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Technical adaptations for mechanized SRI production to achieve water saving and increased profitability in Punjab, Pakistan

Technical adaptations for mechanized SRI production to achieve water saving and increased profitability in Punjab, Pakistan,10.1007/s10333-010-0223-5,

Technical adaptations for mechanized SRI production to achieve water saving and increased profitability in Punjab, Pakistan   (Citations: 2)
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Even in a country with a large population and rapid population growth, there can be labor shortages in the agricultural sector, because of outmigration of the able-bodied work force. The System of Rice Intensification (SRI) is not necessarily more labor-intensive once the methods have been learned, but the initial labor requirements can be a barrier to adoption, and farmers with large land areas cannot find the labor needed to use these more productive methods. Recognizing this problem, a set of agricultural implements have been designed for mechanizing the operations of SRI, with a view to reducing water requirements as well as labor requirements because the current conditions for agricultural production in the Punjab region of Pakistan include water scarcity and poor water quality as well as labor shortages. This article reports on the process of mechanizing SRI production in Punjab, which has been quite successful so far. Average yield is considerably increased with a 70% reduction in water requirements and a similar reduction in labor needs. The machinery and methods have been further adapted to other crops, being grown on permanent-raised beds, so that SRI with organic fertilization is combined with Conservation Agriculture. This combination is referred to as “paradoxical agriculture” because it enables farmers to achieve higher outputs with reduced inputs.
Journal: Paddy and Water Environment - PADDY WATER ENVIRON , vol. 9, no. 1, pp. 111-119, 2011
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    • ...The principles and practices of SRI are now being adapted to larger-scale, mechanized operations (Sharif 2011), so earlier definitions and stereotypes of SRI are being superseded by farmers’ and others’ creativity...
    • ...An additional important benefit of aerobic soil conditions is the development of larger root systems, as reported by Barison and Uphoff (2011), Mishra and Salokhe (2011) and Thakur et al. (2011)...
    • ...The increases with SRI methods varied from 11% in Chinese on-station trials to 220% in an on-farm, innovative-mechanized version of SRI in Pakistan (Sharif 2011)...
    • ...• What was at the outset a labor-intensive process has in many countries become labor-saving, and this is being accelerated by selective or even extensive mechanization (Sharif 2011)...
    • ...The trials reported by Mishra and Salokhe (2011) showed the importance of maintaining sufficient water available in the soil for plants during their reproductive phase...
    • ...Also, it should be investigated further whether or how much the use of certain kinds of biofertilizers as reported by Mishra and Salokhe (2011) and Iswandi et al. (2011) could enhance SRI performance...
    • ...We are seeing convergent practices that combine SRI ideas and methods with zerotillage precepts, using permanent raised beds as reported from Pakistan (Sharif 2011) or on typical level fields in China...
    • ...The practices introduced in Jiangsu which involve direct-seeding with raised beds and water control (Zhang and Lu 2010) link SRI with Conservation Agriculture, similar to the practices reported from Pakistan (Sharif 2011)...
    • ...In this issue, we have a report of mechanization of SRI production processes in Pakistan, with outstanding productivity results and sharp reduction in water needs (Sharif 2011)...
    • ...This strategy is proposed by Sharif (2011) under the rubric of ‘‘paradoxical agriculture,’’ producing more output with reduced inputs...

    Amir Kassamet al. Review of SRI modifications in rice crop and water management and rese...

    • ...Conversely, the agronomic principles of SRI have inspired the development of so-called "mechanized SRI" systems for large-scale rice cultivation, for instance, in Pakistan (...

    Dominic Glover. A System Designed for Rice? Materiality and the Invention/Discovery of...

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