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Using a systems modeling approach to improve soil management and soil quality

Enli WANG, Di HE, Zhigan ZHAO, Chris J. SMITH, Ben C. T. MACDONALD

《农业科学与工程前沿(英文)》 2020年 第7卷 第3期   页码 289-295 doi: 10.15302/J-FASE-2020337

摘要:

Soils provide the structural support, water and nutrients for plants in nature and are considered to be the foundation of agriculture production. Improving soil quality and soil health has been advocated as the goal of soil management toward sustainable agricultural intensification. There have been renewed efforts to define and quantify soil quality and soil health but establishing a consensus on the key indicators remains difficult. It is argued that such difficulties are due to the former ways of thinking in soil management which largely focus on soil properties alone. A systems approach that treats soils as a key component of agricultural production systems is promoted. It is argued that soil quality must be quantified in terms of crop productivity and impacts on ecosystems services that are also strongly driven by climate and management interventions. A systems modeling approach captures the interactions among climate, soil, crops and management, and their impacts on system performance, thus helping to quantify the value and quality of soils. Here, three examples are presented to demonstrate this. In this systems context, soil management must be an integral part of systems management practices that also include managing the crops and cropping systems under specific climatic conditions, with cognizance of future climate change.

关键词: APSIM     available water capacity     nitrogen management     soil functional properties     soil health     soil-plant modeling    

MICROBIAL NECROMASS WITHIN AGGREGATES STABILIZES PHYSICALLY-PROTECTED C RESPONSE TO CROPLAND MANAGEMENT

《农业科学与工程前沿(英文)》 2023年 第10卷 第2期   页码 198-209 doi: 10.15302/J-FASE-2023498

摘要:

● The contribution of fungal necromass C to SOC increased with aggregate sizes.

关键词: cropland management     microbial necromass     soil aggregates     soil carbon sequestration     soil organic matter    

LARGE-SCALE FARMING BENEFITS SOIL ACIDIFICATION ALLEVIATION THROUGH IMPROVED FIELD MANAGEMENT IN BANANA

《农业科学与工程前沿(英文)》 2023年 第10卷 第1期   页码 48-60 doi: 10.15302/J-FASE-2022475

摘要:

● Large farms had the highest average yield and the least yield variation.

关键词: plantations     land transfer     large-scale farming     nutrient management     soil acidification    

Effect of land-use management systems on coupled physical and mechanical, chemical and biological soilprocesses: how can we maintain and predict soil properties and functions?

Rainer HORN, Winfried E. H. BLUM

《农业科学与工程前沿(英文)》 2020年 第7卷 第3期   页码 243-245 doi: 10.15302/J-FASE-2020334

Novel soil quality indicators for the evaluation of agricultural management practices: a biological perspective

Giulia BONGIORNO

《农业科学与工程前沿(英文)》 2020年 第7卷 第3期   页码 257-274 doi: 10.15302/J-FASE-2020323

摘要:

Developments in soil biology and in methods to characterize soil organic carbon can potentially deliver novel soil quality indicators that can help identify management practices able to sustain soil productivity and environmental resilience. This work aimed at synthesizing results regarding the suitability of a range of soil biological and biochemical properties as novel soil quality indicators for agricultural management. The soil properties, selected through a published literature review, comprised different labile organic carbon fractions [hydrophilic dissolved organic carbon, dissolved organic carbon, permanganate oxidizable carbon (POXC), hot water extractable carbon and particulate organic matter carbon], soil disease suppressiveness measured using a - bioassay, nematode communities characterized by amplicon sequencing and qPCR, and microbial community level physiological profiling measured with MicroResp . Prior studies tested the sensitivity of each of the novel indicators to tillage and organic matter addition in ten European long-term field experiments (LTEs) and assessed their relationships with pre-existing soil quality indicators of soil functioning. Here, the results of these previous studies are brought together and interpreted relative to each other and to the broader body of literature on soil quality assessment. Reduced tillage increased carbon availability, disease suppressiveness, nematode richness and diversity, the stability and maturity of the food web, and microbial activity and functional diversity. Organic matter addition played a weaker role in enhancing soil quality, possibly due to the range of composition of the organic matter inputs used in the LTEs. POXC was the indicator that discriminated best between soil management practices, followed by nematode indices based on functional characteristics. Structural equation modeling shows that POXC has a central role in nutrient retention/supply, carbon sequestration, biodiversity conservation, erosion control and disease regulation/suppression. The novel indicators proposed here have great potential to improve existing soil quality assessment schemes. Their feasibility of application is discussed and needs for future research are outlined.

