1. My Scholar, Digital Library Repository, Universiti Malaysia Kelantan

Johan P.D.

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Johan P.D.
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Results 1-5 of 5 (Search time: 0.001 seconds).

Issue DateTitleAuthor(s)
12023Co-Application of Inorganic Fertilizers with Charcoal and Sago Bark Ash to Improve Soil Nitrogen Availability, Uptake, Use Efficiency, and Dry Matter Production of Sorghum Cultivated on Acid SoilsHamidi N.H. ; Ahmed O.H. ; Omar L. ; Ch'Ng H.Y. ; Johan P.D. ; Paramisparam P. ; Musah A.A. ; Jalloh M.B. 
2Oct-2021Co-application of charcoal and wood ash to improve potassium availability in tropical mineral acid soilsParamisparam P. ; Ahmed O.H. ; Omar L. ; Ch'Ng H.Y. ; Johan P.D. ; Hamidi N.H. 
32023Changes in Potassium Sorption and pH Buffering Capacity of Tropical Acid Soils Following Application of Charcoal and Sago Bark AshParamisparam P. ; Ahmed O.H. ; Ch'Ng H.Y. ; Omar L. ; Johan P.D. ; Hamidi N.H. ; Musah A.A. 
4Nov-2021Amending potassic fertilizer with charcoal and sago (Metroxylon sagu) bark ash to improve potassium availability in a tropical acid soilParamisparam P. ; Ahmed O.H. ; Omar L. ; Ch'Ng H.Y. ; Maru A. ; Johan P.D. 
5Nov-2021Acid soils nitrogen leaching and buffering capacity mitigation using charcoal and sago bark ashHamidi N.H. ; Ahmed O.H. ; Omar L. ; Ch'Ng Huck Ywih ; Johan P.D. ; Paramisparam P., Jalloh M.B. ; Jalloh M.B.