Integrated Soil Fertility Management (ISFM) [埃塞俄比亚]
- 创建:
- 更新:
- 编制者: GERBA LETA
- 编辑者: Noel Templer, Julia Doldt, Torben Helbig, Tabitha Nekesa, Ahmadou Gaye, Siagbé Golli
- 审查者: William Critchley, Rima Mekdaschi Studer, Sally Bunning
Qindoomina Misooma Gabbina Biyyee (Afaan Oromoo) /Yeteqenaje ye Afer Limat (Amharic)
approaches_6732 - 埃塞俄比亚
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全部展开 全部收起1. 一般信息
1.2 参与方法评估和文件编制的资源人员和机构的联系方式
有助于对方法进行记录/评估的项目名称(如相关)
Soil protection and rehabilitation for food security (ProSo(i)l)有助于对方法进行记录/评估的机构名称(如相关)
Alliance Bioversity and International Center for Tropical Agriculture (Alliance Bioversity-CIAT) - 肯尼亚1.3 关于使用通过WOCAT记录的数据的条件
(现场)数据是什么时候汇编的?:
07/02/2023
编制者和关键资源人员接受有关使用通过WOCAT记录数据的条件。:
是
1.4 SLM技术问卷的参考
Treating acid soils with lime [埃塞俄比亚]
Acidic soils deprive crops of their full nutrient absorption capacity. Lime application to these soil makes them less acidic. It breaks the barrier that fixes nutrients and ensures crops access to vital soil nutrients that unleash their productivity potential.
- 编制者: GERBA LETA
Crop Residue Management [埃塞俄比亚]
Crop residue management involves leaving stover and other trash from cereal crops (including tef, wheat and maize), as well as haulms of legumes, in the field. Crop residues keep the soil covered, retain organic matter and moisture in the soil, and help to ensure better production.
- 编制者: GERBA LETA
Green Manures [埃塞俄比亚]
Green manures are fast-growing legumes sown in a field, weeks or even months before the main crop is planted. These are plants that are deliberately grown for incorporation into the soil to improve fertility and organic matter content.
- 编制者: GERBA LETA
Cover crops [埃塞俄比亚]
Cover crops are crops grown on bare, fallow farmland or under a main crop to cover and conserve the soil by protecting it from exposure to the sun, wind, and direct impact of rain. It fixes nitrogen (if a legume), improves soil fertility, supplies livestock fodder, and helps manage both …
- 编制者: GERBA LETA
Relay Intercropping [埃塞俄比亚]
Intercropping is the growing of two or more crops on the same piece of land at the same time or in temporal sequence. Relay intercropping usually involves planting a legume into an established cereal crop. This farming practice has multiple benefits and is a popular among smallholders in Wolaita zone …
- 编制者: GERBA LETA
Livestock Urine Collection and Use [埃塞俄比亚]
Collection of livestock urine allows resource-poor farmers to capture nutrient-rich livestock waste and use it to substitute urea fertilizer. It is a liquid organic product that restores soil fertility and pest management.
- 编制者: GERBA LETA
Vermicomposting [埃塞俄比亚]
Vermicompost is the product of the decomposition process using various species of earthworms. It is a form of humus and is produced through worms digesting and excreting organic in their casts. Vermicompost has been shown to be an effective organic soil amendment, reducing the need for inorganic fertilizers.
- 编制者: GERBA LETA
Bioslurry [埃塞俄比亚]
Bioslurry is a byproduct of the anaerobic process used for production of methane (biogas). It is derived from the manure used to feed the biodigester. Bioslurry is an organic fertilizer that serves as a replacement for chemical fertilizers, and also plays a pesticidal role.
- 编制者: GERBA LETA
2. SLM方法的描述
2.1 该方法的简要说明
The Integrated Soil Fertility Management (ISFM) approach has been adopted under the Integrated Soil Fertility Management Project (ISFM+). It was introduced as a quick-win solution to increase both crop and biomass production through the incremental promotion of varied but complementary technology packages.
