2021
DOI: 10.1007/s10333-021-00850-x
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Simulating nitrogen transport in paddy crop irrigated with alternate wetting and drying practice

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Cited by 23 publications
(15 citation statements)
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“…The other reason could be that the plant uptake and cationic NH 4 -N concentration generally bond with the anionic clay particles (9.1%) of the soil in the top layer, restricting the movement of the NH 4 -N ions to the lower layers/drainage. 48 However, in the CNT treatment, the NH 4 -N concentration in ponding water and leachate was the lowest compared to all fertilizer treatments, but the leachate concentration was 32% higher than that in the ponding water. The concentration of NH 4 -N in the CNT treatment may be due to irrigation water and mineralization of organic N from organic matter, crop residues present in the soil, and CEC of soil (Table 2).…”
Section: ■ Resultsmentioning
confidence: 82%
“…The other reason could be that the plant uptake and cationic NH 4 -N concentration generally bond with the anionic clay particles (9.1%) of the soil in the top layer, restricting the movement of the NH 4 -N ions to the lower layers/drainage. 48 However, in the CNT treatment, the NH 4 -N concentration in ponding water and leachate was the lowest compared to all fertilizer treatments, but the leachate concentration was 32% higher than that in the ponding water. The concentration of NH 4 -N in the CNT treatment may be due to irrigation water and mineralization of organic N from organic matter, crop residues present in the soil, and CEC of soil (Table 2).…”
Section: ■ Resultsmentioning
confidence: 82%
“…The average annual solar radiation and wind speed are 197.7 W/m 2 and 2.78 km/h, respectively. Based on the USDA soil textural classification (estimated by the pipette method), the topsoil (0–20 cm) of the study site is classified as sandy loam and the next two layers (20–50 cm and 50–90 cm) are classified as sandy clay loam. ,, The soils of the study site are grouped under alfisols…”
Section: Study Sitementioning
confidence: 99%
“…19 ), the topsoil (0−20 cm) of the study site is classified as sandy loam and the next two layers (20−50 cm and 50−90 cm) are classified as sandy clay loam. 7,8,20 The soils of the study site are grouped under alfisols. 21 2.1.…”
Section: Introductionmentioning
confidence: 99%
“…These models can simulate the crop growth process very well, but the simulation of N transport and transformation is limited. In this regard, HYDRUS-1D has been applied extensively to simulate water, heat, and solute transport in various environments [27,28]. The sequential first-order decay chain is used to describe N transformation among urea, ammonia, and nitrate.…”
Section: Introductionmentioning
confidence: 99%