东北温带旱作农业主要作物生产潜力及资源利用效率评价——以黑龙江海伦市为例

doi:10.11821/yj2007030005

地理研究 ›› 2007, Vol. 26 ›› Issue (3): 461-469.doi: 10.11821/yj2007030005

东北温带旱作农业主要作物生产潜力及资源利用效率评价——以黑龙江海伦市为例

戴尔阜¹, 王昊^1,2, 吴绍洪¹, 靳京³

1. 中国科学院地理科学与资源研究所,北京 100101;
2. 中国科学院研究生院,北京 100039;
3. 中国科学院中国现代化研究中心,北京 100080

收稿日期:2006-09-15 修回日期:2006-12-16 出版日期:2007-05-25 发布日期:2007-05-25
作者简介:戴尔阜(1972-),男,甘肃省静宁县人,博士,副研究员。主要从事综合自然地理、土地利用/覆被变化、遥感及GIS在自然地理学中的应用等方面研究。 E-mail :daief@igsnrr.ac.cn
基金资助:
中国科学院知识创新工程重要方向项目 (KZCX3-SW-333)

A method for calculating potential productivity of main crops in dry farming system as well as assessment of agricultural resources utilization in temperate zone, NortheastChina: A case study of Hailun County, Heilongjiang Province

DAI Er-fu¹, WANG Hao^1,2, WU Shao-hong¹, JIN Jing³

1. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101,China;
2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China;
3. China Center for Modernization Research, CAS, Beijing 100080,China

Received:2006-09-15 Revised:2006-12-16 Online:2007-05-25 Published:2007-05-25
Supported by:
中国科学院知识创新工程重要方向项目 (KZCX3-SW-333)

摘要/Abstract

摘要： 将作物生产潜力模型(PS123模型)与常规方法相结合,对1999~2001年海伦市玉米、大豆、小麦作物生产潜力进行计算;选取产量损失量、资源满足率和资源组合利用率,定量评价资源利用效率,寻找影响资源集约高效利用的限制性因子及其定量制约程度。结果显示,自然资源中温度对于产量的限制最大,其次为水分和土壤,如果把光温生产潜力作为目标产量,玉米、大豆、小麦的光温生产潜力分别为11998、7068、8813 kg/hm²,资源利用率分别为51.0%、29.0%、20.2%,海伦市粮食生产仍有较大潜力。在特定自然资源状况下,海伦市的社会经济状况是限制潜力实现的重要因素,在实地调查基础上,本文提出了提高该市作物产量的主要措施。

关键词: 自然资源, 作物生产潜力, 资源利用效率, PS123模型, 评价指标, 海伦

Abstract: This paper combines PS123 model with ordinary methods into a comprehensive model to calculate the main crops potential productivity from 1999 to 2001 in Hailun County, so as to propose a more objective and scientific method to calculate crop potential productivity. The photosynthesis potential productivity (PPP) is calculated by the equation established by HUANG Bingwei. The temperature potential productivity (TPP) and climate potential productivity (CPP) are determined by PS123 model. And land potential productivity (LPP) is calculated by multiplying an effective coefficient, which is decided by AHP approach. At the same time, based on the productivity of different levels, agricultural resources utilization assessment model is also established which is composed of productivity loss value, contented index and utility ratio. By this way it can be found the main restricting resource factors and the restricting degree to achieve the purpose of appraising agricultural resources utilization efficiency comprehensively. The result shows that in natural resources temperature restricts productivity most, then moisture condition and soil fertility condition. If TPP is regarded as the highest productivity that can be realized, then the TPPs of maize, soybean and wheat are 11998,7068 and 8813kg/hm², their resources use efficiencies are 51.0%,29.0% and 20.2％,there is still great potential on main crops in Hailun County. To improve the productivity, on the one hand, perfect farmland capital should be constructed, and fertilizer and water input should be performed to remedy the deficiency in the natural resources. On the other hand, the enthusiasm of peasants to agricultural production should be aroused, and their educational level should be improved for the easier adoption of new technology, fine seeds and the planting system and planting way should also be improved to higher resources utilization efficiency. At the same time, there still exists difference between crops in the need of agricultural resources. Following the characteristics of different crops to invest resources can distribute resources rationally to obtain higher product.

Key words: natural resources, crop potential productivity, resource utilization efficiency, PS123 model, assessment model, Hailun County

戴尔阜, 王昊, 吴绍洪, 靳京. 东北温带旱作农业主要作物生产潜力及资源利用效率评价——以黑龙江海伦市为例[J]. 地理研究, 2007, 26(3): 461-469.

DAI Er-fu, WANG Hao, WU Shao-hong, JIN Jing. A method for calculating potential productivity of main crops in dry farming system as well as assessment of agricultural resources utilization in temperate zone, NortheastChina: A case study of Hailun County, Heilongjiang Province[J]. GEOGRAPHICAL RESEARCH, 2007, 26(3): 461-469.

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东北温带旱作农业主要作物生产潜力及资源利用效率评价——以黑龙江海伦市为例

A method for calculating potential productivity of main crops in dry farming system as well as assessment of agricultural resources utilization in temperate zone, NortheastChina: A case study of Hailun County, Heilongjiang Province

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