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2010•Journal of Anhui Science and Technology UniversityRequires access

Effect of Ratio of Ammonium to Nitrate on Absorbtion of Nitrogen,Phosphorus and Potassium of Spinach

Yue Xie

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Abstract

Effects of different NH_4~+-N/ NO_3~--N ratio on nitrogen metabolism,phosphorus,and potassium uptake of spinach were remarkable.Effects of NH_4~+-N/ NO_3~--N ratio on nitrogen contents of spinach organs were slight.Nitrogen accumulation in spinach plant increased with the decrease of NH_4~+-N/ N0_3~--N ratio.Proper partial replacement of NO_3~--N by NH_4~+-N was beneficial to both of phosphorus and potassium uptake and accumulation, which were the highest in treatment 25:75 in NH_4~+-N/ NO_3~--N ratio.

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Effects of different NH_4~+-N/ NO_3~--N ratio on nitrogen metabolism,phosphorus,and potassium uptake of spinach were remarkable.Effects of NH_4~+-N/ NO_3~--N ratio on nitrogen contents of spinach organs were slight.Nitrogen accumulation in spinach plant increased with the decrease of NH_4~+-N/ N0_3~--N ratio.Proper partial replacement of NO_3~--N by NH_4~+-N was beneficial to both of phosphorus and potassium uptake and accumulation, which were the highest in treatment 25:75 in NH_4~+-N/ NO_3~--N ratio.

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Available abstract

Effects of different NH_4~+-N/ NO_3~--N ratio on nitrogen metabolism,phosphorus,and potassium uptake of spinach were remarkable.Effects of NH_4~+-N/ NO_3~--N ratio on nitrogen contents of spinach organs were slight.Nitrogen accumulation in spinach plant increased with the decrease of NH_4~+-N/ N0_3~--N ratio.Proper partial replacement of NO_3~--N by NH_4~+-N was beneficial to both of phosphorus and potassium uptake and accumulation, which were the highest in treatment 25:75 in NH_4~+-N/ NO_3~--N ratio.

Key concepts: Spinach, Potassium, Nitrogen, Phosphorus, Chemistry, Ammonium, Nitrate, Animal science

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Effect of Ratio of Ammonium to Nitrate on Absorbtion of Nitrogen,Phosphorus and Potassium of Spinach — Research Paper | ScholarLens