2.2 该方法的详细说明
该方法的详细说明:
The Integrated Soil Fertility Management (ISFM) approach is intended to increase both crop and biomass production through the incremental promotion of varied but complementary technology packages. These include the production and use of organic fertilizers, treatment of soil acidity, and improved retention of crop residue. All help in reducing the depletion (mining) of soil nutrients. One characteristic feature is the engagement of research and development partners at all levels such as in joint problem identification, learning, participatory planning, piloting technology, and exchange visits. The approach involves model farmers and also focuses on farmers with limited means to purchase chemical fertilizers. It enhances the production of organic fertilizers to increase both soil fertility and crop productivity. Furthermore, ISFM enables farmers to generate off-farm and on-farm income through the production and sale of organic fertilizers, vermiworms, and green manure seeds, etc. The partners assist in identifying soil-related issues, as well as enhancing the adoption and institutionalization of the approach. ISFM aims to improve stakeholders' understanding of land degradation issues and the necessity of SLM by creating access to relevant seasonal training, exposure visits, collective learning, and action.
Project focal persons representing partners at different levels and development agents (DAs) are used to facilitate the process and serve as potential links with stakeholders. At the local level, the Farmers Research and Extension Group (FREG) sub-approach supports the implementation of the technologies on an incremental basis (see WOCAT database). Also, the Soil Fertility Improvement Cluster approach (see WOCAT database) assists in scaling out of the ISFM approach by adopting and superimposing technologies such as vermicompost with improved compost production. Farmer ambassadors are identified from the FREG model based on their performance. They assist in mainstreaming and dissemination of the approach and technologies to indirect beneficiaries. The implementation process of the ISFM involves district and kebele selection, identification of watersheds and voluntary farmers, provision of capacity-building training, conducting participatory planning, supplying inputs, and technical support. To realize the aims, the ISFM+ allocates financial support to the partners at different levels via Local Subsidy Contract.
Project staff including federal and regional advisors are involved. They provide training, technical backstopping, reviewing progress, M&E, and feedback services. District focal person closely follows up on the implementation - with the support of DAs in steering farmers' group meetings and collective learning. In addition, DAs assist in piloting on farm short and long-term demonstrations, organizing field days and exchange visits, collecting data, and overseeing activities.
Land users like the technologies introduced and implemented via the ISFM approach. The promotion of collective learning and action leads to increased soil fertility, and improved crop production and smallholders' livelihoods. The creation of new sources of income for land users is among the benefits they appreciate the most. However, farmers are less enthusiastic by the way that group meetings clash with their other activities and this leads to some members dropping out. Also, the cost of technologies promoted by the ISFM such as combined uses of chemical fertilizers, bio-fertilizers (for legumes), organic fertilizers, and quality seeds are envisaged as a possible constraint among others.
2.3 该方法的照片
2.4 该方法的视频
注释、简短说明:
Video of the approach is not documented.
2.5 采用该方法的国家/地区/地点
国家:
埃塞俄比亚
有关地点的进一步说明:
Addis Ababa
注释:
The approach is currently applied in three to four regional states of Ethiopia.
Map
×2.6 该方法的开始和终止日期
注明开始年份:
2015
若不知道准确的年份,请注明该方法的大致开始日期。:
不到10年前(最近)
终止年份(若不再采用该方法):
2025
注释:
The project will be operational up to 2025.
2.7 方法的类型
- 基于项目/方案
2.8 该方法的主要目的/目标
The main objective of the approach is to promote the integration of technologies, collective learning, and action for treating degraded soil, increasing soil fertility and crop productivity while ensuring sustainable uses of land.
2.9 推动或妨碍实施本办法所适用的技术的条件
财务资源和服务的可用性/可得性
- 启动
Access to financial resources improved farmers' access to materials and inputs on their own. This promotes the adoption and scaling up of the technology using ISFM approach.
机构设置
- 启动
Institutional setting such as farmers' group formation promotes collective learning and action.
参与者的的协作/协调
- 启动
Is central to promoting effective implementation of the approach that entails various research and development actors.
政策
- 启动
Such as adopting lime production, distribution and use policy enables successful implementation of the approach.