关键词: labile carbon     long-term field experiments     organic matter addition     soil biological indicators     tillage    

HIGH QUALITY DEVELOPMENTAL APPROACH FOR SOIL AND WATER CONSERVATION AND ECOLOGICAL PROTECTION ON THE

《农业科学与工程前沿(英文)》 2021年 第8卷 第4期   页码 501-511 doi: 10.15302/J-FASE-2021425

摘要:

The Loess Plateau is the core area in the Yellow River basin for implementing environmental protection and high-quality development strategies. A series of ecological projects has implemented aimed at soil and water conservation and ecological management on the Loess Plateau over the past 70 years. The effects of the ecological projects are apparent mainly through a marked increase in vegetation cover, controlled soil erosion and reduced flow of sediment into the Yellow River, continual optimization of the industrial structure and increased production from arable land, poverty alleviation and greater prosperity, and optimal allocation of space for biological organisms. Major problems have also been analyzed in ecological management including the fragile ecosystem of the region, maintaining the stability of vegetation, lower agricultural productivity and continued risk from natural disasters. Some suitable schemes and models have been developed for the coordinated development of the region through research and demonstration, striking the optimum balance between rural industry and ecology, and increased regional capacity to supply high-quality ecological products. Countermeasures to address the problems are suggested to guide ecological management and high-quality development in the future.

 

关键词: ecological management     high quality development     industrial structure     soil erosion     soil and water conservation     Loess Plateau    

HARNESSING ECOLOGICAL PRINCIPLES AND PHYSIOLOGIC MECHANISMS IN DIVERSIFYING AGRICULTURAL SYSTEMS FOR SUSTAINABILITY: EXPERIENCE FROM STUDIES DEPLOYING NATURE-BASED SOLUTIONS IN SCOTLAND

《农业科学与工程前沿(英文)》 2022年 第9卷 第2期   页码 214-237 doi: 10.15302/J-FASE-2021437

摘要:

To achieve the triple challenge of food security, reversing biodiversity declines plus mitigating and adapting to climate change, there is a drive to embed ecological principles into agricultural, value-chain practices and decision-making. By diversifying cropping systems at several scales there is potential to decrease reliance on inputs, provide resilience to abiotic and biotic stress, enhance plant, microbe and animal biodiversity, and mitigate against climate change. In this review we highlight the research performed in Scotland over the past 5 years into the impact of the use of ecological principles in agriculture on sustainability, resilience and provision of ecosystem functions. We demonstrate that diversification of the system can enhance ecosystem functions. Soil and plant management interventions, including nature-based solutions, can also enhance soil quality and utilization of legacy nutrients. Additionally, this is facilitated by greater reliance on soil biological processes and trophic interactions. We highlight the example of intercropping with legumes to deliver sustainability through ecological principles and use legumes as an exemplar of the innovation. We conclude that there are many effective interventions that can be made to deliver resilient, sustainable, and diverse agroecosystems for crop and food production, and these may be applicable in any agroecosystem.

 

关键词: diversification / ecological principles / legumes / plant management / soil management / soil ecosystem services    

A NEW APPROACH TO HOLISTIC NITROGEN MANAGEMENT IN CHINA

《农业科学与工程前沿(英文)》 2022年 第9卷 第3期   页码 490-510 doi: 10.15302/J-FASE-2022453

摘要:

● Progress on nitrogen management in agriculture is overviewed in China.

关键词: 4R technology     food chain N management     N use efficiency     soil-crop system     sustainable management    

Producing more with less: reducing environmental impacts through an integrated soil-crop system management

Zhenling CUI, Zhengxia DOU, Hao YING, Fusuo ZHANG

《农业科学与工程前沿(英文)》 2020年 第7卷 第1期   页码 14-20 doi: 10.15302/J-FASE-2019295

摘要:

Balancing crop productivity with resource use efficiency and beneficial environmental consequences is essential for sustainable agricultural development worldwide. Various strategies and approaches have been proposed and debated, but turning the concept into management practices in the field with measurable outcomes over several scales remains a challenge. An innovative approach, Integrated Soil-Crop System Management (ISSM), for producing more grain with greater nutrient use efficiencies and less environmental pollution is presented. The ISSM approach has been used in China, in field experiments as well as in thousands of farmer fields, to substantially increase the yields of maize, rice and wheat while simultaneously increasing nitrogen use efficiency and reducing environmental footprints. The scientific principle, implementation strategy and procedures of ISSM are discussed and examples of its demonstrated successes at local and regional levels across China are given. Perspectives for further development of ISSM and expanding its potential impact are also proposed and discussed.

