1.3 Condições em relação ao uso da informação documentada através de WOCAT

Quando os dados foram compilados (no campo)?

24/09/2008

O/a compilador/a e a(s) pessoa(s) capacitada(s) aceitam as condições relativas ao uso de dados documentados através da WOCAT:

Sim

2.1 Descrição curta da tecnologia

Definição da tecnologia:

Maize strip tillage is a conservating method for corn production.

2.2 Descrição detalhada da tecnologia

Descrição:

Maize strip tillage is a soil-conserving method used in crop production. First of all the grass in the area needs to be prepared by splattering round-up about 3-10 days prior to sowing.
If the weather conditions are dry enough, a special grubber ('Flügelschargrupper') slacks the soil (20cm), the fertilizer is added in the stripes and afterwards the seed is added. Then the actual maize strip tillage machine carves a stripe and the seed are inserted within this strip of 30 cm. At the same time fertilizer is added on these cultivated stripes. Between those cultivated stripes the mulch-grass stripes (45cm) are unmechanised and protect the soil by increasing its stability. At the end a herbicide is applied on the cultivated strip. All working steps can be done at the same time compared to the traditional technique whereas the farmer needs to drive for each working step separately.
There are some clear economic advantages using this technology. It is less time consuming and the costs for diesel are also lower. On the other hand, by applying maize strip tillage the timing of the cultivation is very important and if the conditions are too wet, it is very likely that a farmer needs more herbicide in order to guarantee an optimal growth period.
However, like in a minimum tillage system there are some ecological advantages like enhancing soil stability. Another advantage is the better soil structure due to the mulch stripes. Due to these mulch-stripes the matrix of the soil is more complex and therefore the stability is better especially during the harvest in September. Soil compaction would occur less and the possibility of soil erosion is decreasing. Especially in hilly areas, as there are many in Switzerland, the technology is suitable since soil erosion is a problem in hilly areas when using a plough.
The interviewed farmer said that the farmers need a sound knowledge about the natural environment. Compared to the traditional technology, the farmers need to observe the corn plants carefully in order to ensure their growth period. Frthermore he said that the farmers need to get used to the sensitivity of this technology. If they are not applying the right amount of herbicide, the probability of getting a smaller harvest is increasing. If springtime is humid, the farmers should be able to use the traditional technology cause this SLM technology is only useful if the conditions are not too humid.
The interviewed farmer said that the economic advantages would be very beneficial to most of the farmers. Although the establishment costs for the machines needed for this technology seem to be high. The farmer can also hire a contractor like him and then he only needs to pay the labour but not the equipment itself. If a farmer wants to apply this technology, the canton of Bern provides them with subsidies during the initial 5 years.

2.3 Fotos da tecnologia

2.5 País/região/locais onde a tecnologia foi aplicada e que estão cobertos nesta avaliação

2.6 Data da implementação

Caso o ano exato seja desconhecido, indique a data aproximada:

• 10-50 anos atrás

2.7 Introdução da tecnologia

Especifique como a tecnologia foi introduzida:

• durante experiências/ pesquisa

Comentários (tipos de projeto, etc.):

A decade ago a farmer invented the machine for maize strip tillage and the departmenet for soil conservation promoted this technology afterwards.

3.2 Tipo(s) atualizado(s) de uso da terra onde a tecnologia foi aplicada

Comentários:

Major land use problems (compiler’s opinion): If a plough is used when having a hillside situation the soil may easily erode.

Major land use problems (land users’ perception): The danger of erosion and soil compaction is accelareted when using a plough in a hillside area.

3.3 Mais informações sobre o uso da terra

Número de estações de cultivo por ano:

• 1

Especifique:

Longest growing period in days: 150 Longest growing period from month to month: Apr - Sep

3.4 Grupo de GST ao qual pertence a tecnologia

• Perturbação mínima ao solo
• Medidas de curva de nível

3.5 Difusão da tecnologia

Especifique a difusão da tecnologia:

• Uniformemente difundida numa área

Caso a tecnologia seja uniformemente difundida numa área, indique a área coberta aproximada:

• 10-100 km2

Comentários:

Total area covered by the SLM Technology is 100 m2.

The farmer owns 35 km2 but is applying the technology on 100 km2 in the surrounding area

3.6 Medidas de GST contendo a tecnologia

3.7 Principais tipos de degradação da terra abordados pela tecnologia

Comentários:

Main type of degradation addressed: Wt: loss of topsoil / surface erosion

Secondary types of degradation addressed: Wg: gully erosion / gullying, Pc: compaction, Bc: reduction of vegetation cover

Main causes of degradation: crop management (annual, perennial, tree/shrub) (using the plough on hillside areas can increase soil erosion)

4.1 Desenho técnico da tecnologia

4.2 Especificações técnicas/ explicações do desenho técnico

Technical knowledge required for field staff / advisors: high

Technical knowledge required for land users: moderate

Main technical functions: improvement of ground cover

Secondary technical functions: improvement of topsoil structure (compaction), increase in organic matter, increase of infiltration

Minimum tillage
Remarks: only where the crop seeds are inserted

4.3 Informação geral em relação ao cálculo de entradas e custos

Outro/moeda nacional (especifique):

