Analysis on foreign magnesium-containing macronutrient fertilizer products
LU Zhen-ya1,2, JI Ting-ting1,2, WANG Hao-bin3, HOU Cui-hong3
1. College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China; 2. National Academy of Agriculture Green Development, China Agricultural University, Beijing 100193, China; 3. School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China
Abstract: Information data about 869 groups of macronutrient fertilizer products made by 14 world-famous fertilizer enterprises are analyzed,and the results show that foreign fertilizer companies attach importance to the addition of magnesium in macronutrient fertilizer products.Magnesium-containing macronutrient fertilizer products holds a proportion of 54.7%.In terms of nutrient content,the average magnesium content is 2.4% by counting on MgO,and there is no significant difference in magnesium content between different fertilizer types and different suitable crops.In terms of nutrient forms,magnesium nutrient exists mainly as magnesium sulfate within compound fertilizers,water-soluble fertilizers and foliar fertilizers,while it exists mainly as magnesium sulfate and magnesium oxide together within blended fertilizers.In terms of nutrient formula,the ratios of nitrogen to magnesium and potassium to magnesium are commonly in the range of 5-8,which accounting for 35.8% and 29.3% respectively;and the ratio of phosphorus to magnesium is mainly between 2-5,accounting for 53.9%.Analysis results can provide reference for China's innovative development in Mg-containing macronutrient fertilizers.
鲁振亚, 籍婷婷, 王好斌, 侯翠红. 国外含镁大量元素肥料产品现状分析[J]. 现代化工, 2021, 41(3): 1-5.
LU Zhen-ya, JI Ting-ting, WANG Hao-bin, HOU Cui-hong. Analysis on foreign magnesium-containing macronutrient fertilizer products. Modern Chemical Industry, 2021, 41(3): 1-5.
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