n Miaowan Village, the technology is mainly applied to apple tree plantations. Tree seedlings are planted in rows every 4 m along the contour with a spacing of 2.5-3.5 m between rows. Trees are planted in pits 40 cm diameter and 3040 cm deep. Manure and/or fertilizer are applied and the seedlings are watered.
Around each tree, soil from the upper parts of the slope is removed and deposited below in order to extend the flat terrain. Over 5-10 years, the terraces become enlarged around each tree and form a terrace with the neighbouring trees along the contour, such that the slopes are transformed into level bench terraces. The fruit trees are located in the middle of the terrace. All the work is done manually using shovels.
Purpose of the Technology: The main purpose of this technology is to reduce runoff and soil erosion on the slope and to improve soil quality and soil moisture retention. It is a sustainable land use technology for small farmers because farmers can use their spare time to improve the land’s condition during the growth of the trees.
A major aim is to conserve water and reduce runoff. Soil erosion in this village is very severe and the soil erosion rate before amounted to 60-100 tonnes per hectare per year and was reduced practically to zero as a result of building the terraces. Slope gradients are very steep (around 20-35 degrees). The main income of local farmers is from orchards.
Establishment / maintenance activities and inputs: The establishment phase thus takes 5-10 years. Afterwards maintenance inputs are restricted to repairing the terrace walls.
Lugar: Miaowan Village, Xuejiagou Watershed, Shaanxi, China
No. de sitios de Tecnología analizados:
Difusión de la Tecnología: distribuida parejamente sobre un área (2.55 km²)
¿En un área de protección permanente?:
Fecha de la implementación: 10-50 años atrás
Tipo de introducción
Especifique insumo | Unidad | Cantidad | Costos por unidad (USD) | Costos totales por insumo (USD) | % de los costos cubiertos por los usuarios de las tierras |
Mano de obra | |||||
Planting trees | Person/day | 120,0 | 7,3 | 876,0 | 100,0 |
Building pits | Person/day | 750,0 | 7,3 | 5475,0 | 100,0 |
Costos totales para establecer la Tecnología | 6'351.0 | ||||
Costos totales para establecer la Tecnología en USD | 6'351.0 |
Especifique insumo | Unidad | Cantidad | Costos por unidad (USD) | Costos totales por insumo (USD) | % de los costos cubiertos por los usuarios de las tierras |
Mano de obra | |||||
Reparing of terraced land | Person/day | 15,0 | 14,6 | 219,0 | 100,0 |
Indique los costos totales para mantenecer la Tecnología | 219.0 | ||||
Costos totales para mantener la Tecnología en USD | 219.0 |
Cantidad antes de MST: 45000kg
Cantidad luego de MST: 52500kg
Yield increasing by 16.7%
Cantidad antes de MST: 9883
Cantidad luego de MST: 11530
Income increases by 1647 USD per ha.
Cantidad antes de MST: 1500
Cantidad luego de MST: 1650
10% person days increases annually in the first 5 years
Cantidad antes de MST: 2700
Cantidad luego de MST: 3200
Not excluding of the labour input of the local farmers themselves.
Cantidad antes de MST: 60 mm/yr
Cantidad luego de MST: <10 mm/yr
no runoff in common
Cantidad antes de MST: 60 t/yr/ha
Cantidad luego de MST: 10 t/yr/ha
Soil erosion is well controlled
Cantidad antes de MST: 60mm/yr
Cantidad luego de MST: <10mm/yr
Cantidad antes de MST: 60 mm/yr
Cantidad luego de MST: <10 mm/yr