This is the synthetic effect of market demand, resources gift, plantation system, social economy and the niche condition etc.
这是市场需求、资源禀赋、种植制度、社会经济及区位条件等因素综合作用的结果。
It was, according to Webb, the colonial governors who favored the small farmer, opposed the plantation system, and tried through taxation to break up large holdings of land.
据韦伯称，正是殖民地总督亲善小农，反对种植园制，并通过税赋来打破土地的大规模拥有。
Even if employers do not resort to the tactics used by Caribbean sugar-plantation owners, Abhijit Banerjee of the Massachusetts Institute of Technology thinks the system would still have problems.
即使雇主不反对加勒比糖业种植园主的做法，麻省理工学院的阿巴·吉特•班纳吉认为此方案仍有问题。
A classified system of environmental costs for commercial plantation has been set up.
构建了商品人工林的环境成本分类体系。
Based on the system dynamics principle, I build optimize model of the plantation by applying STELLA5. 1.1 software.
运用系统动力学原理，应用stella5.1.1软件建立种植业优化模型。
This paper focuses on cotton transpiration, root system biomass, growth, development and distribution under growing stage and different plantation mode.
本文重点研究了不同种植模式下不同棉花品种的蒸腾速率、根系生长特性和空间分布规律。
It included forestry productive level, forest benefits, divided forest species, intensive farming, creating foreign exchange forest, manage system and plantation fund.
包括林业生产水平、森林效益、林种划分、集约经营、创汇林业、管理体制和营林资金七个问题。
The Plantation-Protection Prewarning Information System is an advanced means for bringing science and standard to the process of plantation protection and performing dynamic supervision.
耕地保护预警信息系统是区域耕地保护进行科学化、规范化管理及动态监测的先进手段。
Based on analysis of the physical and chemical properties of soil samples collected from Henan tobacco plantation area, the index system of soil fertility adaptability of tobacco was established.
本研究在分析河南省烤烟种植区各项肥力指标的基础上，建立了烤烟土壤肥力适宜性评价指标体系。
Based on analysis of the physical and chemical properties of soil samples collected from Henan tobacco plantation area, the index system of soil fertility adaptability of tobacco was established.
本研究在分析河南省烤烟种植区各项肥力指标的基础上，建立了烤烟土壤肥力适宜性评价指标体系。
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