关键词: China     environmental protection     food security     high-yielding     nitrogen management    

Agricultural extension approach: evidence from an Integrated Soil Fertility Management Project in Ethiopia

Gerba LETA, Steffen SCHULZ, Girum GETACHEW ALEMU

《农业科学与工程前沿(英文)》 2020年 第7卷 第4期   页码 427-439 doi: 10.15302/J-FASE-2020331

摘要:

Agricultural extension is an approach to rural development and agricultural transformation in which training, demonstration and technology transfer are key to reducing rural poverty, ensuring food security, and sustainably managing natural resources. During recent decades, different extension approaches have been tested and validated by the Ethiopian government and non-governmental organizations to stimulate in the agricultural extension system (AES). The most recent was a German-funded project entitled “Integrated Soil Fertility Management Project” (ISFM ), which employed a novel approach to piloting and upscaling proven technology and best practice. The purpose of this study was to analyze and document the modalities of ISFM and illustrate its effects on technology uptake and dissemination. The study used a mixed methods approach to collect data. ATLAS.ti and SPSS were used for data management and analysis. Farmer Research and Extension Groups and Farmer Field Schools were found to be central to the participation process. Also, the ISFM was found to aid technology transfer and helped to increase grain and residue yields as well as farmer livelihoods. Based on these empirical findings, it is argued that the ISFM approach and technology should be integrated and institutionalized in the mainstream AES in order to promote their extensive application.

关键词: Ethiopia     Farmer Field School     Farmer Research and Extension Group     governance     institutionalization     ISFM+ ambassador     participation    

An integrated approach to site-specific management zone delineation

Yuxin MIAO, David J. MULLA, Pierre C. ROBERT

《农业科学与工程前沿(英文)》 2018年 第5卷 第4期   页码 432-441 doi: 10.15302/J-FASE-2018230

摘要:

Dividing fields into a few relatively homogeneous management zones (MZ) is a practical and cost-effective approach to precision agriculture. There are three basic approaches to MZ delineation using soil and/or landscape properties, yield information, and both sources of information. The objective of this study is to propose an integrated approach to delineating site-specific MZ using relative elevation, organic matter, slope, electrical conductivity, yield spatial trend map, and yield temporal stability map (ROSE-YSTTS) and evaluate it against two other approaches using only soil and landscape information (ROSE) or clustering multiple year yield maps (CMYYM). The study was carried out on two no-till corn-soybean rotation fields in eastern Illinois, USA. Two years of nitrogen (N) rate experiments were conducted in Field B to evaluate the delineated MZs for site-specific N management. It was found that in general the ROSE approach was least effective in accounting for crop yield variability (8.0%–9.8%), while the CMYYM approach was least effective in accounting for soil and landscape (8.9%–38.1%), and soil nutrient and pH variability (9.4%–14.5%). The integrated ROSE-YSTTS approach was reasonably effective in accounting for the three sources of variability (38.6%–48.9%, 16.1%–17.3% and 13.2%–18.7% for soil and landscape, nutrient and pH, and yield variability, respectively), being either the best or second best approach. It was also found that the ROSE-YSTTS approach was effective in defining zones with high, medium and low economically optimum N rates. It is concluded that the integrated ROSE-YSTTS approach combining soil, landscape and yield spatial-temporal variability information can overcome the weaknesses of approaches using only soil, landscape or yield information, and is more robust for MZ delineation. It also has the potential for site-specific N management for improved economic returns. More studies are needed to further evaluate their appropriateness for precision N and crop management.

