Agronomy a branch of agriculture dealing with soil management and crop production.
农学，农艺学：农业的一个分支，主要研究土地的管理和作物的生产。
He believes organic soil management can help retain moisture and protect against crop failure.
他相信土壤的有机管理可以保持土壤水分，防止农作物欠收。
Unhealthy soil management methods have seriously degraded soil quality, caused soil pollution, and enhanced erosion.
不健康的土壤管理方法，土壤质量严重退化，造成土壤污染，并加强侵蚀。
The Centre also maintains a national repository of potato gene resources and conducts research on soil management and conservation.
该中心还是国家马铃薯基因资源保藏库，并致力于土壤管理和保护的研究工作。
To avert our arable land from further degradation, soil management must be shifted from degrading tillage to conservation practices.
为了阻止耕地地力的持续下降和生态环境进一步恶化，土壤管理方式必须由传统的耕作方式转向保护性耕作。
Based on the practice of chestnut production, it is very exigent and significant to intensify the soil management of chestnut forest.
针对板栗生产实际情况，加强栗林土壤管理非常迫切。
The organic cultivation techniques including soil management, em application and pest control in pomiculture in Japan were introduced.
从土壤管理、EM技术及病虫害防治技术方面对日本果树的有机栽培技术作了介绍。
Adopting appropriate irrigation system and soil management practices, the return water with low degree of mineralization can be reused.
采用混灌轮灌和良好的土壤改良管理措施，回归水可开发利用。
The Book pointed out that there existed relation among soil management, preservation of soil moisture and preservation of soil fertility.
书认为土壤管理、保墒和保肥是相互联系的。
Soil carbon management index (CMI) sensitively reflected the dynamics changes of SOC pool under with different land use and different soil managements.
土壤碳管理指数（CMI）较好的反映了在不同的管理方式下土壤有机碳库水平的动态变化情况。
An understanding of the nature of these characteristics is an essential prerequisite to the study of soil profiles, soil types, soil productivity, and soil management.
了解这些特性是对土壤剖面、土壤类型、土壤生产力和土壤管理进行研究的一个必要的先决条件。
When we better understand pedodiversity, we will be better able to predict the impact of forest management on soil.
当我们更好地了解土壤多样性时，我们就能更好地预测森林管理对土壤的影响。
The management of poultry by-products focuses on soil, water and air quality issues.
家禽副产品的管理主要涉及土壤、水资源和空气质量问题。
It is now supporting land management techniques which protect stream-beds, conserve vegetation and carbon in the soil.
现在，巴西正扶持土地管理技术，这可以保护河床，保持植被和土壤中的碳。
Gollany also is upgrading CQESTR, a computer model that simulates the effects of climate, soil type, cropping systems, and other management practices on soil organic carbon.
高兰尼也在改进CQESTR模型，也就是一种电脑模型，这种模型能够模拟气候、土壤类型、耕作制度和其他有关土壤中有机碳的管理措施。
Bed planting and water management in the Yellow River: Serious water and soil erosion in the Yellow River has led to frequent basin-wide drought and floods.
黄河流域的垄播和水管理：黄河流域严重的水土流失导致整个流域经常发生水旱灾害。
The potential for carbon sequestration in the soil is estimated at 5.5 gigatons annually with good land management practices, equivalent to 13% of current emissions from all sectors.
据估计，在良好的土地管理实践中，每年土壤中碳潜在的封存量是55亿吨，相当于来自所有部门的温室气体排放量的13%。
The management and protection of water and soil conservation facilities, experimental sites, trees and grass planted and other rehabilitation achievements shall be strengthened.
对水土保持设施、试验场地、种植的林草和其他治理成果，应当加强管理和保护。
One of the challenges of research in soil ecology is to understand the impacts of management on the complex interactions of all organisms at the soil community level.
农业管理对土壤群落水平下各种生物之间复杂的相互作用的影响是土壤生态学研究的一个热点。
The methods involve soil fertility management as well as reduced tillage.
这些方法包括管理土壤肥力和减少耕作。
A range of LABS were incorporated into the programme, including those dedicated to light, digital fabrication, soil systems and construction management.
项目中还包含了一系列的实验室，包括光学、数字制造、土壤系统和建设管理。
Results showed that in compound management of forest and agriculture it is obviously existed the effect on soil chemical property, and there is difference because of variety of the crop.
研究结果表明：实行农林复合经营对土壤化学性质有显著的影响，并因作物的品种而存在差异。
The main drives of succession include canopy density of rubber forest, management, climate, soil condition and the biological properties of vegetation.
演替驱动力主要有：胶林郁闭度、胶林抚育管理措施、气候和土壤条件以及胶林植被本身的生物学特性。
For all the soil and crop management treatments, the total runoff decreased with increasing amounts of fertilizer inputs.
对土壤和作物管理的所有处理来说，总径流量随肥料投入量的增加而降低。
Courses provide a practical knowledge of soil conservation and irrigation management, entomology, landscape design, and the operation of light machinery for cultivating and pruning landscape plants.
课程提供了土壤保护和灌溉管理，昆虫学，景观设计的实用知识，以及轻工机械操作和修剪园林植物技能的培养。
In the soil resource management information system based on GIS, the most basic operations are the operation of map, the attribute data inquiry and statistics and spatial data inquiry as well.
在基于GIS的土壤资源管理信息系统中，最基本的操作是对地图的操作、属性数据的查询和统计以及空间数据的查询。
High rainfall variety and poor management of soil and water are the most important and limiting factors in crop system in this region.
年度降雨分布的极度不均和落后的土壤及水分管理措施是制约该地区农田生产力的主要因素。
At the same site in Indonesia, the amount of runoff was affected by the soil and crop management and fertilizer inputs (Table 3).
在印尼的同一试验点，径流量也受土壤和作物管理和肥料投入的影响(表3)。
At the same site in Indonesia, the amount of runoff was affected by the soil and crop management and fertilizer inputs (Table 3).
在印尼的同一试验点，径流量也受土壤和作物管理和肥料投入的影响(表3)。
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