技术

Postpone grassland renewal [荷兰]

Uitstellen van graslandvernieuwing

technologies_1662 - 荷兰

完整性: 73%

1. 一般信息

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

关键资源人

SLM专业人员:
SLM专业人员:

Smit Annemieke

Wageningen Environmental Research (Alterra)

荷兰

SLM专业人员:

Rienks Willem

Rom3D

荷兰

SLM专业人员:

Leever Henk

Hoeduurzaam

荷兰

有助于对技术进行记录/评估的项目名称(如相关)
Preventing and Remediating degradation of soils in Europe through Land Care (EU-RECARE )
有助于对技术进行记录/评估的机构名称(如相关)
Hoe Duurzaam - 荷兰
有助于对技术进行记录/评估的机构名称(如相关)
Wageningen Environmental Research (Alterra) - 荷兰
有助于对技术进行记录/评估的机构名称(如相关)
Vitens - Laat Water Voor Je Werken - 荷兰
有助于对技术进行记录/评估的机构名称(如相关)
Ministerie van Economische Zaken - 荷兰
有助于对技术进行记录/评估的机构名称(如相关)
Gemeente Berkelland - 荷兰

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。:

1.5 参考关于SLM方法(使用WOCAT记录的SLM方法)的调查问卷

2. SLM技术的说明

2.1 技术简介

技术定义:

Postponing the timing of ploughing a grassland field by one or two years to reduce nutrient losses and organic matter decomposition.

2.2 技术的详细说明

说明:

On the sandy soils in this part of The Netherlands permanent grassland seems the best measure to increase the organic matter content of the soil, to reduce the leaching of minerals and to reduce loss of soil moisture.
Customary maintenance of grassland fields is to plough and reseed or rotate the grass every 5 years. 5 years is the minimum length of time required by legislation. For growth and field rotation purposes, many farmers have preference to rotate fields in intervals less than 5 years. Under this technology, farmers instead wait 6 or 7 years before ploughing.

Purpose of the Technology: Ploughing grasslands increases the breakdown and decomposition of organic matter in soils. Farmers post-pone ploughing to increase soil organic matter content and reduce losses.

Establishment / maintenance activities and inputs: A well established permanent grassland requires good drainage, frequent liming (possibly from residual products from water purification), deep rooting grass, reseeding after 10-15 years, and fertilisation using sufficient organic manure.

Natural / human environment: Dairy farmers on sandy soils in the eastern part of The Netherlands. In the pilot Gezond Zand 44 farmers participated, owning 720 ha agricultural land, of which 344 in use as permanent grassland.

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

国家:

荷兰

区域/州/省:

Gelderland

有关地点的进一步说明:

Haarlo - Oude Eibergen

具体说明该技术的分布:
  • 均匀地分布在一个区域
如果不知道精确的区域,请注明大致覆盖的区域:
  • 1-10 平方千米
注释:

In entire area there is 344 ha of grassland owned by 44 farmers. Only 2 of those farmers implemented the technology.

2.6 实施日期

如果不知道确切的年份,请说明大概的日期:
  • 10-50年前

2.7 技术介绍

详细说明该技术是如何引入的:
  • 通过项目/外部干预

3. SLM技术的分类

3.2 应用该技术的当前土地利用类型

牧场

牧场

粗放式放牧:
  • 经营牧场
集约放牧/饲料生产:
  • 收割和携带/零放牧
  • 改良牧场
注释:

Major land use problems (compiler’s opinion): Decrease of soil organic matter content.

Major land use problems (land users’ perception): The group of farmers in the area experience decreasing organic matter content in soil.

Ranching: Yes

Cut-and-carry/ zero grazing: farmers also keep cattle in stable to prevent unequal grazing and dispersed manuring

Improved pasture: Yes

Number of growing seasons per year: 1
Longest growing period in days: 250 Longest growing period from month to month: March - November
Livestock density: > 100 LU /km2

3.4 供水

该技术所应用土地的供水:
  • 雨养

3.5 该技术所属的SLM组

  • 最小的土壤扰动

3.6 包含该技术的可持续土地管理措施

管理措施

管理措施

  • M2:改变管理/强度级别
注释:

Main measures: management measures

3.7 该技术强调的主要土地退化类型

化学性土壤退化

化学性土壤退化

  • Cn:肥力下降和有机质含量下降(非侵蚀所致)
注释:

