Effects of drip irrigation system uniformity and nitrogen applied on deep percolation and nitrate leaching during growing seasons of spring maize in semi-humid region

Zhen, Wang; Li, J.; Li, Y.

doi:10.1007/s00271-013-0425-x

Cited by 37 publications

(22 citation statements)

References 36 publications

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“…Proper irrigation schedules and reducing the N rates could keep the leaching losses to a minimum [26]. For example, high irrigation frequency could reduce NO3 − leaching and N rates had a significant effect on NO3 − leaching under drip irrigation [5,25]. However, these experiments were conducted for sugarbeets, tomatoes and maize.…”

Section: Introductionmentioning

confidence: 94%

“…Then the solution was extracted for 36 h and the soil solution samples extracted were sent to the laboratory to be frozen in a 50-mL polypropylene bottle. After the harvest, the soil solution samples were analyzed for NO3 − -N concentration using an Auto Analyzer (Bran + Luebbe, Germany) [5]. The NO3 − -N leaching losses (LN) were estimated from NO3 − -N concentration in the suction cups and the amount of deep percolation loss as [35]:…”

Section: Nitrate N Loss Assessmentmentioning

confidence: 99%

“…KCl, and the NO3 − -N concentrations were determined by an Auto Analyzer (colorimetric method; Bran + Luebbe, Hamburg, Germany) [5,30].…”

Section: Soil Samplingmentioning

confidence: 99%

“…As one of the main grain-producing areas in China, the NCP accounts for 30% of the national food production [5]. Winter wheat (Triticum aestivum L.) is a major crop in the region, primarily limited by seasonal rainfall [6].…”

Section: Introductionmentioning

confidence: 99%

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Effect of Nitrogen and Irrigation Application on Water Movement and Nitrogen Transport for a Wheat Crop under Drip Irrigation in the North China Plain

Sui

Wang

Gong

et al. 2015

Water

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For improving water scarcity and groundwater pollution from agriculture, two-year experiments (2011)(2012)(2013) with three water levels (0.3, 0.5 and 0.8 evaporation (E) in 20-cm-diameter pans) and four nitrogen (N) levels (120, 140 and 190 kg·ha in 2013) were conducted to study effects of water and N availability on water movement and N transport for a wheat crop under drip irrigation in the North China Plain. The results indicated that under drip irrigation, deep percolation at 1-m depth was stable at 0.5-0.8 E with the same N rate for winter wheat. At 0.5-0.8 E, deep percolation was also relatively stable with increasing N rate from 120 to 140 kg·ha . The irrigation schedule and N rates only affected N leaching below the root zone of winter wheat (60-cm depth), while the N residual in the soil layer presented more risk to the environment than N leaching. In general, the 290-kg-ha −1 N level was not recommended using drip fertigation for winter wheat in the North China Plain. The empirical equation given by the Ministry of Geology and Mineral Resources was also not recommended for estimating the drainage under drip irrigation. OPEN ACCESSWater 2015, 7 6652

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Section: Introductionmentioning

confidence: 94%

Section: Nitrate N Loss Assessmentmentioning

confidence: 99%

“…KCl, and the NO3 − -N concentrations were determined by an Auto Analyzer (colorimetric method; Bran + Luebbe, Hamburg, Germany) [5,30].…”

Section: Soil Samplingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of Nitrogen and Irrigation Application on Water Movement and Nitrogen Transport for a Wheat Crop under Drip Irrigation in the North China Plain

Sui

Wang

Gong

et al. 2015

Water

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“…In the present study, NO 3 -N was selected as the N source and applied at a rate of 37.5 kg ha -1 , which approximated the conventional N usage for a typical fertigation event of maize (Wang et al, 2014a). For properly designed and managed drip irrigation systems, water percolation and nitrate leaching most likely occurred immediately following the cease of an irrigation or fertigation event even if no rainfall occurred (Lamm et al, 2007;Wang et al, 2014c). A simulation duration of four days (96 h), which was considered to cover possible deep percolation for a typical irrigation event (Wang et al, 2014c), was therefore selected in this study.…”

Section: Model Descriptionmentioning

confidence: 99%

Assessing the Effects of Drip Irrigation System Uniformity and Spatial Variability in Soil on Nitrate Leaching through Simulation

2016

Trans.ASABE

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Water use characteristics of an early and late maturing maize hybrid using stable isotopes

Wang,

Chen,

Ren

et al. 2024

Agronomy Journal

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Water requirements of early‐maturing maize hybrids might be lower than those of late‐maturing maize hybrids. This study aimed to analyze the effects of different irrigation management on grain yield (GY), water uptake patterns, evaporation (E), and transpiration (T) of two maize hybrids differing in maturity via stable isotope method. The field experiment with 36 lysimeters (4 m wide × 4 m long) under rain‐shelterswas conducted with an early‐maturing (DH518, EM) and a mid‐ and late‐maturing (DH605, LM) hybrid with three replicates from 2021‐2022. Maize plants were grown under three irrigation amounts (W1, W2 and W3 was irrigated to maintain soil moisture at 45%, 60%, and 75% of field capacity, respectively) by flood (FI) and drip (DI) irrigation under rain‐out shelters. Results showed GY and evapotranspiration (ET) of EM were 8% and 12% lower, while the crop water productivity (CWP) was 6% higher than that of LM. Water uptake of both hybrids occurred mainly within 0‐60 cm soil layer during the vegetative stage. Water uptake of both hybrids occurred mainly within 0‐60 cm soil layer during the vegetative stage. Summer maize under FI absorbed more water from deep soil layer than DI in the late growth stage. Compared with LM, the water absorption depth of EM became shallower in the late growth stage. Water uptake of maize was mainly from the deeper soil under water stress conditions. E of total ET accounts for 43% under DI and 57% under FI, GY and CWP were 22% and 51% higher than those of FI. Together with choosing early‐maturing hybrids, optimization of water management with DIW3 could achieve higher GY and CWP. The optimization of irrigation method and hybrids could provide a reference for local farmers to improve grain yield and CWP.This article is protected by copyright. All rights reserved

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Effects of drip irrigation system uniformity and nitrogen applied on deep percolation and nitrate leaching during growing seasons of spring maize in semi-humid region

Cited by 37 publications

References 36 publications

Effect of Nitrogen and Irrigation Application on Water Movement and Nitrogen Transport for a Wheat Crop under Drip Irrigation in the North China Plain

Effect of Nitrogen and Irrigation Application on Water Movement and Nitrogen Transport for a Wheat Crop under Drip Irrigation in the North China Plain

Assessing the Effects of Drip Irrigation System Uniformity and Spatial Variability in Soil on Nitrate Leaching through Simulation

Water use characteristics of an early and late maturing maize hybrid using stable isotopes

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