了解SLM,获得技术支持
- 启动
市场(购买投入,销售产品)和价格
- 启动
工作量、人力资源可用性
- 启动
Family labor enables production of organic fertilizers and effective implementation of lime and other technologies which are labor intensive.
3. 相关利益相关者的参与和角色
3.1 该方法涉及的利益相关者及其职责
- 当地土地使用者/当地社区
Model farmers, and other smallholders (followers).
Lead group meeting, facilitate collective learning and action based on the pilot practices/activities.
- SLM专家/农业顾问
Focal persons and experts from soil fertility improvement /extension unit of the district.
Facilitate implementation of the technology via the approach, and serve as a link between stakeholders.
- 研究人员
Soil researchers from Regional Research Institutes, and respective technologies.
Soil testing, production of bio fertilizer, and supporting the different technologies with research findings.
- NGO
SNV Ethiopia, Nutrition Sensitive Agriculture, and other GIZ projects.
Integration of efforts such as on biogas/bioslurry production and other respective project implementation activities.
- 私营部门
Agro dealers, and other services providers
Facilitate the distribution of lime and improved seeds, provide services on mechanization such as maintenance, etc.
- 地方政府
District office of agriculture, and woreda administration.
Partnerships, acknowledge implementation of the project and provide administrative support when required.
- 国家政府(规划者、决策者)
Ministry of Agriculture and Research System.
Support in mainstreaming the technology and approach, policy formulation and research support testing soil and tools...
- 国际组织
CIAT, CIMMYT, ICRISAT...
Provide research and technical support in joint areas of intervention.
如果涉及多个利益相关者,请注明领导机构:
Integrated Soil Fertility Management Project (ISFM+).
3.2 当地土地使用者/当地社区参与该方法的不同阶段
当地土地使用者/当地社区的参与 | 指定参与人员并描述活动 | |
---|---|---|
启动/动机 | 外部支持 | District focal person and development agents. Facilitate the implementation right from awareness raising, farmers' group formation, training, supply inputs, and technically support the implementation. |
计划 | 互动 | Regional advisor, focal persons, and the farmers. Each engaged in a participatory planning exercise. |
实施 | 互动 | Farmers, focal persons, and development agents. Farmers implement the technologies being guided by the approach. Whereas, the focal person and development agents oversee and provide technical support. |
监测/评估 | 互动 | Focal person, development agents, and land users. They conduct participatory M&E to ensure collective learning. |
3.3 流程图(如可用)
具体说明:
ISFM approach that run from the federal to kebele where FREG is the pillar approach serving the land users as a platform for collective learning and action at local level.
作者:
Gerba Leta
3.4 有关SLM技术选择的决策
具体说明谁有权决定选择要实施的技术:
- 主要是土地使用者,由SLM专家提供支持
明确做出决策的依据:
- 对充分记录的SLM知识进行评估(基于证据的决策)
- 研究结果
- 个人经验和意见(无记录)
4. 技术支持、能力建设和知识管理
4.1 能力建设/培训
是否为土地使用者/其他利益相关者提供培训?:
是
明确受训人员:
- 土地使用者
- 现场工作人员/顾问
如果相关,请说明性别、年龄、地位、种族等。:
One-third of the land users represented by female farmers.
培训形式:
- 在职
- 农民对农民
- 示范区域
- 公开会议
涵盖的主题:
Soil degradation, rehabilitation of the degraded soil using different technologies and agronomic practices notably lime, organic fertilizers, bio fertilizer, crop residue management, mixed cropping, green manuring, application of minimum tillage practices, etc.
4.2 咨询服务
土地使用者有权使用咨询服务吗?:
是
指明是否提供了咨询服务:
- 在土地使用者的土地上
- 在固定中心
说明/注释:
Advisory services are provided by the focal person and development agents at Farmers Training Center and on the farmers' field.
4.3 机构强化(组织发展)
是否通过这种方法建立或加强了机构?:
- 是,适度
具体说明机构的强化或建立程度:
- 本地
说明机构、角色和职责、成员等。:
Farmers Research and Extension Group (FREG) has been established at the local level and has been serving as an approach at the local level. It has been serving as a local platform that brings members of the farmers' group together in participatory planning and joint learning of the technologies piloted on the farmer's field and short and long-term demonstrations.
