High efficiency production and water-saving crop rotation systems in Shiyang River Area

Zhi-qiao, HU; Tian, Xiaohui; Zhang, Jiudong; Bao, Xing‐Guo; Zhongming, Ma

doi:10.3724/sp.j.1011.2011.00561

Cited by 3 publications

(1 citation statement)

References 4 publications

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“…Land reclamation inevitably exacerbates environmental sustainability risks, including groundwater scarcity and soil erosion, and will amplify desertification in arid and semiarid regions (Kuang et al, 2022). Indeed, large-scale cultivation of sand rice increases irrigation water consumption, and the current water supplement per hectare is approximately 1.80 × 10 3 m 3 year −1 , which is substantially lower than that of spring wheat (3.60 × 10 3 -4.68 × 10 3 m 3 year −1 ) in Gansu Province (Hu et al, 2011;Zhang & Wang, 2019). Refining field management and the timing coordination between temporal precipitation and irrigation could further improve the efficiency of irrigation water use.…”

Section: Ecological Sustainability and Sand Rice Cultivationmentioning

confidence: 99%

Sand rice, a promising future crop for desert and marginal lands in northern China

Zhao,

Ran,

Sun

et al. 2023

Grassland Research

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The pioneer Amaranthaceae species sand rice (Agriophyllum squarrosum) is an annual psammophyte that is widely distributed in the deserts and sand fields of northern China. The well‐balanced nutritional values, long consumption history, and extreme stress tolerance of sand rice have fascinated scientists, prompting its development as a climate‐resilient crop. Sand rice has been successfully introduced and cultivated on sandy and loess lands over the past decade, while large‐scale artificial planting has been carried out in the Ulan Buh and Tengger deserts. However, the yield is far below the maximum potential, as estimated by the highest yield per plant ever found in the Tengger desert during our survey of wild populations. The current domestication of sand rice relies mainly on natural selection and mutagenesis breeding. A few elite lines with modified agronomic traits, such as compact architecture, high productivity, reduced trichomes, and short plant stature, have been developed from natural populations and a chemical mutagenesis library. Breeding new cultivars and broader cultivation of sand rice in deserts and marginal lands will stimulate economic growth and diversify the food supply, especially for the area west of the Hu Huanyong Line, thus contributing to environmental sustainability in northern China.

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Section: Ecological Sustainability and Sand Rice Cultivationmentioning

confidence: 99%

Sand rice, a promising future crop for desert and marginal lands in northern China

Zhao,

Ran,

Sun

et al. 2023

Grassland Research

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Analysis of precipitation time characteristics in key water demand period of main crops in Western Guanzhong

Xia

Huang

2020

IOP Conf. Ser.: Mater. Sci. Eng.

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Based on the daily precipitation data of seven meteorological stations in the western part of Guanzhong area from 1970 to 2016, the time characteristics of precipitation series are analysed by using the methods of sliding t-test, wavelet analysis and R/S. The results showed that the annual precipitation, summer maize and winter wheat precipitation in the key water demand period generally showed no significant downward trend, and there is no significant mutation point. It will maintain the change characteristics consistent with the recent historical period in the future, which provides certain reference for the regional water resources planning and reasonable allocation, agricultural planting structure adjustment, and irrigation system improvement.

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Evaluation of the Long-Term Water Balance in Selected Crop Rotations with Alfalfa in a Soil-Heterogeneous Lowland Region of the Czech Republic

Placatová,

Papaj,

Fučík

et al. 2024

Agronomy

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The Czech Republic has diverse soil conditions, which cause notable differences in crop water balance (WB). To assess the long-term crop WB and crop water stress (CWS) intensity in rainfed conditions, four conventional eight- and ten-year crop rotations (CRs) with perennial forage (alfalfa), cereals, oilseeds, root crops and legumes were proposed for a heterogeneous lowland soil region (six texture classes) in eastern Bohemia. Two of the CRs were selected irrespective of the WB (eight-year, C-8; ten-year, C-10), and the other two were designated according to soil water resources and crop water requirements (CWRs) as water-saving (W-S) and water-demanding (W-D) for this region. All CRs had a negative WB on average (i.e., CWRs exceeded the available water resources), with varying degrees of CWS (categories 1 (low) to 4 (high)). The W-S CR reduced the WB deficit relative to the other CRs by omitting maize, sunflower and sugar beet and including sorghum, and expanded the proportion of the area not affected by CWS (categories 1–2) to 33% for predominantly loamy soils. In contrast, categories 1–2 in the C-8, C-10 and W-D CRs represented only 15%, 14% and 7% of the area, respectively. Other areas were significantly affected by CWS (categories 3–4) and showed a high risk of yield reduction. These results may help in implementing sustainable farming systems that consider environmental perspectives related to agricultural water use in Central Europe.

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High efficiency production and water-saving crop rotation systems in Shiyang River Area

Cited by 3 publications

References 4 publications

Sand rice, a promising future crop for desert and marginal lands in northern China

Sand rice, a promising future crop for desert and marginal lands in northern China

Analysis of precipitation time characteristics in key water demand period of main crops in Western Guanzhong

Evaluation of the Long-Term Water Balance in Selected Crop Rotations with Alfalfa in a Soil-Heterogeneous Lowland Region of the Czech Republic

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