1.2 参与该技术评估和文件编制的资源人员和机构的联系方式

有助于对技术进行记录/评估的项目名称（如相关）

Book project: SLM in Practice - Guidelines and Best Practices for Sub-Saharan Africa (SLM in Practice)

有助于对技术进行记录/评估的机构名称（如相关）

Universität Bayreuth (UBT) - 德国

有助于对技术进行记录/评估的机构名称（如相关）

Julius-Maximilians-Universität Würzburg (JMU) - 德国

1.3 关于使用通过WOCAT记录的数据的条件

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

2.1 技术简介

技术定义:

The Chagga homegardens are traditional, densely planted ‘banana forests’ with a scattered upper tree layer.

2.2 技术的详细说明

说明:

The complex multicropping system evolved over several centuries through a gradual transformation of the natural forest on the footslopes of Kilimanjaro. A Chagga homegarden has an average size of 0.68 ha and integrates numerous multipurpose trees and shrubs with food crops, and stall-fed animals, without a specific spatial arrangement. However, vertically, the following 4 stories/canopies can be distinguished: (1) food crops: taro, beans, vegetables and fodder herbs / grasses; (2) coffee: 500-1,400 plants/ha; (3) banana: primary crop; 50% cover; 330-1,200 clumps/ha; and (4) Trees, such as Cordia abyssinica, Albizia schimperiana and Grevillea robusta. The trees provide shade for coffee, act as live fences, provide medicines, firewood, fodder, mulching material, bee forage; and some have pesticidal properties (e.g. Rauwolfia caffra). This multilayer system maximizes the use of limited land in a highly populated area, making sustained production possible with a minimum of external inputs, minimizes risk (less production failure, increased resistance against droughts and pests) and ensures at the same time environmental protection. The large species diversity provides both subsistence and cash crops. Parts of the homegarden area are irrigated and drained by a network of over 1000 canals and furrows tapping runoff from the montane forest. However, many systems are now in disrepair.

Natural / human environment: Starting in the 1930s when coffee took more space from the food production, it became necessary to expand food production to the lowlands. Today, the Chagga highland homegarden works only in combination with a lowland field where maize, millet, beans, sunflower and groundnuts are grown to ensure food security.

2.3 技术照片

2.5 已应用该技术的、本评估所涵盖的国家/地区/地点

2.6 实施日期

如果不知道确切的年份，请说明大概的日期:

• 50多年前（传统）

2.7 技术介绍

详细说明该技术是如何引入的:

• 作为传统系统的一部分（> 50 年）

3.1 该技术的主要目的

• 改良生产

3.2 应用该技术的当前土地利用类型

同一土地单元内混合使用的土地：:

是

具体说明混合土地使用（作物/放牧/树木）:

• 农林业

注释:

Type of cropping system and major crops comments: Chagga homegardens are traditional, densely planted ‘banana forests’ with a scattered upper tree layer

3.3 由于技术的实施，土地使用是否发生了变化？

由于技术的实施，土地使用是否发生了变化？:

• 是（请在技术实施前填写以下有关土地利用的问题）

同一土地单元内混合使用的土地：:

是

具体说明混合土地使用（作物/放牧/树木）:

• 农林业

3.4 供水

该技术所应用土地的供水:

• 混合雨水灌溉

3.5 该技术所属的SLM组

• 农业林学
• 家庭花园

3.6 包含该技术的可持续土地管理措施

注释:

Type of vegetative measures: scattered / dispersed

3.7 该技术强调的主要土地退化类型

注释:

Main type of degradation addressed: Wt: loss of topsoil / surface erosion, Cn: fertility decline and reduced organic matter content

3.8 防止、减少或恢复土地退化

具体数量名该技术与土地退化有关的目标:

• 防止土地退化

4.1 该技术的技术图纸

4.2 有关投入和成本计算的一般信息

具体说明成本和投入是如何计算的:

• 每个技术单元

具体说明成本计算所用货币:

• 美元

4.3 技术建立活动

	活动	时间（季度）
1.	Transforming the native forest: trees that provided fodder, fuel, fruits, medicines, shade, timber, bee forage, anti-pest properties are retained while the less useful species are eliminated
2.	Introduction of new fruit and timber tree species, such as avocado, mango, Grevillea robusta, Persea americana
3.	Planting crops species (banana, coffee, taro, beans, vegetables)
4.	Establishment of irrigation/drainage channels
5.	Terracing or building of bunds in steep places

4.5 维护/经常性活动

	活动	时间/频率
1.	Planting, tending and harvesting of bananas, taro, yams / Opening up the canopy to ensure better fruiting of the coffee	all year round
2.	Spacing out the banana stools; Manuring crops (using dung from the stall-fed livestock and compost)
3.	Lopping fodder trees/shrubs; Pruning and spraying against coffee berry disease and leaf rust
4.	Maintaining irrigation furrows; Coffee harvest	August to January
5.	Tending and milking the stall-fed cows (typically only one cow) / Mulching, terrace maintenance (soil erosion prevention in general)

4.6 维护/经常性活动所需要的费用和投入（每年）

	对投入进行具体说明	单位	数量	单位成本	每项投入的总成本	土地使用者承担的成本%
劳动力	Planting, tending and harvesting	unit	1.0	300.0	300.0	100.0
设备	Tools	unit	1.0	45.0	45.0	100.0
肥料和杀菌剂	Compost / manure	unit	1.0	100.0	100.0	100.0
技术维护所需总成本					445.0
技术维护总成本，美元					445.0

注释:

Machinery/ tools: axes, hoes, pangas (machetes)

5.1 气候

5.2 地形

关于地形的注释和进一步规范:

Slopes on average: Also steep (31-60%)

Altitudinal zone: 1000-1800 m.a.s.l.