关键词: economically optimum nitrogen rate     fuzzy cluster analysis     precision nitrogen management     site-specific management     soil landscape property     yield map    

农田土壤抗生素污染管控建议

王娜,郭欣妍,单正军,蔡道基

《中国工程科学》 2021年 第23卷 第1期   页码 167-173 doi: 10.15302/J-SSCAE-2021.01.023

摘要:

抗生素在畜禽养殖业中发挥了重要保障作用,但畜禽粪便农用后伴生的抗生素耐药性传播风险日益显现,农田土壤抗生素及其耐药基因的风险管控工作亟待开展。本文总结了农田土壤中抗生素的污染现状,梳理了农田土壤中新兴污染物抗生素管控存在的问题,提出了农田土壤抗生素及其耐药基因的风险管控建议。研究发现,农田土壤抗生素及其耐药基因的污染风险不可忽视,但抗生素类新兴污染物尚未纳入土壤风险管控范围内。应设立严格的兽药应用监管机制,从养殖源头扼制风险的发生概率;制定有机肥中反映耐药性的控制标准,出台技术指南以规范含抗生素粪便的处置与施用,减少抗生素耐药基因进入环境的总量。同时加紧开展环境抗生素耐药性产生和转移的人类健康风险评估研究,实施农田土壤环境抗生素耐药常规监测,发挥风险评估在该类污染物风险管控工作中的作用。

关键词: 抗生素     耐药基因     农田土壤     传播风险     管控对策    

Effects of riparian vegetation patterns on the distribution and potential loss of soil nutrients: a case

Erhui GUO,Liding CHEN,Ranhao SUN,Zhaoming WANG

《环境科学与工程前沿(英文)》 2015年 第9卷 第2期   页码 279-287 doi: 10.1007/s11783-014-0667-8

摘要: A riparian ecosystem is an ecological transition zone between a river channel and terrestrial ecosystems. Riparian ecosystems play a vital role in maintaining stream health and bank stabilization. The types of riparian vegetation have changed greatly because of human activities along the Wenyu River. This study examines the impact of riparian vegetation patterns on water pollution due to soil nutrient loss. Four riparian vegetation patterns from the river channel to the upland were chosen as the focus of this study: grassland, cropland, grassland-cropland, and grassland-manmade lawn. The different distributions of soil nutrients along vegetation patterns and the potential risk of nutrient loss were observed and compared. The results showed that riparian cropland has the lowest value of total nitrogen (TN), total phosphorus (TP), available nitrogen (AN), available phosphorus (AP), and organic matter (OM), but it has the highest soil bulk density (BD). The distributions of soil TN, TP, AN, AP, and OM exhibited a declining trend from the upland toward the river channel for riparian cropland, whereas a different trend was observed for the riparian grassland. The vegetation patterns of grassland-cropland and grassland-manmade lawn show that the grassland in the lower slope has more nutrients and OM but lower soil BD than the cropland or manmade lawn in the upper slope. So, the lower-slope grassland may intercept and infiltrate surface runoff from the upland. The lower-slope grassland has higher levels of soil TN, TP, AN, and AP, and thus it may become a new source of nutrient loss. Our results suggest that the management of the riparian vegetation should be improved, particularly in densely populated areas, to control soil erosion and river pollution.

关键词: riparian     vegetation patterns     soil nutrient distribution     nutrient loss     management    

New approaches for evaluation of soil health, sensitivity and resistance to degradation

Yakov KUZYAKOV, Anna GUNINA, Kazem ZAMANIAN, Jing TIAN, Yu LUO, Xingliang XU, Anna YUDINA, Humberto APONTE, Hattan ALHARBI, Lilit OVSEPYAN, Irina KURGANOVA, Tida GE, Thomas GUILLAUME

《农业科学与工程前沿(英文)》 2020年 第7卷 第3期   页码 282-288 doi: 10.15302/J-FASE-2020338

摘要:

Assessment of soil health requires complex evaluation of properties and functions responsible for a broad range of ecosystem services. Numerous soil quality indices (SQI) have been suggested for the evaluation of specific groups of soil functions, but comparison of various SQI is impossible because they are based on a combination of specific soil properties. To avoid this problem, we suggest an SQI-area approach based on the comparison of the areas on a radar diagram of a combination of chemical, biological and physical properties. The new approach is independent of the SQI principle and allows rapid and simple comparison of parameter groups and soils. Another approach analyzing the resistance and sensitivity of properties to degradation is suggested for a detailed evaluation of soil health. The resistance and sensitivity of soil properties are determined through comparison with the decrease of soil organic carbon (SOC) as a universal parameter responsible for many functions. The SQI-area and resistance/sensitivity approaches were tested based on the recovery of Phaeozems and Chernozems chronosequences after the abandonment of agricultural soils. Both the SQI-area and the resistance/sensitivity approaches are useful for basic and applied research, and for decision-makers to evaluate land-use practices and measure the degree of soil degradation.