Swiss Franc

Indique a taxa cambial do dólar norte americano para a moeda local (se relevante): 1 USD =:

1,08

4.4 Atividades de implantação

	Atividade	Tipo de medida	Periodicidade
1.	Buying machine for stripe mill cropping	Agronômico

Comentários:

Life span of the product: 15 years

4.5 Custos e entradas necessárias para a implantação

Comentários:

Duration of establishment phase: 2 month(s)

4.6 Atividades recorrentes/manutenção

	Atividade	Tipo de medida	Periodicidade/frequência
1.	Applying Round-up herbicide on the area	Agronômico	1 once before corn cultivation
2.	Using of the machine for maize strip tillage, seeding and fertilizing within one workstep	Agronômico	1
3.	Appliance for herbicide (Glyphosat)	Agronômico	1-2
4.	Harvest of the corn	Agronômico	1

4.7 Custos e entradas necessárias pata a manutenção/atividades recorrentes (por ano)

Comentários:

Establishment costs are estimated for the contractor. Labour costs indicated above are the costs which the contractor is demanding for if he is hired. Additionally, those farmers who adapt this technology can get subsidies from the Canton if the farmer commits to apply soil conservation measures during 5 years, in Bern it is 450 CHF per ha.

4.8 Fatores mais importantes que afetam os custos

Descreva os fatores mais determinantes que afetam os custos:

Labour costs might seem high for a farmer if he delegates the establishment to a contractor. In comparison to the traditional cultivation system the contractor would ask about $240 for ploughing , $185 for harrowing , $92 for seeding, $70 for biocide and $46 for fertilizer per ha. Therefore using maize strip tillage is almost a third less expensive than the traditional cultivation. Most of the farmers that hire the contractor are applying the biocides themselves when using maize strip tillage, which makes the costs even lower.

5.1 Clima

5.2 Topografia

5.3 Solos

Caso disponível anexe a descrição completa do solo ou especifique as informações disponíveis, p. ex. tipo de solo, PH/acidez do solo, nitrogênio, capacidade de troca catiônica, salinidade, etc.

Soil texture is coarse/light (sandy) or medium (loamy, silty) (medium till light soils, depending on the area. On heavy soils technology is not applied).
Soil fertility is medium
Soil drainage/infiltration is good
Soil water storage capacity is medium

5.4 Disponibilidade e qualidade de água

Comentários e outras especificações sobre a qualidade e a quantidade da água:

Ground water table: 5-50 m (depending on the area)
Water quality (untreted): Good drinking water (depending on the region)

5.6 Características dos usuários da terra que utilizam a tecnologia

Indique outras características relevantes dos usuários da terra:

Difference in the involvement of women and men: Usually the women are responsible for the administration and household and the men for the actual work on the fields, assuming that the decision to implement a new technology is made by both.

Population density: < 10 persons/km2

Annual population growth: < 0.5%

(His contract company is relatively large.).

5.8 Propriedade de terra, direitos de uso da terra e de uso da água

Propriedade da terra:

• Indivíduo, intitulado

Direitos do uso da terra:

• Arrendado

Direitos do uso da água:

• Comunitário (organizado)

Comentários:

The area around the farmer house is individually owned but the surrounding agricutlural land is leased.

5.9 Acesso a serviços e infraestrutura

6.3 Exposição e sensibilidade da tecnologia às mudanças climáticas graduais e extremos/desastres relacionados ao clima (conforme o ponto de vista dos usuários da terra)

Mudança climática gradual

Mudança climática gradual

	Estação do ano	Tipo de mudança climática/extremo	Como a tecnologia lida com isso?
Temperatura anual		aumento	bem

Extremos (desastres) relacionados ao clima

Desastres meteorológicos

	Como a tecnologia lida com isso?
Temporal local	bem
Tempestade de vento local	não conhecido

Desastres climatológicos

	Como a tecnologia lida com isso?
Seca	bem

Desastres hidrológicos

	Como a tecnologia lida com isso?
Inundação geral (rio)	não conhecido

Outras consequências relacionadas ao clima

Outras consequências relacionadas ao clima

	Como a tecnologia lida com isso?
Período de crescimento reduzido	não bem

Comentários:

With the grass stripes between the corn, the water can infiltrate faster and the soil is more stable and protected. The technology can be more tolerant towards intensive rainfalls but only to a certain moment. The technology is more sensitive towards humid conditions in spring and problems can accure when trying to apply the stripe mill cropping.

6.4 Análise do custo-benefício

Como os benefícios se comparam aos custos de implantação (do ponto de vista dos usuários da terra)?

Como os benefícios se comparam aos custos recorrentes/de manutenção(do ponto de vista dos usuários da terra)?

6.5 Adoção da tecnologia

Comentários:

35% of land user families have adopted the Technology with external material support

Comments on acceptance with external material support: If farmers have good experiences more than 80% are maintaining this technology even without external subsidies of the Canton.

There is a moderate trend towards spontaneous adoption of the Technology

Comments on adoption trend: The subsidies from the Canton are very supportive for farmers to implement the new technology