Phosphorus status of some highly weathered soils in peninsular Thailand and availability in relation to citrate and oxalate application von Onthong, J. (Hokkaido Univ., Sapporo (Japan). Faculty of Agriculture), Osaki, M, Nilnond. C, Tadano, T

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Sago (Metroxylon sagu Rottb.) growth is affected by weeds in a tropical peat swamp in Thailand von Yanbuaban, M.(Hokkaido Univ., Sapporo (Japan)), Osaki, M, Nuyim, T, Onthong, J, Watanabe, T

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Using potash fertilizer to improve fruit development and fruit quality of longkong (Aglaia dookoo Griff.) von Praprutdee, O., Rajamangala University of Technology Srivijaya. Nakorn Si Thammarat Campus, Nakhon Si Thammarat (Thailand). Department of Plant Sciences, Onthong, J., Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Nilnold, C., Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science

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Tentative standard concentration values of iron, manganese, zinc, copper and boron in longkong (Aglaia dookkoo Griff.) leaf von Onthong, J., Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Tirapat, P., Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Sukmee, K., Pikunthong Royal Development Study Centre, Narathiwat (Thailand)

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Some properties of longkong growing soils in Songkhla and Narathiwat province and management von Pechkeo, S., Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Onthong, J., Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Sae-Ong, M., Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Malee, N., Pikunthong Royal Development Study Centre, Narathiwat (Thailand)

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Effect of lime, gypsum and potassium chloride on growth and nutrient uptake of longkong (Aglaia dookkoo Griff.) seedlings von Onthong, J., Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Pechkeo, S., Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Gimsanguan, S., Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Malee, N., Pikunthong Royal Development Study Centre, Narathiwat (Thailand)

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Nutrient requirements and fertilizer effect on fruit development and yield quality of longkong von Plongon, Y., Onthong, J., and Sea-lim, M.

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Standard sampling method of Longkong leaf for evaluation of plant nutrient status von Sae-lim, M., Nualsri, C., Pechkeo, S., Onthong, J., Gimsanguan, S.

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Effect of cattle manure and dolomite on soil properties and plant growth in acid upland soils von Saranya Dam-ampai, Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Jumpen Onthong, Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Chairatna Nilnond, Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science

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Evaluation of Biogas Production Potential from Raw and Processed Agricultural Wastes von Onthong, Usa, Juntarachat, Niramol

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Nutrient requirements and fertilizer effect on fruit development and yield quality of longkong von Jumpen Onthong, Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Yanyong Plongon, Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Earth Science, Mongkhon Sea-lim, Prince of Songkla University. Hat Yai Campus, Songkhla (Thailand). Faculty of Natural Resources. Department of Plant Science

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Removal of Hydrogen Sulfide from Biogas using Laterite Materials as an Adsorbent von Thanakunpaisit, Natthakkan, Jantarachat, Niramol, Onthong, Usa

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Standard sampling method of longkong leaf for evaluation of plant nutrient status von Onthong, J, Pechkeo, S, Nualsri, C, Sae-lim, M, Gimsanguan, S. (Prince of Songkla Univ., Songkhla (Thailand). Faculty of Natural Resources. Dept. of Earth Science)

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Modified Off–Season Technology to the Flowering Time and Fruit Yield of Arumanis Mango ( Mangifera indica L.) von Husen, Syarif, Ishartati, Erny, Muhidin, Muhidin, Dwi Siskawardani, Devi, Rizky, Anjar, Syaifudin, Akhmad, Onthong, Jumpen

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Coadsorption of ammonia and methanol on H-zeolites and alkaline-exchanged zeolites von Limtrakul, Jumras, Onthong, Usa

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