Landforms: Orientation south / south-east

5.3 土壤

如有可能，附上完整的土壤描述或具体说明可用的信息，例如土壤类型、土壤酸碱度、阳离子交换能力、氮、盐度等。:

Soil fertility is high

5.5 生物多样性

5.6 应用该技术的土地使用者的特征

说明土地使用者的其他有关特征:

Land users applying the Technology are mainly disadvantaged land users

Population density: > 500 persons/km2

5.7 应用该技术的土地使用者使用的平均土地面积

5.8 土地所有权、土地使用权和水使用权

土地所有权:

• 个人，未命名
• 个人，有命名

土地使用权:

• 个人

注释:

traditional clan regulations (land cannot be sold to outsiders)

6.1 该技术的现场影响

社会经济效应

生产

收入和成本

其它社会经济效应

社会文化影响

生态影响

土壤

生物多样性:植被、动物

其它生态影响

6.3 技术对渐变气候以及与气候相关的极端情况/灾害的暴露和敏感性（土地使用者认为的极端情况/灾害）

渐变气候

渐变气候

	季节	增加或减少	该技术是如何应对的？
年温度		增加	好

气候有关的极端情况（灾害）

气象灾害

	该技术是如何应对的？
局地暴雨	好
局地风暴	好

气候灾害

	该技术是如何应对的？
干旱	好

水文灾害

	该技术是如何应对的？
比较和缓的（河道）洪水	好

其他气候相关的后果

其他气候相关的后果

	该技术是如何应对的？
缩短生长期	好

注释:

the system has a high buffer capacity (micro-climate, biodiversity, irrigation)

6.4 成本效益分析

技术收益与技术维护成本/经常性成本相比如何（从土地使用者的角度看）？

6.5 技术采用

• > 50%

在所有采用这项技术的人当中，有多少人是自发的，即未获得任何物质奖励/付款？:

• 91-100%

注释:

100% of land user families have adopted the Technology without any external material support

Comments on adoption trend: Locally well adopted traditional land use system, covering an area of approximately 1200 km2; further spread at local level is not possible due to land shortage.

6.7 该技术的优点/长处/机会

编制者或其他关键资源人员认为的长处/优势/机会
this system allows for maintaining high biodiversity at the same time with diversified production of fruits, vegetables, timber, medicinal products etc.

6.8 技术的弱点/缺点/风险及其克服方法

土地使用者认为的弱点/缺点/风险	如何克服它们？
High demand of wood, low coffee prices and the introduction of sun-tolerant coffee varieties endanger the homegardens	incentive-based tree planting in the gardens to reduce the pressure on the forest

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？
Productivity of Chagga homegardens is not optimal	(1) Replace the less productive trees / shrubs with fast growing nitrogen fixing species; (2) improve animal husbandry (e.g. to increase lactation period), (3) improve apiculture,
Productivity of Chagga homegardens is not optimal	(4) introduce new crop varieties using the gene pool developed by natural and farmer selection, (5) use fertilizers,
Productivity of Chagga homegardens is not optimal	(6) improve coffee production: certified production (organic, fair trade) to fetch higher prices, (7) replace old coffee plants with new ones, (8) integrated pest management, (9) facilitate access to capital for farm investments
Productivity of Chagga homegardens is not optimal	(10) improve erosion control (terraces and bunds), (11) include productive fruit trees, (12) improve advisory services
Water management causes nutrient loss in the gardens and water shortages on the lower slopes	improve efficiency of furrows: Install pipes and surfacing by cement, protect river banks from cultivation

7.2 参考可用出版物

标题、作者、年份、ISBN:

Hemp, A. (1999): An ethnobotanical study on Mt. Kilimanjaro. Ecotropica 5: 147-165

标题、作者、年份、ISBN:

Hemp, A. (2006): The banana forests of Kilimanjaro. Biodiversity and conservation of the agroforestry system of the Chagga Homegardens. Biodiversity and Conservation 15(4): 1193-1217.

标题、作者、年份、ISBN:

Hemp, C. (2005): The Chagga Home Gardens – relict areas for endemic Saltatoria Species (Insecta: Orthoptera) on Mt. Kilimanjaro. Biological Conservatrion 125: 203-210.

标题、作者、年份、ISBN:

Hemp, A., C. Lambrechts, and C. Hemp. (in press). Global trends and Africa. The case of Mt. Kilimanjaro. (UNEP, Nairobi)

标题、作者、年份、ISBN:

Hemp, A., Hemp, C., Winter, C. (2009) Environment and worldview: The Chagga homegardens. In: Clack, T.A.R. (ed.) Culture, history and identity: Landscapes of inhabitation in the Mount Kilimanjar area, Tanzania. BAR International Series 1966, Archaeopress Oxford, pp. 235-303

标题、作者、年份、ISBN:

Fernandes E.C.M., Oktingati A., Maghembe J. 1985. The Chagga homegardens: a multistoried agroforestry cropping system on Mt. Kilimanjaro (Northern Tanzania) in Agroforestry Systems 2: 73-86