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Yield and income effects of rice varieties with tolerance of multiple abiotic stresses: the case of green super rice (GSR) and flooding in the Philippines

Yorobe, Jose M. ; Ali, Jauhar ; Pede, Valerien O. ; Rejesus, Roderick M. ; Velarde, Orlee. P. ; Wang, Huaiyu

Agricultural Economics, May 2016, Vol.47(3), pp.261-271 [Tạp chí có phản biện]

ISSN: 0169-5150 ; E-ISSN: 1574-0862 ; DOI: 10.1111/agec.12227

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  • Nhan đề:
    Yield and income effects of rice varieties with tolerance of multiple abiotic stresses: the case of green super rice (GSR) and flooding in the Philippines
  • Tác giả: Yorobe, Jose M. ; Ali, Jauhar ; Pede, Valerien O. ; Rejesus, Roderick M. ; Velarde, Orlee. P. ; Wang, Huaiyu
  • Chủ đề: Q12 ; Q16 ; Technology Adoption ; Stress‐Tolerant Rice ; Impact Evaluation ; Fixed‐Effects
  • Là 1 phần của: Agricultural Economics, May 2016, Vol.47(3), pp.261-271
  • Mô tả: With the increasing frequency of extreme climatic events, the new challenge is to develop rice varieties that are tolerant of drought, water submergence, and salinity. There are now new high‐yielding green super rice (GSR) cultivars developed at the International Rice Research Institute with increased tolerance to multiple abiotic stresses. But a clear understanding of the economic benefits of these varieties under farmers’ production environments is not yet fully understood. In this article, we assess the yield and income effects of GSR rice varieties using a two‐year panel data from one province. We use matched samples from a propensity score matching method and a fixed‐effects model within a difference‐in‐difference (DID) framework to estimate the yield effects. The income effects were evaluated using the parameter estimates from the yield/production function model. The results of the ordinary least squares and DID fixed‐effects regressions reveal significant and positive effects of GSR varieties on yield. The most important finding is that the benefits from these varieties are strongly felt when there is flooding. This evidence was not as robust when matched samples were used. However, it is clear that the yield benefits from GSR varieties could improve rice food security and help alleviate poverty in the country.
  • Số nhận dạng: ISSN: 0169-5150 ; E-ISSN: 1574-0862 ; DOI: 10.1111/agec.12227

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