Main type of degradation addressed: Cn: fertility decline and reduced organic matter content

Main causes of degradation: soil management (ploughing intensive grassland renewal)

Secondary causes of degradation: crop management (annual, perennial, tree/shrub) (rotation with more corn and less grassland)

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:
  • 减少土地退化
注释:

Main goals: mitigation / reduction of land degradation

4. 技术规范、实施活动、投入和成本

4.1 该技术的技术图纸

技术规范(与技术图纸相关):

Demonstrating area designated to corn and designated to grassland under old management of renewing grasslands every 5 years and comparing to the area under the new technology of renewal every 6 or 7 years.

Location: Wageningen. Gelderland

Date: March 20, 2015

Technical knowledge required for field staff / advisors: moderate (knowledge is required on the maintenance of permanent grassland, the proportion of grassland in the total farm, the frequency of reseeding and rotations with arable crops, in particular for grassland)

Technical knowledge required for land users: moderate (knowledge is required on the maintenance of permanent grassland, the proportion of grassland in the total farm, the frequency of reseeding and rotations with arable crops, in particular for grassland)

Main technical functions: Reduce decomposition of organic matter

Secondary technical functions: increase in organic matter, increase of biomass (quantity)

Change of land use practices / intensity level: Plough grassland every 6 to 7 years instead of every 5 years.

Major change in timing of activities: Plough grassland every 6 to 7 years instead of every 5 years.

作者:

Jason Stuka, Wageningen University

4.6 维护/经常性活动所需要的费用和投入(每年)

注释:

Information on costs for the technology are not yet available, and therefore no information on costs was entered into section 2.6.

Costs involved with postponing grassland renewal include the costs of yield foregone from rotations with arable crops that have not taken place, and costs of manuring of the grassland.

Costs avoided include all costs of management operations and inputs associted with rotations of grassland and arable crops that would have taken place in the life cycle of the permanent grassland (6-7 till 15 years).

Benefits include 1320 kg of additional DM/ha, or € 145,-/ha additional revenues.

4.7 影响成本的最重要因素

描述影响成本的最决定性因素:

The life cycle of permanent grassland determines both the costs foregone due to missed yields from shorter term rotations with arable crops and costs avoided due to saved operations and inputs on shorter term rotations which have not taken place.

5. 自然和人文环境

5.1 气候

年降雨量
  • < 250毫米
  • 251-500毫米
  • 501-750毫米
  • 751-1,000毫米
  • 1,001-1,500毫米
  • 1,501-2,000毫米
  • 2,001-3,000毫米
  • 3,001-4,000毫米
  • > 4,000毫米
有关降雨的规范/注释:

182 days of precipitation annually

农业气候带
  • 半湿润

Thermal climate class: temperate. Mean monthly temperatures vary between 2-17 °C (LGP 240-269 days, mean monthly temperatures vary between 2-17 °C)

5.2 地形

平均坡度:
  • 水平(0-2%)
  • 缓降(3-5%)
  • 平缓(6-10%)
  • 滚坡(11-15%)
  • 崎岖(16-30%)
  • 陡峭(31-60%)
  • 非常陡峭(>60%)
地形:
  • 高原/平原
  • 山脊
  • 山坡
  • 山地斜坡
  • 麓坡
  • 谷底
垂直分布带:
  • 0-100 m a.s.l.
  • 101-500 m a.s.l.
  • 501-1,000 m a.s.l.
  • 1,001-1,500 m a.s.l.
  • 1,501-2,000 m a.s.l.
  • 2,001-2,500 m a.s.l.
  • 2,501-3,000 m a.s.l.
  • 3,001-4,000 m a.s.l.
  • > 4,000 m a.s.l.
关于地形的注释和进一步规范:

Altitudinal zone: 0-100 m a.s.l. (up to 45 metres a.s.l.)
Slopes on average: Gentle (only incidentally)

