| Nitrogen distribution in soil under different nitrogenous and phosphorus fertigation from a point source |
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| DOI：10.7606/j.issn.1000-7601.2008.04.09 |
| Key Words: drip irrigation fertigation N nutrient distribution nitrate-N ammonium-N |
| Author Name | Affiliation | | ZUO Kuiyue | College of Land and Environmental Science Shenyang Agricultural University Liaoning Key Laboratory of Agricultural Resources and Environment,Shenyang,Liaoning 110161,China | | ZHANG Yulong | College of Land and Environmental Science Shenyang Agricultural University Liaoning Key Laboratory of Agricultural Resources and Environment,Shenyang,Liaoning 110161,China | | YU Na | College of Land and Environmental Science Shenyang Agricultural University Liaoning Key Laboratory of Agricultural Resources and Environment,Shenyang,Liaoning 110161,China | | ZHANG Yuling | College of Land and Environmental Science Shenyang Agricultural University Liaoning Key Laboratory of Agricultural Resources and Environment,Shenyang,Liaoning 110161,China |
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| Abstract: |
| The mixed application of different nitrogen and phosphorus fertilizers on soil nitrogen horizontal distribution was studied by indoor simulated drip fertigation．The results showed that the soil water content decreased linearly and distributed horizontally．The soil water content was not affected by different nitrogen fertilizers．The moving of soil NO-3—N was accelerated with the mixed application of nitrogen and phosphorus fertilizer．Soil NH+4—N content was the highest at the drip head and the maximum moving distance was 7．5 cm horizontally． |
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