰气候条件下的28个绿芦笋品种进行适应性评价,并选择出最适合在波兰种植的品种。[方法]2008年在马赛林试验站......
通过田间试验,研究猪粪堆肥与化肥不同配施方式对水稻生产力、养分累积和氮肥利用率的影响。结果表明,与当地习惯施肥相比,施氮量......
Local PM10 and PM2.5 emission inventories from agricultural tillage and harvest in northeastern Chin
Mineral particles or particulate matters (PMs) emitted during agricultural activities are major recurring sources of atm......
Effects of deforestation on microbial diversity in a Siberian larch (Larix sibirica) stand in Mongol
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
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OBJECTIVE To examine the influence of tumor osseous metastasis on the patients undergoing autologous peripheral blood st......
玉米是我国三大谷物之一，种植面积很广，栽培模式和植株性状等千差万别，而机械本身又有其与生俱来的局限性，因此玉米农艺栽培技术和玉米......
成熟度是烟叶质量的核心要素,明确红大的适宜采收成熟度对提高红大烟叶质量具有重要意义.采用烤后烟叶质量评价的方法,对红大不同......
结合本校近年来开展研究性学习的案例,说明农村中学开展研究性学习时存在的诸如课题可行性不足、学生研究计划不完善、研究能力不......
针对现有木薯收获机存在问题,基于木薯宽窄双行起垄种植农艺要求,确定收获机工作原理与总体结构,并对挖掘装置、拨辊输送装置、限......