5.3 土壤

平均土层深度:
  • 非常浅(0-20厘米)
  • 浅(21-50厘米)
  • 中等深度(51-80厘米)
  • 深(81-120厘米)
  • 非常深(> 120厘米)
土壤质地(表土):
  • 粗粒/轻(砂质)
  • 中粒(壤土、粉土)
表土有机质:
  • 高(>3%)
  • 中(1-3%)
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 depth on average: Deep (A en B horizons up till 40 cm in Gleyic Podzols and Umbric Gleysols (ca 75% of the area). Hardly any soil organic matter below 15 cm. Rooting depth is up to 80 cm.) and very deep (deep topsoils rich in organic matter in Fimic Anthrosols (12% of the area))
Soil texture: Coarse/light ( Most soils have a sandy texture due to the substrate consisting of cover sands) and medium (soils in former creek valleys contain loam (Umbric Gleysols))
Soil fertility is low (most soils have a low fertility due to the sandy substrate (specifically the Gleyic Podzols, ca 40% of the area). and very high (fimic Anthrosols originating from application of farmyard manure since medieval times.)
Topsoil organic matter is medium (The purpose of the pilot project is to increase soil organic matter)
Soil drainage/infiltration is good (deep ground water. Sandy soils.) and medium (some shallow groundwater)
Soil water storage capacity is medium (dependent on soil organic matter content)

5.4 水资源可用性和质量

地下水位表:

5-50米

地表水的可用性:

中等

水质(未处理):

不良饮用水(需要处理)

5.5 生物多样性

物种多样性:
  • 中等

5.6 应用该技术的土地使用者的特征

生产系统的市场定位:
  • 生计(自给)
非农收入:
  • 低于全部收入的10%
相对财富水平:
  • 平均水平
个人或集体:
  • 个人/家庭
性别:
  • 男人
说明土地使用者的其他有关特征:

Land users applying the Technology are mainly common / average land users
Difference in the involvement of women and men: Most outdoor farm operations are completed by men.
Population density: 10-50 persons/km2
Annual population growth: < 0.5%
100% of the land users are average wealthy and own 100% of the land.
Off-farm income specification: Some farmers are contractual workers. Wives of farmers often have a job, e.g. at the municipality or craft work. No B&B activities or educational services.
Market orientation is subsistence (grass is used to feed the cattle of dairy farmers, not sold)

5.7 应用该技术的土地使用者使用的平均土地面积

  • < 0.5 公顷
  • 0.5-1 公顷
  • 1-2 公顷
  • 2-5公顷
  • 5-15公顷
  • 15-50公顷
  • 50-100公顷
  • 100-500公顷
  • 500-1,000公顷
  • 1,000-10,000公顷
  • > 10,000公顷
这被认为是小规模、中规模还是大规模的(参照当地实际情况)?:
  • 中等规模的
注释:

Average grassland is 7.8 ha per household.

5.8 土地所有权、土地使用权和水使用权

土地所有权:
  • 个人,有命名
土地使用权:
  • 租赁
  • 个人
注释:

All agriculture land is owned by farmers. Some farmers lease their land to other farmers. There are some regulations on land uses set by communities.

5.9 进入服务和基础设施的通道

健康:
  • 贫瘠
  • 适度的
教育:
  • 贫瘠
  • 适度的
技术援助:
  • 贫瘠
  • 适度的
就业(例如非农):
  • 贫瘠
  • 适度的
市场:
  • 贫瘠
  • 适度的
能源:
  • 贫瘠
  • 适度的
道路和交通:
  • 贫瘠
  • 适度的
饮用水和卫生设施:
  • 贫瘠
  • 适度的
金融服务:
  • 贫瘠
  • 适度的

6. 影响和结论性说明

6.1 该技术的现场影响

社会经济效应

生产

饲料生产

降低
增加
注释/具体说明:

Expected. More grass, less corn. Overall less yield.

收入和成本

农业投入费用

增加
降低
注释/具体说明:

Expected. Not proven.

农业收入

降低
增加
注释/具体说明:

Uncertain. More grass but less corn.

工作量

增加
降低
注释/具体说明:

Expected. Not proven.
Less rotation and management flexibility.

社会文化影响

社区机构

削弱
加强
注释/具体说明:

Created farmer's foundation

SLM/土地退化知识

减少
改良
注释/具体说明:

Farmers understanding ecological impacts.

冲突缓解

恶化
改良
注释/具体说明:

Farmers collaborating with water company

Improved livelihoods and human well-being

注释/具体说明:

Dairy farmers have learned more about the importance of soil organic matter for their production systems, and about the consequences of soil management on soil organic matter and other aspects of soil health. This learning was brought by the exchange of knowledge between farmers and experts, and between farmers themselves. Farmers also profited from services provided to them by the farmers' foundations: shared investments (e.g. in the manure separator) and support in the application for subsidies to finance the SLM measure.

