Global Journal of Agricultural Research (GJAR)

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Straw yield optimization strategy for rice (Oryza sp L. var Nerica L14) regrowth under strictly rainfed conditions : impact on mineral content


In order to increase the quantity and quality of rice straw, experiments were conducted with six types of fertilizers with elemental sources (N-P-K-Ca-Mg-Zn) in Dabou, a locality located in the south of Côte d’Ivoire in the Grand Pont region. Examination of the results showed that fertilisers significantly improve the yield and straw quality of Nerica L 14 rice. However, better yields were obtained with nitrogen (1048.275 kg.ha-1) and phosphorus (810.55 kg.ha-1) as major elements while calcium and zinc as trace elements boosted yields to 763.65 kg.ha-1 and 810.25 kg.ha-1 respectively. As for the mineral content of the straw, only calcium and magnesium had a high influence.

Citation: Gogbeu Dan Gbongué Lucien, Konan Yao Kouakou François Amari Ler-N’ogn Dadé Georges Elisée, Coulibaly Ben Idriss, Camara brahim, Tuo Seydou, Kouakou Tanoh Hilaire and Koné Daouda (2022) Straw yield optimization strategy for rice (Oryza sp L. var Nerica L1) regrowth under strictly rainfed conditions: impact on mineral content, Global Journal of Agricultural Research, Vol.10, No.2, pp.26-35

Keywords: Nerica L14, fertilizers, rice straw, yields

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