具体说明支持类型:
- 财务
- 能力建设/培训
- 设备
提供进一步细节:
The project provides financial support through the Local Subsidy Contract. Capacity building is central to the implementation of the project. Farm tools as an incentive for the best-performing farmers and on-field soil testing equipment are provided to support the partner organizations scaling out the implementation of ISFM.
4.4 监测和评估
监测和评估是该方法的一部分吗?:
是
注释:
Monitoring and evaluation is the pillar of the project activities and the adopted approach. The project along with implementing partners pilot short-term and long-term demonstrations, monitor the progress, and evaluate the achievements. Therefore, M&E is a regular activity in which the federal and regional project advisors rely on to generate feedbacks to amend or improve the implementation of the project activities.
若是,该文件是否用于监测和评估?:
是
注释:
This document can simultaneously be used for documenting the approach and monitoring and evaluation.
4.5 研究
研究是该方法的一部分吗?
是
明确话题:
- 技术
提供进一步的细节,并指出是谁做的研究:
The research targets the feasibility of the technologies introduced via the ISFM approach and the project itself. The role of integrating different technology packages in improving soil fertility and crop productivity is also among the focuses of the research.
5. 融资和外部物质支持
5.1 该方法中SLM组成部分的年度预算
如果不知道准确的年度预算,请给出一个范围:
- 2,000-10,000
注释(例如主要的资助来源/主要捐助者):
ISFM+ is the source of the budget. A local Subsidy Contract (LSC) has been provided to partner organizations to effectively implement and follow up the activities with an additional allocation of finance for inputs and services.
5.2 为土地使用者提供财政/物质支援
土地使用者是否获得实施该技术的财政/物质支持?:
是
如果是,请具体说明支持的类型、条件和提供者:
The project introduces technologies, provides inputs (improved seeds, chemical fertilizers, lime), and seldom supplies farm tools for a few well-performing models as an incentive.
5.3 对特定投入的补贴(包括劳动力)
- 无
- 农业
具体说明哪些投入得到了补贴 | 程度如何 | 对补贴做出具体说明 |
---|
5.4 信用
是否根据SLM活动的方法给予信用值?:
否
5.5 其它激励或手段
是否有其他激励措施或工具用于促进SLM技术的实施?:
是
如果是,请具体说明:
Farm tools for outstanding farmers as well as a solar panel for residents in a rural setting as an incentive for well-performing in adopting the approach and proper implementation of the project.
6. 影响分析和结论性陈述
6.1 方法的影响
该方法是否有助于当地土地使用者,提高利益相关者的参与度?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
Land users learned the benefit of integrating three or more technologies/practices to improve soil fertility, and crop productivity and ensure the SLM is being in place.
这种方法是否有助于基于证据的决策?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
The approach certainly enables evidence-based decision-making by comparing the yield from the plots with treatment (technology packages) versus the control (without full packages).
该方法是否帮助土地使用者实施和维护SLM技术?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
The combination of three or more technologies, all in one inspires the land users to adopt and sustainably implement the SLM technologies.
该方法是否提高了SLM的协调性和成本效益?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
Coordination at a local level is not up to the expectation.
该方法是否调动/改善了使用财务资源实施SLM的途径?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
该方法是否提高了土地使用者实施土地管理的知识和能力?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
It improves the knowledge and skills of land users to implement SLM by promoting collective learning and action that highly increases peer learning through observation and social learning.
该方法是否提高了其他利益相关者的知识和能力?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
It impacts or improves the knowledge and skills of indirect beneficiaries through farmer's ambassadors.
该方法是否建立/加强了机构、利益相关者之间的合作?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
It strengthens the inter-farmers collaboration and coordination that is seldom constrained by the overlaps with local activities such as public meetings and other communal affairs mostly known as new arrivals.
该方法是否缓解了冲突?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
该方法是否有助于社会和经济弱势群体?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
Farmers who have no financial means to access and use chemical fertilizers and other inputs involved via the approach.
