The effect of tillage practice and residue management on wheat yield and yield stability in two agro-ecological environments in Mexico
Material type:
TextPublication details: 2011Description: 4 pagesSummary: Wheat is an important food and income source and demand in the developing world is projected to increase. Meeting this growing demand is challenged by poor productivity growth or stagnation in the green revolution areas of South Asia and low yields for major staples in Africa. Climate change could affect wheat production and further complicate meeting the demand. This paper evaluates different tillage and residue management practices with respect to wheat yield and yield stability in two contrasting production systems and agro-ecological environments in Mexico: a rainfed system in the subtropical, semi-arid highlands (Central Mexico) and a furrow-irrigated system in arid conditions (north-western Mexico). The data for the rainfed system were collected in a long-term trial in the central highlands of Mexico. Rainfed cropping predominates in the area, with rainfall (350?800 mm) for four to six months during summer, followed by dry, frosty winters. The climate is representative of many highland areas in the West Asia and North Africa region, the Southern Cone and Andean Highlands of South America, the central highlands of Ethiopia and the Mediterranean coastal plains of Turkey. On-farm cereal grain yields are low (< 2 t ha-1). Moreover, fields are often weedy and crops are N deficient, soil structure is poor, and sheet and gully erosion are widespread. The data for the irrigated system were collected in a long-term sustainability trial, which is agro-climatically representative of areas where 40% of the wheat is produced in the developing world, such as the Indian and Pakistani Punjab and the Nile Valley in Egypt. Grain yields in the area exceed 6 t ha-1 and fertilizer inputs are high.
| Item type | Current library | Collection | Call number | Status | Date due | Barcode | Item holds | |
|---|---|---|---|---|---|---|---|---|
| Conference proceedings | CIMMYT Knowledge Center: John Woolston Library | CIMMYT Staff Publications Collection | CIS-6470 (Browse shelf(Opens below)) | Available |
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Wheat is an important food and income source and demand in the developing world is projected to increase. Meeting this growing demand is challenged by poor productivity growth or stagnation in the green revolution areas of South Asia and low yields for major staples in Africa. Climate change could affect wheat production and further complicate meeting the demand. This paper evaluates different tillage and residue management practices with respect to wheat yield and yield stability in two contrasting production systems and agro-ecological environments in Mexico: a rainfed system in the subtropical, semi-arid highlands (Central Mexico) and a furrow-irrigated system in arid conditions (north-western Mexico). The data for the rainfed system were collected in a long-term trial in the central highlands of Mexico. Rainfed cropping predominates in the area, with rainfall (350?800 mm) for four to six months during summer, followed by dry, frosty winters. The climate is representative of many highland areas in the West Asia and North Africa region, the Southern Cone and Andean Highlands of South America, the central highlands of Ethiopia and the Mediterranean coastal plains of Turkey. On-farm cereal grain yields are low (< 2 t ha-1). Moreover, fields are often weedy and crops are N deficient, soil structure is poor, and sheet and gully erosion are widespread. The data for the irrigated system were collected in a long-term sustainability trial, which is agro-climatically representative of areas where 40% of the wheat is produced in the developing world, such as the Indian and Pakistani Punjab and the Nile Valley in Egypt. Grain yields in the area exceed 6 t ha-1 and fertilizer inputs are high.
Conservation Agriculture Program
English
Lucia Segura
INT2813|INT3307|CSAY01
CIMMYT Staff Publications Collection