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01000naa a22002652 4500 |
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DE-627 |
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20231223071142.0 |
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231223s2005 xx ||||| 00| ||eng c |
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|a pubmed24n0517.xml
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|a (DE-627)NLM154986402
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|a (NLM)15850179
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Jeon, J H
|e verfasserin
|4 aut
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|a Mass balance analysis and water quality model development for loading estimates from paddy fields
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|c 2005
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 16.08.2005
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|a Date Revised 19.11.2015
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|a published: Print
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|a Citation Status MEDLINE
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|a Mass balance analysis and water quality model development for paddy field were performed using field experimental data during 2001-2002. About half (47-62%) of the total outflow was lost by surface drainage, with the remainder (490-530 mm) occurring by evapotranspiration. Most of nutrient inflow and outflow were mediated by fertilization and plant uptake, respectively. Nutrient outflow by surface drainage runoff was substantial about 15%-29% for T-N and 6%-13% for T-P. However, the responses of yield and drainage outflow to fertilization were not significant in this study. A water quality model applicable to paddy fields was developed and it demonstrates good agreement with observed data. The nutrient concentration of ponded water was high by fertilization at early culture periods, so reducing surface drainage during fertilization period can reduce nutrient loading from paddy fields. Shallow irrigation, raising the weir height in diked rice fields, and minimizing forced surface drainage are suggested to reduce surface drainage outflow
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|a Journal Article
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|a Fertilizers
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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| 650 |
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7 |
|a Phosphorus
|2 NLM
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| 650 |
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7 |
|a 27YLU75U4W
|2 NLM
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| 650 |
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7 |
|a Nitrogen
|2 NLM
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| 650 |
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7 |
|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Yoon, C G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ham, J H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hwang, H S
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 51(2005), 3-4 vom: 18., Seite 99-105
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
1 |
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|g volume:51
|g year:2005
|g number:3-4
|g day:18
|g pages:99-105
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|a AR
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| 952 |
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|d 51
|j 2005
|e 3-4
|b 18
|h 99-105
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