该方法是否改善了性别平等并赋予女性权力?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
One-third of a member of the farmers' group are women farmers- a signal for improvement of participation by gender.
该方法是否鼓励年轻人/下一代土地使用者参与SLM?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
There is an assumption that young people learn from the family and neighbors who engaged in the implementation of the approach. This certainly inspires the young generation to take up and implement SLM activities.
该方法是否改善了阻碍SLM技术实施的土地使用权/用户权问题?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
该方法是否改善了粮食安全/改善了营养?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
Through promoting technologies/practices that improve production and productivity. By promoting legumes crop production using biofertilizers and as part of intercropping practices that ensure the nutrition security of the family farmers.
该方法是否改善了市场准入?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
It improves participants' access to the inputs market (selling organic fertilizers, green manure seeds, vermiworms, and surplus products).
该方法是否改善了供水和卫生条件?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
该方法是否带来了更可持续的能源使用?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
Mainly through supporting biogas/bioslurry technology, and the introduction of woodlots to family farmers via agroecology projects that adopt a similar approach.
该方法是否提高了土地使用者适应气候变化/极端情况和减轻气候相关灾害的能力?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
This is partly through adopting minimum tillage practices, crop residue management, and the production and use of organic fertilizers that reduce carbon emissions and foster carbon sequestration.
该方法是否会带来就业、收入机会?:
- 否
- 是,很少
- 是,中等
- 是,支持力度很大
It creates income opportunities by promoting surplus production, production, and sale of organic fertilizers, vermiworms, and green manure seeds.
6.2 土地使用者实施SLM的主要动机
- 增加生产
Integration of practices particularly treating the soil with lime and intensive production and use of organic fertilizers introduced through ISFM increase production.
- 减少土地退化
Integration of SLM technologies/practices acquired through the application of the approach mitigated the degree of land degradation at the farm level.
- 环境意识
Through the provision of training, demonstration, and exchange visit... the approach promotes land users' consciousness regarding the environment.
- 提高SLM知识和技能
The approach allows farmers to understand well the essence of SLM through evidence-based implementation and learning that promote their knowledge and skills.
6.3 方法活动的可持续性
土地使用者能否维持通过该方法实施的措施(无外部支持的情况下)?:
- 是
若是,请说明如何维持:
As the production of organic fertilizers adopted on an individual basis and tangible benefit acquired from the implementation of the integrated approach introduced via the approach as well as the increasingly growing supply of lime for acid soil amendments similar to other chemical fertilizers, the likelihood of sustaining the approach for implementing integrated technologies is inevitable. Besides, the public organizations for instance bureaus of Agriculture and line offices such as in west Oromia of Jimma and Buno-Bedele zones institutionalized the production and uses of organic fertilizers via huge investments in establishing vermiculture centers to reach out to the large majority of smallholders subjected to soil degradation issues.
6.4 该方法的长处/优点
土地使用者眼中的长处/优势/机会 |
---|
It promotes collective learning and action among smallholders living in a homogenous landscape facing similar land/soil degradation issues. |
It enhances soil fertility and soil health by introducing integrated technologies and creating evidence-based learning. |
Gain widespread publicity that allows the public and land users to build trust in the approach and component technologies that positively impact the livelihood of smallholders and the land in general. |
编制者或其他关键资源人员认为的长处/优势/机会 |
---|
The approach has been adopted and institutionalized within the government's mainstream rural development and agricultural extension. |
The project and the implementation approach are in line with the government's short and long-term plan to ensure the food and nutrition security of the nations while conserving natural resource basis. |
Integration is basic to address the nexus of issues that combine knowledge and skills development, the introduction of important agricultural inputs, technologies, or practices, all in one. |
6.5 该方法的弱点/缺点以及克服它们的方法
土地使用者认为的弱点/缺点/风险 | 如何克服它们? |
---|---|
