Status and Constrain for Mechanization of Rice Harvesting System in Bangladesh

来源 :农业科学(英文) | 被引量 : 0次 | 上传用户:ISE7ENAK
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
To know the position, problems and suggestion of harvest mechanization of rice, the study conducted in 21 upzillas under seven regions (Dhaka, Mymensingh, Sylhet, Comilla, Bogra, Rajshahi and Rangpur) based on different agro-climatic condition and croppin
其他文献
The parental material of soils in the Qilian Mountains of northwest China is mainly aeolian loess containing CaCO3 which may remain in soils under the semiarid-
凡“干戈”名最古,干与戈相连得名者,后世战卒,短兵驰骑者更用之。盖右手执短刀,左手执干以蔽敌矢。古者车战之上,则有专司执干,并抵同人之受矢者。若双手执长戈与持戟、槊。则无所
<正> 合词法(compounding)在英语中是一个重要的构词方法,为英语增添了不少精炼的词汇。把两个或两个以上的独立词(independent word)①按照一定的规则结合起来构成新词的方
The surface water quality was investigated in the C&#243;rrego Sujo watershed, located in the municipality of Teres&#243;polis, a mountainous region in the stat
一、高校财务会计教学的现状及分析美国会计学会(AAA)的会计教育改革委员会,在上个世纪90年代初经过调查后认为“以知识传授为主导”的会计教育模式已不能满足快速发展的社会经
The objective of this study was to compare the effect of anticipated and traditional inoculation of Bradyrhizobium spp. in industrially treated soybean seeds. T
The agricultural sector is the basis of livelihood for a large proportion of society in Ethiopia. In the three political regimes in modern Ethiopia, the Imperia
生理学是一门重要的基础医学理论课,其教学质量直接影响着学生的培养质量。“4+4”临床医学专业的学生来自国内重点综合性大学,都是很优秀的应届毕业生,但他们的生理学基础参
目的探讨特发性黄斑前膜行23G微创玻璃体切割联合内界膜剥除手术患者围术期护理方法。方法对7例(7眼)特发性黄斑前膜行23G微创玻璃体切割联合内界膜剥除手术患者围术期护理加以
说明文是以说明为主要表达方式的一种文体,但它并不排斥表达方式的多样性。要想写出文质兼美的说明文,我们也可以在说明中适当融入记叙、描写、议论和抒情,这样写出来的说明