Interaction between soil water and fertilizer utilization on maize under plastic mulching in an arid irrigation region of China

Hao, Qing; Wu, Lihong; Ding, Dianyuan; Yang, Zeyuan; Wang, Naijiang; Chen, Guangjie; Li, Cheng; Dong, Qianli; Feng, Hao; Zhang, Tibin; Siddique, Kadambot H. M.

doi:10.1016/j.agwat.2022.107494

Cited by 10 publications

(4 citation statements)

References 64 publications

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“…In our study, irrigation significantly increased the NPFP of oilseed flax under the same nitrogen application level but it decreased with nitrogen application level increase. A similar result was also reported by Ma et al [ 35 ] and Quan et al [ 36 ], who reported that the excessive N led to reduced NFP.…”

Section: Discussionsupporting

confidence: 90%

Water and Nitrogen Coupling Increased the Water-Nitrogen Use Efficiency of Oilseed Flax

Cui

Effah

Yan

et al. 2022

Plants

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Increasing water shortages and environmental pollution from excess chemical nitrogen fertilizer use necessitate the development of irrigation-nitrogen conservation technology in oilseed flax production. Therefore, a two-year split-plot design experiment (2017–2018) was conducted with three types of irrigation (I) levels (no irrigation (I0), irrigation of 1200 m3 ha−1 (I1200), and 1800 m3 ha−1 (I1800)) as the main plot and three nitrogen (N) application rates (0 (N0), 60 (N60) and 120 (N120) kg N ha−1) as the subplot in Northwest China to determine the effects of irrigation and N rates on oilseed flax grain yield, yield components, water-use efficiency (WUE), and N partial factor productivity (NPFP). The results show that I1800 optimized the farmland water storage and water storage efficiency (WSE), which gave rise to greater above-ground biomass. Under I1800, the effective capsule (EC) number increased significantly with increasing irrigation amounts, which increased significantly with increasing nitrogen application rate (0–120 kg ha−1). Both irrigation and nitrogen indirectly affect GY by affecting EC; the highest grain yield was observed at the I1800N60 treatment, which increased by 69.04% and 22.80% in 2017 and 2018 compared with the I0N0 treatment, respectively. As a result, both irrigation and N affect grain yield by affecting soil water status, improving above-ground biomass, and finally affecting yield components. In addition, I1800N60 also obtained a higher WUE and the highest NPFP due to a higher grain yield and a lower N application rate. Hence, our study recommends that irrigation with 1800 m3 ha−1 coupled with 60 kg N ha−1 could be a promising strategy for synergistically improving oilseed flax WUE, grain yield and yield components within this semi-arid region.

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Section: Discussionsupporting

confidence: 90%

Water and Nitrogen Coupling Increased the Water-Nitrogen Use Efficiency of Oilseed Flax

Cui

Effah

Yan

et al. 2022

Plants

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“…However, after harvest, nitrate can accumulate as NO 3 − -N, which can leach into groundwater and threaten cropland ecosystems [6]. The growth of crops gradually reduces soil NO 3 − -N as plants accumulate nitrogen [35]. In this study, soil NO 3 − -N residue decreased below the root zone under NL treatment compared with other treatments.…”

Section: Effects Of Different Drip Tape Layout and Flow Rate On Soil ...mentioning

confidence: 57%

Effects of Drip Tape Layout and Flow Rate on Water and Nitrogen Distributions within the Root Zone and Summer Maize Yield in Sandy Tidal Soil

