How global warming alters future maize yield and water use efficiency in China

2020 ◽  
Vol 160 ◽  
pp. 120229
Author(s):  
Yujie Liu ◽  
Jie Zhang ◽  
Ya Qin
Keyword(s):  
Global Warming ◽  
Water Use Efficiency ◽  
Water Use ◽  
Maize Yield ◽  
Use Efficiency

scholarly journals Optimizing Grain Yield and Water Use Efficiency Based on the Relationship between Leaf Area Index and Evapotranspiration

Agriculture ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 313
Author(s):  
Guoqiang Zhang ◽  
Bo Ming ◽  
Dongping Shen ◽  
Ruizhi Xie ◽  
Peng Hou ◽  
...  
Keyword(s):  
Grain Yield ◽  
Water Use Efficiency ◽  
Leaf Area Index ◽  
Water Use ◽  
Plant Density ◽  
Maize Yield ◽  
Area Index ◽  
Irrigation Level ◽  
Use Efficiency ◽  
The Relationship

Achieving optimal balance between maize yield and water use efficiency is an important challenge for irrigation maize production in arid areas. In this study, we conducted an experiment in Xinjiang China in 2016 and 2017 to quantify the response of maize yield and water use to plant density and irrigation schedules. The treatments included four irrigation levels: 360 (W1), 480 (W2), 600 (W3), and 720 mm (W4), and five plant densities: 7.5 (D1), 9.0 (D2), 10.5 (D3), 12.0 (D4), and 13.5 plants m−2 (D5). The results showed that increasing the plant density and the irrigation level could both significantly increase the leaf area index (LAI). However, LAI expansion significantly increased evapotranspiration (ETa) under irrigation. The combination of irrigation level 600 mm (W3) and plant density 12.0 plants m−2 (D4) produced the highest maize yield (21.0–21.2 t ha−1), ETa (784.1–797.8 mm), and water use efficiency (WUE) (2.64–2.70 kg m−3), with an LAI of 8.5–8.7 at the silking stage. The relationship between LAI and grain yield and evapotranspiration were quantified, and, based on this, the relationship between water use and maize productivity was analyzed. Moreover, the optimal LAI was established to determine the reasonable irrigation level and coordinate the relationship between the increase in grain yield and the decrease in water use efficiency.

scholarly journals Using irrigation intervals to optimize water-use efficiency and maize yield in Xinjiang, northwest China

2019 ◽  
Vol 7 (3) ◽  
pp. 322-334 ◽  
Author(s):  
Guoqiang Zhang ◽  
Dongping Shen ◽  
Bo Ming ◽  
Ruizhi Xie ◽  
Xiuliang Jin ◽  
...  
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Maize Yield ◽  
Northwest China ◽  
Use Efficiency

Effects of zinc fertilizer on maize yield and water-use efficiency under different soil water conditions

2020 ◽  
Vol 248 ◽  
pp. 107718 ◽  
Author(s):  
Li Zhang ◽  
Minfei Yan ◽  
Hongbing Li ◽  
Yuanyuan Ren ◽  
Kadambot HM Siddique ◽  
...  
Keyword(s):  
Water Use Efficiency ◽  
Soil Water ◽  
Water Use ◽  
Maize Yield ◽  
Water Conditions ◽  
Zinc Fertilizer ◽  
Use Efficiency ◽  
Soil Water Conditions

Deficit irrigation improves maize yield and water use efficiency in a semi-arid environment

2021 ◽  
Vol 243 ◽  
pp. 106483 ◽  
Author(s):  
Yufeng Zou ◽  
Qaisar Saddique ◽  
Ajaz Ali ◽  
Jiatun Xu ◽  
Muhammad Imran Khan ◽  
...  
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Deficit Irrigation ◽  
Maize Yield ◽  
Arid Environment ◽  
Use Efficiency ◽  
Semi Arid

Maize yield as affected by irrigation and evapotranspiration control treatments

1983 ◽  
Vol 100 (3) ◽  
pp. 731-734
Author(s):  
R. De ◽  
Y. Y. Rao ◽  
M. Ikramullah ◽  
L. G. Giri Rao
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Irrigation Water ◽  
Maize Yield ◽  
Grain Weight ◽  
Irrigation Water Use Efficiency ◽  
Organic Mulch ◽  
Irrigation Water Use ◽  
Use Efficiency

SUMMARYMaize yield was increased by the application of organic mulch (6 t/ha). Mulched plots treated with any of the antitranspirants (kaolin or alachlor) and receiving two or four irrigations yielded as much as untreated plots receiving four or six irrigations. Cob length, number of grains and grain weight of maize were increased by mulching and by the transpiration suppressants. Irrigation water-use efficiency was improved by evapotranspiration control treatments.