Integrating technologies/practices and inputs via the approach has cost implications. | Promote the land user's awareness of the cost-benefit of adopting the approach and introduction of subsidy to some inputs such as agriculture lime for acid soil amendments. |
The approach drives labor-demanding technologies and practices. | Promote collective action through adopting labor share arrangements as well as efficiently use family labor for follow-up of the production of organic fertilizers by task sharing. |
The high investment cost for some technologies is promoted by the approach. | Enable land users to make the right choices of diverse technologies catered through the project and the adopted approach. |
Delay in supply of agricultural inputs such as agricultural lime | Encourage private sectors involvement or the agro dealers in the supply of the agricultural inputs. |
编制者或其他关键资源人员认为的弱点/缺点/风险 | 如何克服它们? |
---|---|
The limited scope of the project implementation sites. | To try to reach out to similar landscapes with similar land degradation issues including the marginal regions. Or else, institutionalize the approach at the national level so that the public sector takes up and popularizes it in areas with similar problems. |
The collaboration and collective action at local levels through the existing platform is staggered by new arrivals and other local administrative chores. | Local government actors and partners need to be well aware and give due emphasis beyond considering the intervention implemented through ISFM as merely project activities that usually come and go. |
7. 参考和链接
7.1 方法/信息来源
- 与土地使用者的访谈
8
- 与SLM专业人员/专家的访谈
5
7.2 参考可用出版物
标题、作者、年份、ISBN:
Leta, G., Schulz, S., Alemu, G. 2020. Agricultural extension approach: evidence from an Integrated Soil Fertility Management project in Ethiopia. Frontiers of Agricultural Science and Engineering, 7(4): 1-13. DOI: 10.15302/J-FASE-2020331
可以从哪里获得?成本如何?
Free online
7.3 链接到网络上可用的相关信息
标题/说明:
Integrated Soil Fertility Management
URL:
https://ifdc.org/integrated-soil-fertility-management-isfm/
链接和模块
全部展开 全部收起链接
Treating acid soils with lime [埃塞俄比亚]
Acidic soils deprive crops of their full nutrient absorption capacity. Lime application to these soil makes them less acidic. It breaks the barrier that fixes nutrients and ensures crops access to vital soil nutrients that unleash their productivity potential.
- 编制者: GERBA LETA
Crop Residue Management [埃塞俄比亚]
Crop residue management involves leaving stover and other trash from cereal crops (including tef, wheat and maize), as well as haulms of legumes, in the field. Crop residues keep the soil covered, retain organic matter and moisture in the soil, and help to ensure better production.
- 编制者: GERBA LETA
Green Manures [埃塞俄比亚]
Green manures are fast-growing legumes sown in a field, weeks or even months before the main crop is planted. These are plants that are deliberately grown for incorporation into the soil to improve fertility and organic matter content.
- 编制者: GERBA LETA
Cover crops [埃塞俄比亚]
Cover crops are crops grown on bare, fallow farmland or under a main crop to cover and conserve the soil by protecting it from exposure to the sun, wind, and direct impact of rain. It fixes nitrogen (if a legume), improves soil fertility, supplies livestock fodder, and helps manage both …
- 编制者: GERBA LETA
Relay Intercropping [埃塞俄比亚]
Intercropping is the growing of two or more crops on the same piece of land at the same time or in temporal sequence. Relay intercropping usually involves planting a legume into an established cereal crop. This farming practice has multiple benefits and is a popular among smallholders in Wolaita zone …
- 编制者: GERBA LETA
Livestock Urine Collection and Use [埃塞俄比亚]
Collection of livestock urine allows resource-poor farmers to capture nutrient-rich livestock waste and use it to substitute urea fertilizer. It is a liquid organic product that restores soil fertility and pest management.
- 编制者: GERBA LETA
Vermicomposting [埃塞俄比亚]
Vermicompost is the product of the decomposition process using various species of earthworms. It is a form of humus and is produced through worms digesting and excreting organic in their casts. Vermicompost has been shown to be an effective organic soil amendment, reducing the need for inorganic fertilizers.
- 编制者: GERBA LETA
Bioslurry [埃塞俄比亚]
Bioslurry is a byproduct of the anaerobic process used for production of methane (biogas). It is derived from the manure used to feed the biodigester. Bioslurry is an organic fertilizer that serves as a replacement for chemical fertilizers, and also plays a pesticidal role.
- 编制者: GERBA LETA
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