生态影响

水循环/径流

水质

降低
增加
注释/具体说明:

Expected. Not proven yet.

地表径流

增加
降低
注释/具体说明:

Expected. Not proven yet. Little to no

多余水的排放

减少
改良
注释/具体说明:

Expected. Not proven yet.

土壤

土壤覆盖层

减少
改良
注释/具体说明:

Not measured.

土壤压实

增加
减少
注释/具体说明:

Expected. Not proven yet.

养分循环/补给

降低
增加
注释/具体说明:

Expected. Not proven yet.

土壤有机物/地下C

降低
增加
注释/具体说明:

Expected. Not proven yet.

生物多样性:植被、动物

生物量/地上C

降低
增加
注释/具体说明:

Not measured.

减少气候和灾害风险

碳和温室气体的排放

增加
降低

6.2 该技术的场外影响已经显现

缓冲/过滤能力

减少
改良
注释/具体说明:

Expected. Not proven yet.

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

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
局地风暴
气候灾害
该技术是如何应对的?
干旱
水文灾害
该技术是如何应对的?
比较和缓的(河道)洪水

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

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)?
短期回报:

中性/平衡

长期回报:

轻度消极

注释:

Less frequent rotation and fertility for corn production, but better for soil health.

6.5 技术采用

注释:

100% of land user families have adopted the Technology with external material support

2 land user families have adopted the Technology with external material support

6.7 该技术的优点/长处/机会

土地使用者眼中的长处/优势/机会
increases soil organic matter

How can they be sustained / enhanced? continued implementation of the measures and subsidy or payment for environmental service to compensate foregone revenues if rotations with arabale crops would be inserted.
increases grassland quality and yield in the long term; estimated added value of postponing grassland renewal is € 145,-/ha

How can they be sustained / enhanced? continued implementation of the measure, preferably maintain life cycles of 10-15 year for permanent grassland
reduces leaching of nutrients, herbicides and pesticides to the groundwater

How can they be sustained / enhanced? financial support from the drinking water company Vitens, who has interest in reduced influx of substances to the groundwater.
编制者或其他关键资源人员认为的长处/优势/机会
increases soil organic matter

How can they be sustained / enhanced? continued implementation of the measures and subsidy or payment for environmental service to compensate foregone revenues if rotations with arabale crops would be inserted.
increases available soil moisture
reduces leaching of nutrients, herbicides and pesticides to the groundwater

How can they be sustained / enhanced? financial support from the drinking water company Vitens, who has interest in reduced influx of substances to the groundwater.

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?
long-term investment, requires time to return improved grassland yield
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?
long term permanent grassland prevents rotations with arable crops; this may reduce farmer's income reward the benefits of increased SOM through subsidy or payment for environmental services by the drinking water and dairy companies

7. 参考和链接

7.1 信息的方法/来源

7.2 参考可用出版物

标题、作者、年份、ISBN:

Gezond Zand: Met een verbeterde bodemkwaliteit naar een betere waterkwaliteit Haarloseveld en Olden Eibergen By Willem Rienks and Henk Leever 2014 Unravelling changes in soil fertility of agricultural land in The Netherlands Arjan Reijneveld 2013RECARE_WP3 Report: CS_11_Ouden-Eibergen_v2 Annemieke Smit and Simone Verzandvoort 2014

可以从哪里获得?成本如何?

Free http://www.hoeduurzaam.nl/images/gallery/nieuws/Brochure/BrochureHoeduurzaam%20Definitief.pdfWageningen University Library http://library.wur.nl/WebQuery/wda/2044057Free annemieke.smit@wur.nl

7.3 链接到网络上的相关信息

标题/说明:

Gezond Zand: Met een verbeterde bodemkwaliteit naar een betere waterkwaliteit Haarloseveld en Olden EibergenBy Willem Rienks and Henk Leever2014

URL:

http://www.hoeduurzaam.nl/images/gallery/nieuws/Brochure/BrochureHoeduurzaam%20Definitief.pdfWageningen University Library http://library.wur.nl/WebQuery/wda/2044057Free annemieke.smit@wur.nl

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