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作物单产与效益关系的深层分析

标题: 作物单产与效益关系的深层分析
英文标题: A DEEPGOING ANALYSIS TO THE RELATIONSHIP OF CROP YIELD AND PROFIT
作者: 梁卫理
英文作者: LIANG WEILI
出版时间: 1998-01-01
机构: 河北农业大学
关键词: 作物生产,高产高效,经济效果
英文关键词: CROP PRODUCTION,HIGH - YIELD AND HIGH EFFICIENCY,PROFIT
刊名: 河北农业大学学报
英文刊名: JOURNAL OF AGRICULTURAL UNIVERSITY OF HEBEI
ISSN: 1000-1573
卷号: 004
基金: ^A国家科技支撑计划项目^B^D1%^A国家专题^B85-06-01-06^D2
页码: 33-37
分类号: S318
摘要: 以对500个农户的实地调查数据为基本素材,运用生产函数对华北地区典型的小麦一玉米二熟种植制度中作物产量、资源投入与生产经济效果的关系进行了分析,并运用农学、经济学和生态学的原理对这一关系产生的机制做了全面深入的剖析,澄清了以往对高产与高效关系的一些模糊认识.研究结果表明,在达到经济效益最好的投入和产量水平之前,目前这一种植制度尚存在5100kg?hm-2的产量潜力,通过增加投入实现这一潜力可增加1350元?hm-2的净产值.
英文摘要: The relationship between crop yield, input and profit of wheat-maize double crop-ping systern in a typical North China area was studied with the help of productive function.The mechanism of the relationship was also thoroughly analyzed with principles of agronomy,onics and ecology so as to clarify me confused debates on it. The result shows that thecropping system has a yield potential of 5100 kg - hm-2 higher before reaching the economicyield limit. 1350 Yuan?hm-2 net income could be got in the realization...