Development of forage maize yield–water functions by applying simultaneous different levels of irrigation and treated municipal wastewater

Abbasi, Pedram; Babazadeh, Hossein; Yargholi, Bahman; Bakhoda, Hossein

doi:10.1002/ird.2761

Cited by 3 publications

(1 citation statement)

References 36 publications

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“…However, drought events often occur during maize growth cycles, primarily due to the semiarid conditions prevalent in the Loess Plateau, characterized by limited water resources, sporadic rainfall, and the erratic distribution patterns of precipitation [11]. Maize is a C4 crop, characterized by its high water requirement of 450-550 mm per year, while forage maize showed an advantage in a lower water requirement of less than 400 mm due to its shorter growth period and smaller plant sizes [12]. Nevertheless, compounded by the predominance of small-scale farming, where tillage is often carried out using smaller machinery, forage maize productivity was often constrained by shallow tillage layers, compacted soil layers, and low nutrient uptake [13].…”

Section: Introductionmentioning

confidence: 99%

Effects of Deep Vertical Rotary Tillage on Soil Water Use and Yield Formation of Forage Maize on Semiarid Land

Fang,

Tan,

Hou

et al. 2024

Agriculture

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Forage maize is one of the most important feed crops for livestock production, and is mainly grown in northwest China. However, their growth is often stressed by limited soil water availability due to the arid climate. To provide more soil moisture, a high-efficiency tillage technique was required to make crops effectively use soil moisture in deep soil layers. Deep vertical rotary tillage is a promising choice for this purpose. In this study, a long-term (2020–2022) field experiment consisting of three treatments, i.e., traditional tillage (TT), deep rotary tillage (DT), and deep vertical rotary tillage (VRT), was carried out in semiarid areas of Loess Plateau, northwest China, to investigate the effects of VRT on soil water storage (SWS), phase crop evapotranspiration (ETc) during the pre- and post-flowering periods, dry matter accumulation, grain yields and the water use efficiency (WUE) of forage maize. The results showed that VRT significantly improved the absorption of soil moisture from deep layers, especially in dry years. During the pre-flowering period of a dry year (2020), VRT decreased SWS by 7.6%–10.0% in the 60–180 cm layer, and by 17.6%–18.5% in the 180–300 cm layer, respectively, compared to DT and TT. As a result, VRT increased ETc during the pre-flowering period by 6.1% and 9.2%, respectively. In wet years (2021 and 2022), VRT increased total ETc by 2.0%–7.9% in 2021, and by 10.1%–14.9% in 2022, respectively. On average, VRT increased the dry matter weight per plant by 1.0%–7.8%, grain yields by 2.4%–38.6%, biomass yields by 3.4%–16.2%, and WUE by 10.1%–30.0%, respectively. Particularly, the benefit of VRT for increasing yields and WUE was more noticeable in dry years. It can be concluded that VRT is a drought-tolerant and yield-boosting tillage technique that is suitable for rain-fed forage maize in semiarid areas of Loess Plateau, northwest China.

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Section: Introductionmentioning

confidence: 99%

Effects of Deep Vertical Rotary Tillage on Soil Water Use and Yield Formation of Forage Maize on Semiarid Land

Fang,

Tan,

Hou

et al. 2024

Agriculture

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Sorghum and pearl millet as sustainable alternative forage options for water limited environments: Opportunities and challenges

Cruz,

Saini,

Aviles

et al. 2024

Advances in Agronomy

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Reduction of blue and total water footprints per unit biomass yield of silage maize with grey water footprint input in subsurface drip irrigation

Cakmakci,

Sahin

2024

Water Science &Amp; Technology

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Reducing blue and total water footprint outputs in irrigated agriculture with greywater footprint input from irrigation with recycled wastewater is an issue that needs to be investigated in protecting freshwater resources by increasing water availability. Therefore, the effect of three different irrigation levels of recycled wastewater and freshwater in the subsurface irrigation (SSDI), surface drip irrigation (SDI), and furrow irrigation (FI) methods on the blue, green, grey, and total water footprints per unit yield of silage maize, which is widely produced worldwide and has high water consumption, was investigated with a 2-year field study. The blue and total water footprints per unit fresh and dry biomass yields in the SSDI were 1.20–1.23-fold lower than that in the SDI and 1.69–1.76-fold lower than that in the FI. Full wastewater irrigation provided the lowest blue, green, and total water footprints per unit yield across all methods. Full wastewater irrigation under SSDI provided the lowest total water footprint per unit fresh biomass yield, similar to the 33% deficit irrigation practice with wastewater. It was concluded that full irrigation with recycled wastewater as a greywater resource under SSDI may be the most suitable application for the sustainable management of scarce blue water resources.

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Development of forage maize yield–water functions by applying simultaneous different levels of irrigation and treated municipal wastewater

Cited by 3 publications

References 36 publications

Effects of Deep Vertical Rotary Tillage on Soil Water Use and Yield Formation of Forage Maize on Semiarid Land

Effects of Deep Vertical Rotary Tillage on Soil Water Use and Yield Formation of Forage Maize on Semiarid Land

Sorghum and pearl millet as sustainable alternative forage options for water limited environments: Opportunities and challenges

Reduction of blue and total water footprints per unit biomass yield of silage maize with grey water footprint input in subsurface drip irrigation

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