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Potential CSA models
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Growing grass for livestock development and management of soil erosion
Ngày đăng: 15/05/2017Lượt xem: 1333Growing grass for cattle-breeding is an improved technique to create better feed for livestock, thereby improving the resistance and quality of livestock, better tolerance to weather changes, reduce free grazing, limit the damage to crops. On the other hand, intercropping weed with crops also aims to reduce soil erosionTable 1: Summary of grass planting practices
Main featuresThe differences compared to traditional grazing Many different grass species are recommended to grow for animal feeds, using different planting and care techniques. Some technical measures are recommended as follows:
- Grass is grown in rows at the same level as the main crops to prevent soil erosion: the grass (Guatemala, Guinea, Vativer, Paspalum, Miscanthus, VA06, Mulato, Ruzi) is planted on a level band, with a band gap of 10 mice is 10 m. In areas with high slope, the gap between the grass bands is smaller, about 6-8 m, to better control soil erosion.
- Intercropped grass: Various types of grasses (Guatemala, Miscanthus, VA06, Mulato, Ruzi) are recommended intercropping between major crops, especially fruit trees, in order to limit soil erosion. and make animal feed.
- Domestical grasses: Grasses (Guatemala, Guinea, Vetiver, Paspalum, Miscanthus, VA06, Mulato, Ruzi) are recommended for planting where other crops are less effective, making animal feed, increasing economic incomes for smallholders. Many farmers are currently planting grass on the bank of the pond, on the edge of the garden, along the way, on the edge of the forest ... to feed the cattle or fish.Do not grow grass.
Cattle are fed straw or through
free-ranging grazing or controlled grazing.
Key benefits / impacts:
- Contribute to raising the efficiency of concentrated farming, reduce free grazing,
Contribute to the protection of the environment and crops, trees.
- Limitation of soil erosion and depletion of land resources. Grassland farming on sloping land plays a particularly important role in controlling erosion, gradually improving soil fertility (Le Quoc Doanh et al., 2005; Hussion O et al., 2003).
- Increase and stabilize household incomes
- Create additional material to cover the soil.
Table 2: List of some places recorded for grass plantingLocation Applicant Year (*) Area (ha) Grass type Dien Bien province
1Dien Bien district (Thanh Hung, Thanh An, Thanh Chan, Sam Mun communes) Household 2005 250 Grass intercropped orchards on sloping land.
2Tuan Giao district (Quai Nua, Quai Cang communes) Household 2008 100 Grass intercropped orchards on sloping land. Yen Bai province
1Yen Bai city (Tuy Loc and Minh Bao communes) Household 2004 50 Grass intercropped orchard at home garden and on sloping land.
2Van Chan district (Minh Tam, Suoi Giang, Nam Bong, Ba Khe, Gia Hoi, Son Thinh communes) Household 2006 60 Grass intercropped orchard in home gardens or at the fence.
3Tran Yen district (Hung Thinh commune) Household 2006,
200740 Grass intercropped orchards in home gardens or cultivation on sloping land, poor soil.
4Van Yen district (communes of Quang Minh, Dai Phuc, Dong Cuong) Household 2013 104 Grasses intercropped with cassava or cultivated on sloping land, with poor soil.
5Tram Tau District Household 2006 10 Grasses grown on sloping land, poor soil.
6Mu Cang Chai district Household 2006 10 Grasses grown on sloping land, poor soil. Son La province
1Yen Chau district (Chieng Dong, Chieng Hac communes). Household 2005 30 Grass intercropped orchards in home gardens or on sloping land; planting on sloping land, poor soil.
2Moc Chau District (Chieng He and Phieng Luong communes). Household 2005 150 Grasses intercropped with fruit trees in home gardens or on sloping land.
3Mai Son district (Hat Lot, Na Chay, Chiang Mai communes). Household 2008 100 4 Son La city Household 2006 50
(*) The area is listed at the year in the table. However, at the present time the area and application situation may be different.
The research has been conducted to develop a model of grass production in accordance with different conditions of the household:
(i) Growing pure grass in areas of poor nutrient and drought areas, where other crops have low productivity and unstable;;
(ii) Intercropping grass or growing at a band level intercropped with trees on sloping land. The objective of these activities is to expand grass growing for sustainable intensive livestock development and to protect land resources. Various grass varieties are being tested and introduced such as Guatemala, Guinea, Vetiver, Paspalum, Miscanthus, VA06, Mulato, Ruzi9.
However, because land funds are limited, farmers usually plant grass at the fences, the small wasteland along the road, or at the edge of the forest, next to the pond or garden, or intercropped in the garden along with fruit trees, vegetables or other food crops. Grass planting near the house facilitates the harvesting of grass for cattle. However, grasses are also susceptible to damage by animals. (chicken, duck, pig ...)
The main barriers to this expansion of practical application:
- Increase requirements about labor (planting, care, management, harvesting grass)
-Technical difficulties for farmers to grow and care for the grass (especially when planting grass on sloping land or intercropping grass with plants)
- Difficult to change traditional grazing customs of inhabitant
- Limitations on land funds; farmers often favor food crops rather than grass (for pure grass production)
- Need more production costs (grasses, fertilizers ...)Figure 1. Intercropping grass in orange orchard (left) and cinnamon (right)Source: nomafsi.com.vnCây dữ liệu:Dữ liệu liên quan:- Agroforestry and the development of integrated production systems
- Growing corn
- Cover the ground and minium soil preparation
- Fish culture in rice fields (rice-fish)
- Intercropped with legumes
- Make Terraced to grow trees
- Agro-forestry (intercropping of agricultural crops with forest trees)
- CSA (Climate Smart Agriculture) project: Capturing synergies between mitigation, adaptation, and food security
- CSA project in Vietnam: Capturing the synergies between mitigation, adaptation and food security (GCP/INT/139/EC)
- Science and technology program for sustainable development of the North West region: Achievements and cooperation orientations
- Aus4Equality Program
- Liên kết website
- Thăm dò ý kiến
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