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2007•Journal of Anhui Science and Technology UniversityRequires access

Effect of Nitrogen Forms on Nitrogen Metabolism of Spinach

Zhao Jian-rong

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Abstract

The effect of nitrogen forms on the nitrogen metabolism was significant.Contents of nitrate nitrogen in spinach shoot and root linear increased with the NH4+-N/ NO3——N ratio,meanwhile,content of ammonium in root decreased sharply.Contents of ammonium nitrogen in shoot among varying treatments were not significantly difference.Effects of NH4+-N/ NO3-N ratio on the contents of nitrogen in all spinach organs were slight.Nitrogen accumulation in spinach plant increased with the decrease of NH4+-N/ NO3——N ratio.

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The effect of nitrogen forms on the nitrogen metabolism was significant.Contents of nitrate nitrogen in spinach shoot and root linear increased with the NH4+-N/ NO3——N ratio,meanwhile,content of ammonium in root decreased sharply.Contents of ammonium nitrogen in shoot among varying treatments were not significantly difference.Effects of NH4+-N/ NO3-N ratio on the contents of nitrogen in all spinach organs were slight.Nitrogen accumulation in spinach plant increased with the decrease of NH4+-N/ NO3——N ratio.

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Available abstract

The effect of nitrogen forms on the nitrogen metabolism was significant.Contents of nitrate nitrogen in spinach shoot and root linear increased with the NH4+-N/ NO3——N ratio,meanwhile,content of ammonium in root decreased sharply.Contents of ammonium nitrogen in shoot among varying treatments were not significantly difference.Effects of NH4+-N/ NO3-N ratio on the contents of nitrogen in all spinach organs were slight.Nitrogen accumulation in spinach plant increased with the decrease of NH4+-N/ NO3——N ratio.

Key concepts: Spinach, Nitrogen, Ammonium, Shoot, Chemistry, Nitrate, Nitrogen cycle, Metabolism

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