What question did this study set out to answer?

To compare the yield production of conventional flooded paddy rice against the System of Rice Intensification (SRI) using the IR 2793-80-1 rice cultivar.

January 1, 2020American Journal of Water Science and EngineeringOpen Access

Comparative Study of Rice Yield Production for Conventional Paddy Rice and Systems of Rice Intensification

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Authors

GTGideon TooUniversity of Eldoret JKJulius Kipkemboi KollongeiTechnical University of Darmstadt JOJapheth Ogalo OnyandoEgerton University

Discussion

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Implication

Randomized experimental trial demonstrates increased grain yield with the System of Rice Intensification in rice cultivars, indicating that younger seedlings and wider spacing improve productivity.

Key Points

To compare the yield production of conventional flooded paddy rice against the System of Rice Intensification (SRI) using the IR 2793-80-1 rice cultivar.
Conducted a field trial at the Ahero Irrigation Scheme in Kenya using a randomized complete block design with three replications.
Evaluated the IR 2793-80-1 cultivar under conventional continuous flooding versus SRI practices featuring young seedlings (transplanted at 8–11 days) and 20 cm by 20 cm spacing.
SRI with 20 cm by 20 cm spacing and 8–11-day seedlings produced 321 effective tillers/m² compared to 226 effective tillers/m² under conventional flooding.
Average seed yield per plant was significantly higher in SRI at 39.61 g compared to 17.32 g in traditional paddy systems.
Overall seed yield reached 4.7 t/ha under optimal SRI management compared to 2.7 t/ha under traditional flooding.

Cite This Study

Too et al. (2020) studied this question.

synapsesocial.com/papers/6a71f09178a11c550e0bde3f https://doi.org/10.11648/j.ajwse.20200602.13

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Implication

Randomized experimental trial demonstrates increased grain yield with the System of Rice Intensification in rice cultivars, indicating that younger seedlings and wider spacing improve productivity.