论文部分内容阅读
【正】 合肥市郊区分布在合肥四周。农业生产主要以种植油菜、小麦、水稻为主,其次是大麦、山芋(甘薯)、豆类。为了搞清主要农作物的成本和经营效果,在农业区划工作中,开展了农产品成本的调查。 调查年度:责任制前的1978年,包干到户后的1981、1982年。
合肥市郊区农产品成本调查及分析
【摘 要】
：
【正】 合肥市郊区分布在合肥四周。农业生产主要以种植油菜、小麦、水稻为主,其次是大麦、山芋(甘薯)、豆类。为了搞清主要农作物的成本和经营效果,在农业区划工作中,开展了
【机 构】
：
合肥市郊区农业区划办,合肥市郊区农业区划办
【出 处】
：
农业技术经济
【发表日期】
：
1983年11期
其他文献
Nephrolithiasis is a common clinical disorder, and calcium oxalate (CaOx) is the principal crystalline component in approximately 75% of all renal stones. It is
Non invasive ultrasound-based imaging systems are being more commonly used in clinical bio-microscopy applications for both ex vivo and in vivo analysis of tiss
Quantitative analysis of image quality will be helpful for designing ASiRTM-enhanced paediatric CT protocols, balancing image quality and radiation dose. Catpha
Uni- and multidirectional wear resistance of different crosslinking degrees in UHMWPE for artificial
The aim of this work was to study the effect of UHMWPE crosslinking on wear performance. Differently treated UHMWPEs were studied by means of unidirectional and
Increase in thermal stability of proteins adsorbed on biomass charcoal powder prepared from plant bi
Thermal stability of lysozyme adsorbed on biomass charcoal powder (BCP), which was prepared from plant biomass wastes such as dumped adzuki bean, bamboo, and wo
在市场经济中经济分析的作用方日恒，方瑞立，胡文革市场经济是商品经济高度发展的产物，它既不靠行政血令，也不是一种无所约束，“放任ｅ流的ｅ①经济”。事实上：它是～种完整的法规制度所制
一、关于社会评价的概念投资项目的社会评价似乎已成为一个专业术语被大家所接受,但社会评价的真正含义是什么,却未曾有人作过精确的描述。在过去,人们把项目的财务评价、经
Fuzzy splicing in precursor-mRNA sequences: prediction of aberrant splice-junctions in viral DNA con
RNA splicing normally generates stable splice- junction sequences in viruses that are important in the context of virus mimicry. Potential variability in envelo