关键词: ecosystem stability     land quality     land degradation     soil health     soil management     soil organic matter    

Managing nutrient for both food security and environmental sustainability in China: an experiment for the world

Fusuo ZHANG, Zhenling CUI, Weifeng ZHANG

《农业科学与工程前沿(英文)》 2014年 第1卷 第1期   页码 53-61 doi: 10.15302/J-FASE-2014006

摘要: The challenges of how to simultaneously ensure global food security, improve nitrogen use efficiency (NUE) and protect the environment have received increasing attention. However, the dominant agricultural paradigm still considers high yield and reducing environmental impacts to be in conflict with one another. Here we examine a Three-Step-Strategy of past 20 years to produce more with less in China, showing that tremendous progress has been made to reduce N fertilizer input without sacrificing crop yield. The first step is to use technology for in-season root-zone nutrient management to significantly increase NUE. The second is to use technology for integrated nutrient management to increase both yield and NUE by 15%–20%. The third step is to use technology for integrated soil-crop system management to increase yield and NUE by 30%–50% simultaneously. These advances can thus be considered an effective agricultural paradigm to ensure food security, while increasing NUE and improving environmental quality.

关键词: integrated nutrient management     integrated soil-crop system management     environmental protection     food security     resource use efficiency    

标题 作者 时间 类型 操作

Using a systems modeling approach to improve soil management and soil quality

Enli WANG, Di HE, Zhigan ZHAO, Chris J. SMITH, Ben C. T. MACDONALD

期刊论文

MICROBIAL NECROMASS WITHIN AGGREGATES STABILIZES PHYSICALLY-PROTECTED C RESPONSE TO CROPLAND MANAGEMENT

期刊论文

LARGE-SCALE FARMING BENEFITS SOIL ACIDIFICATION ALLEVIATION THROUGH IMPROVED FIELD MANAGEMENT IN BANANA

期刊论文

Effect of land-use management systems on coupled physical and mechanical, chemical and biological soilprocesses: how can we maintain and predict soil properties and functions?

Rainer HORN, Winfried E. H. BLUM

期刊论文

Novel soil quality indicators for the evaluation of agricultural management practices: a biological perspective

Giulia BONGIORNO

期刊论文

HIGH QUALITY DEVELOPMENTAL APPROACH FOR SOIL AND WATER CONSERVATION AND ECOLOGICAL PROTECTION ON THE

期刊论文

HARNESSING ECOLOGICAL PRINCIPLES AND PHYSIOLOGIC MECHANISMS IN DIVERSIFYING AGRICULTURAL SYSTEMS FOR SUSTAINABILITY: EXPERIENCE FROM STUDIES DEPLOYING NATURE-BASED SOLUTIONS IN SCOTLAND

期刊论文

A NEW APPROACH TO HOLISTIC NITROGEN MANAGEMENT IN CHINA

期刊论文

Producing more with less: reducing environmental impacts through an integrated soil-crop system management

Zhenling CUI, Zhengxia DOU, Hao YING, Fusuo ZHANG

期刊论文

Agricultural extension approach: evidence from an Integrated Soil Fertility Management Project in Ethiopia

Gerba LETA, Steffen SCHULZ, Girum GETACHEW ALEMU

期刊论文

An integrated approach to site-specific management zone delineation

Yuxin MIAO, David J. MULLA, Pierre C. ROBERT

期刊论文

农田土壤抗生素污染管控建议

王娜,郭欣妍,单正军,蔡道基

期刊论文

Effects of riparian vegetation patterns on the distribution and potential loss of soil nutrients: a case

Erhui GUO,Liding CHEN,Ranhao SUN,Zhaoming WANG

期刊论文

New approaches for evaluation of soil health, sensitivity and resistance to degradation

Yakov KUZYAKOV, Anna GUNINA, Kazem ZAMANIAN, Jing TIAN, Yu LUO, Xingliang XU, Anna YUDINA, Humberto APONTE, Hattan ALHARBI, Lilit OVSEPYAN, Irina KURGANOVA, Tida GE, Thomas GUILLAUME

期刊论文

Managing nutrient for both food security and environmental sustainability in China: an experiment for the world

Fusuo ZHANG, Zhenling CUI, Weifeng ZHANG

期刊论文