Mohd Yusuff, M. T. (2011). Effects of amending urea with humic acid and acid sulphate soil in reducing ammonia loss and nitrogen uptake by maize plant.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mohd Yusuff, Mohd Taufik. Effects of Amending Urea with Humic Acid and Acid Sulphate Soil in Reducing Ammonia Loss and Nitrogen Uptake by Maize Plant. 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mohd Yusuff, Mohd Taufik. Effects of Amending Urea with Humic Acid and Acid Sulphate Soil in Reducing Ammonia Loss and Nitrogen Uptake by Maize Plant. 2011.
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