Sun,

Zhang,

et al. 2023

Agronomy

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Drip tape layout and flow rate are crucial variables that impact the effects of drip fertigation. To investigate the influence of drip tape layout and flow rate on the soil water and nitrogen transport in summer maize in sandy tidal soil, field experiments were conducted for two years. Two drip tape layouts were set: one tape serving for two crop rows (N) and one tape serving for each crop row (E), with two levels of drip flow rate, i.e., high (2 L/h; H) and low (1.3 L/h; L). The results show that under the same drip tape layout, the lower the drip emitter flow rate, the more upright the shape of wetted soil volume. The maximum vertical and horizontal water transport distance under NL treatment was higher than that under NH, EH, and EL treatments. After surface drip fertigation, nitrate nitrogen accumulated near and at the edge of the wetted soil volume. In 2020, under NL treatment, nitrate nitrogen transported to a 55 cm soil layer, which was 22.22%, 71.42%, and 57.14% deeper than that under NH, EH, and EL treatments, respectively. In 2021, nitrate nitrogen could transport to a 60 cm soil layer in both NL and NH treatments. The maximum concentration of ammonium nitrogen was nearby the emitter. Under NL treatment, ammonium nitrogen was transported to 48 and 60 cm soil layers below the emitter in 2020 and 2021, respectively, which was deeper than that observed under NH, EH, and EL treatments. The soil inorganic nitrogen residue of the NL was lower than that of the NH, EH, and EL treatments. Compared with NH, EH, and EL treatments, the two-year maize yield under NL treatment increased by 11.09%, 13.47%, and 8.66% on average, respectively. NL treatment exhibited the highest water use efficiency and nitrogen fertilizer productivity. Therefore, NL treatment (one drip tape serving for two rows with 1.3 L/h flow rate) could promote the absorption of water and nutrients, reduce inorganic nitrogen residue, and to obtain high maize yield in sandy tidal soil.

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“…The water use efficiency for grain yield (WUEgy) and shoot DM (WUEdm) were calculated as following [ 51 ]: WUE gy = grain yield/ETa WUE dmn = Shoot DM n /ETa n where ETa is the total ETa throughout the maize entire growing season. In order to identify the effect of seedling-stage DI and N fertilization on plant water consumption and WUE at different growth periods, the ETa and Shoot DM were divided into four periods (i.e., ETa n and Shoot DM n , n = 1, 2, 3, 4, respectively, indicating S–BDI, BDI–ADI, ADI–R1 and R1–R6, respectively).…”

Section: Methodsmentioning

confidence: 99%

Seedling-Stage Deficit Irrigation with Nitrogen Application in Three-Year Field Study Provides Guidance for Improving Maize Yield, Water and Nitrogen Use Efficiencies

Chen

Tian

et al. 2022

Plants

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Deficit irrigation (DI) was acknowledged as an effective technique to improve water use efficiency (WUE) without significant yield reduction. In this study, a 3-year field experiment was conducted in Northeast China during 2017–2019 to investigate the combined effects of 3-week DI from 3-leaf stage and N fertilization on maize seedling growth and determine the resulting impacts on silking growth and yield formation, N use efficiency (NUE) and WUE. Results showed that seedling-stage DI decreased leaf area and photosynthesis, thus significantly limited shoot and root dry biomass for maize seedling, compared to well-watered (WW) plants. In 2017 and 2019, seedling-stage DI positively improved seedling growth with higher root: shoot ratio and enhanced drought tolerance, under higher initial soil water contents (SWC) with sufficient precipitation before DI. The DI-primed plants showed similar or better performances on reproductive growth, grain yield, WUE and NUE compared to WW plants, even experiencing heavy rainfall or drought stresses around the silking stage. However, the contrasting results were observed in 2018 with negative DI effects on seedling and silking growth and final yield, probably due to less rainfall and lower SWC before DI. In all 3 years, N fertilization had significant compensatory effects on limited seedling growth under DI, and its effect was much less in 2018 than other years due to adverse early climate. The principal component and correlation analysis revealed maize silking growth, grain yield, NUE and WUE were strongly related to the seedling growth as affected by water and N managements under various climatic conditions. In conclusion, a short-term and moderate DI regime—adopted at the seedling stage under higher initial SWC and coupled with an appropriate N fertilization—is beneficial to control redundant vegetative growth while optimizing root development, therefore effectively improving drought tolerance for maize plants and achieving higher grain yield, WUE and NUE.

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Interaction between soil water and fertilizer utilization on maize under plastic mulching in an arid irrigation region of China

Cited by 10 publications

References 64 publications

Water and Nitrogen Coupling Increased the Water-Nitrogen Use Efficiency of Oilseed Flax

Water and Nitrogen Coupling Increased the Water-Nitrogen Use Efficiency of Oilseed Flax

Effects of Drip Tape Layout and Flow Rate on Water and Nitrogen Distributions within the Root Zone and Summer Maize Yield in Sandy Tidal Soil

Seedling-Stage Deficit Irrigation with Nitrogen Application in Three-Year Field Study Provides Guidance for Improving Maize Yield, Water and Nitrogen Use Efficiencies

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