Potential use of sea water for pineapple production in BRIS soil
2010
Hanifi, M.M. (Universiti Putra Malaysia, Selangor (Malaysia). Inst. of Tropical Agriculture) | Shahidullah, S.M. (Universiti Putra Malaysia, Selangor (Malaysia). Inst. of Tropical Agriculture) | Niazuddin, M. (Universiti Putra Malaysia, Selangor (Malaysia). Dept. of Land Management) | Aziz, A.A. (Universiti Putra Malaysia, Selangor (Malaysia). Dept. of Biological and Agricultural Engineering) | Mohammud, C.H. (Mechanization and Automation Research Centre, Kuala Lumpur (Malaysia))
An experiment was conducted to determine the response of four seawater treatments on an improved pineapple genotype "N-36" grown in Beach Ridges Interspersed with Swales (BRIS) soil. Sea water treatments were prepared by substitution of K with Na ions i.e., 0% (in control), 15%, 30% and 60% of required K doses were replaced by Na ions from sea water. Treatment effects were non-significant up to 30% sodium replacement from seawater. Na replacement (60%) showed significant impact on different growth parameters at different stages (8-10 months after planting). However, the fruit yield, the final target of crop harvest was not adversely affected at significance level. Therefore, seawater irrigation can easily fulfil 60% dose of potassium fertilizer by sodium ions for the production of pineapple in BRIS soil.
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