Exploring optimal soil mulching to enhance maize yield and water use efficiency in dryland areas in China

2017 ◽  
Vol 68 (3) ◽  
pp. 273-282
Author(s):  
Liang Gaimei ◽  
Wang Yuguo ◽  
Chi Baoliang ◽  
Li Nana ◽  
Chen Wenliang ◽  
...  
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Maize Yield ◽  
Use Efficiency

Dryland Maize Yield and Water-Use Efficiency Responses to Mulching and Tillage Practices

2017 ◽  
Vol 109 (4) ◽  
pp. 1196-1209 ◽  
Author(s):  
Qingping Zhang ◽  
Zhennan Wang ◽  
Fuhong Miao ◽  
Guoliang Wang
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Maize Yield ◽  
Tillage Practices ◽  
Use Efficiency

scholarly journals EFFECT OF DIFFERENT IRRIGATION DEPTH ADJUSTMENT METHODS ON MAIZE YIELD COMPONENTS, GRAIN YIELD AND WATER USE EFFICIENCY

Irriga ◽  
2018 ◽  
Vol 23 (3) ◽  
pp. 454-466
Author(s):  
Leonardo Chechi ◽  
Luan Junior Kuhn ◽  
Vanderléia Fortuna ◽  
Patricia Mara De Almeida ◽  
Maurício Albertoni Scariot ◽  
...  
Keyword(s):  
Soil Moisture ◽  
Grain Yield ◽  
Water Use Efficiency ◽  
Water Use ◽  
Yield Components ◽  
Block Design ◽  
Maize Yield ◽  
Irrigation Depth ◽  
Moisture Equivalent ◽  
Use Efficiency

As the water stress is one of the main causes for the low maize yield in Brazil, this study aimed to evaluate the yield components, grain yield and the water use efficiency of maize crop submitted to different methods of irrigation depth adjustment and validate the “Lâmina” spreadsheet to recommend irrigation depth in this crop. The treatments applied were: non-use of irrigation (control); irrigation depth adjustment provided by” Lâmina” spreadsheet (Lâmina); soil moisture equivalent to actual capacity of water in the soil at 55% of the total soil water capacity (55% RWC); and soil moisture equivalent to 100% of the field capacity (100% FC). The experimental design was a randomized block design with four replications, each experimental unit consists of a plot 3 meters wide and 3 meters long. The variables analyzed were total water applied, dry matter, ears per plant, kernel rows per ear, kernels per row, kernels per ear, one thousand kernels weight, grain yield and water use efficiency. Grain yields were similar between irrigated treatments, showing significant differences compared to the control. The Lâmina and 55% RWC showed the best results for water use efficiency and yield components. The Lâmina treatment used the least amount of water, with high yields, contributing to the rational water use in irrigated agricultural systems.

Mulching materials improve soil properties and maize growth in the Northwestern Loess Plateau, China

Soil Research ◽  
2016 ◽  
Vol 54 (6) ◽  
pp. 708 ◽  
Author(s):  
Rong Li ◽  
Xianqing Hou ◽  
Zhikuan Jia ◽  
Qingfang Han
Keyword(s):  
Field Experiment ◽  
Soil Temperature ◽  
Water Use Efficiency ◽  
Polymer Film ◽  
Soil Water ◽  
Water Use ◽  
Biodegradable Polymer ◽  
Maize Yield ◽  
Polyethylene Film ◽  
Use Efficiency

Water deficiency is the main limiting factor for crop growth in rain-fed areas. Mulching can affect the soil microclimate (soil water and temperature) and influence the grain yield of crops. A field experiment was conducted to determine the effect of different mulching materials on soil temperature, soil water, crop growth and yield, and water use efficiency (WUE) in spring maize (Zea mays L.) between 2009 and 2011 in Heyang County, Shaanxi, China. The field experiment used five mulch treatments: polyethylene film (PM), biodegradable polymer film (BM), maize straw (MM), liquid membrane (LM), and an uncovered control (CK). In the early stage of maize growth, the topsoil temperatures (0–10cm) in the PM and BM treatments were significantly (P<0.05) higher than CK, whereas the soil temperature in the MM treatment was significantly (P<0.05) lower than CK. The PM, BM, and MM treatments also significantly increased soil water during the early growth stage. However, soil water (0–200cm) in the PM and BM treatments was lower than in the CK treatment during the middle and later growth stages. There was no significant difference (P>0.05) in soil temperature or soil water in the LM treatment during the entire growing season. Maize yield increased significantly (P<0.05) in both the PM and BM treatments by 26.1% and 27.5% during the experimental period compared to the CK treatment. Water use efficiency also significantly increased in these two treatments by 25.1% and 27.6%. These results show that both PM and BM had significant effects on soil temperature, water conservation and maize yield, but no significant (P>0.05) differences were observed between these two treatments. Biodegradable polymer film is useful in reducing environmental pollution caused by polyethylene film and could potentially replace polyethylene film during agricultural production in the Northwestern Loess Plateau, China.

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