Exploring optimal soil mulching to enhance yield and water use efficiency in maize cropping in China: A meta-analysis

Gao, Haihe; Yan, Changrong; Q, Liu; Li, Zhen; Yang, Xiaoshan; Qi, Ruimin

doi:10.1016/j.agwat.2019.105741

Cited by 69 publications

(27 citation statements)

References 86 publications

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“…They report that mulching improves soil structure through high biological activity under mulch and the decomposition of the mulch increases the cation exchange capacity and water retention capacity of the soil and improves soil nutrient stocks. This confirms the importance of mulching both in maize productivity and sustainable soil conservation [33].…”

Section: Harvest Indexsupporting

confidence: 73%

“…Mulching technology can effectively modify the crop growth environment and crop production due to differences in climatic conditions, spatial distribution characteristics, and cropping system. Several researchers [14,32,33] unanimously agreed on the importance of soil cover and a consequent rate on maize productivity. Comparing the treatments, [26] found that isohypse tillage combined with crop residue management improved soil nutrient stocks in upslope sites, Eutric Plinthosol, upslope in Burkina and Plinthic Lixisol, upslope in Benin.…”

Section: Harvest Indexmentioning

confidence: 99%

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Impact of Tillage and Vegetative Mulch on Growth and Yield of Maize under Ferralitic Soil Conditions in Southern Benin

Agonvinon

Kouelo

Akplo

et al. 2020

IJPSS

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Aims: Crop production is exposed to climate change phenomenon resulting in change in rainfall amount and long drought spells. Good conservation practices are important in yield improvement. This study aims to assess the effect of tillage and vegetative mulch on maize growth rate, yield and harvest index in ferralitic soil of southern Benin. Study Design: The complete randomized block design (CRBD) with 4 repetitions was implemented. Place and Duration of Study: The experimental site is located at Allada, in southern Benin, and conducted between May 2017 and July 2017. Methodology: During this study, two factors were tested (Tillage and mulch) and 6 treatments have been obtained of combination of two factors level (No-tillage, tillage and 0%, 50%, 75% mulch). The growth parameters, yield parameters and harvest index were determined. Results: The results indicated that tillage and mulching significantly influenced the growth rate, leaf surface and leaf number of maize plants. Tillage increased to 54% the grain yield compared to no tillage whereas 50% and 75% mulch promoted the highest grain yield. Considering the combination of tillage and mulching, LM50 (Tillage + 50% mulch) and LM75 (Tillage + 75% mulch) treatments resulted in about 85% increase of grain yield compared to direct seeding without mulch. Conclusion: These results reflect the importance of soil cover in improving of maize productivity.

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Section: Harvest Indexsupporting

confidence: 73%

Section: Harvest Indexmentioning

confidence: 99%

Impact of Tillage and Vegetative Mulch on Growth and Yield of Maize under Ferralitic Soil Conditions in Southern Benin

Agonvinon

Kouelo

Akplo

et al. 2020

IJPSS

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show abstract

“…This is an important indicator for evaluating the efficiency of agricultural water use. At present, the research methods for crop water use efficiency are divided into the following categories: site observation [21][22][23][24], statistical analysis [25,26], model simulation [27][28][29][30] and remote sensing inversion [31][32][33][34]. Based on field observation research, the calculation of crop water use efficiency is more accurate, but the number of sample points is limited, and the sample selection process is strongly influenced by human factors.…”

mentioning

confidence: 99%

Temporal and Spatial Changes in Crop Water Use Efficiency in Central Asia from 1960 to 2016

2020

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Water resources among five Central Asian countries are distributed unevenly. Since the collapse of the Soviet Union, the conflict between water and land use has become increasingly serious. Due to limited data, the temporal and spatial characteristics and trends of crop water use efficiency in Central Asia over the past 60 years remain unclear. This paper combines state-level agricultural statistics data and cultivated land data (1975, 2005 and 2015) from remote sensing imagery and calculates crop water use efficiency based on the FAO crop coefficient method. The results are as follows: (1) the development of crop cultivation in Central Asia is divided into an expansion period (1960–1990), a reduction period (1990–2000), and a recovery period (2000–2016); (2) the grain yield in Central Asia increased from 0.9 to 1.9 t/ha during 1960–2016, with Uzbekistan having the highest, reaching 4.2 t/ha in 2016. Cotton yield increased during 1960–1990 and decreased from 1990 to 2016. (3) The grain water use efficiency in Central Asia increased from 0.22 kg/m3 to 0.39 kg/m3 during 1960–2016. The cotton water use efficiency increased from 0.23 kg/m3 to 0.30 kg/m3 during 1960–1990, has decreased since 1990, and is currently close to the 1960s level.

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“…The conventional straw mulching is still applied today in matted row systems, particularly in colder regions, because of its low costs and labor intensity (Daugaard 2008 ; Lille et al 2003 ; Poling 2016 ; Zhou et al 2016 ). Because plastic mulching mostly performs better on the aforementioned attributes than straw mulching (e.g., Gao et al 2019 ; Li et al 2018a , b ; Qin et al 2015 ; Yang et al 2018 ), it has become often combined with ridge-furrow systems and subsurface drip irrigation, a widely applied agricultural practice in strawberry cultivation, which has largely replaced straw mulching (Kasirajan and Ngouajio 2012 ; Zhou et al 2016 ). However, plastic mulching can also increase plastic residues and pesticide runoff, reduce SOM, and shift the microbial community towards mycotoxigenic fungi (reviewed in Steinmetz et al 2016 ), which has recently raised concerns about the sustainability of the system (Steinmetz et al 2016 ).…”

Section: Introductionmentioning

confidence: 99%

Agricultural mulching and fungicides—impacts on fungal biomass, mycotoxin occurrence, and soil organic matter decomposition

Meyer

Diehl

Schaumann

et al. 2021

Environ Sci Pollut Res

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Plastic and straw coverage (PC and SC) are often combined with fungicide application but their influence on fungicide entry into soil and the resulting consequences for soil quality are still unknown. The objective of this study was to investigate the impact of PC and SC, combined with fungicide application, on soil residual concentrations of fungicides (fenhexamid, cyprodinil, and fludioxonil), soil fungal biomass, mycotoxin occurrence, and soil organic matter (SOM) decomposition, depending on soil depth (0–10, 10–30, 30–60 cm) and time (1 month prior to fungicide application and respectively 1 week, 5 weeks, and 4 months afterwards). Soil analyses comprised fungicides, fusarium mycotoxins (deoxynivalenol, 15-acetyldeoxynivalenol, nivalenol, and zearalenone), ergosterol, soil microbial carbon and nitrogen, soil organic carbon, dissolved organic carbon, and pH. Fludioxonil and cyprodinil concentrations were higher under SC than under PC 1 week and 5 weeks after fungicide application (up to three times in the topsoil) but no differences were observed anymore after 4 months. Fenhexamid was not detected, presumably because of its fast dissipation in soil. The higher fludioxonil and cyprodinil concentrations under SC strongly reduced the fungal biomass and shifted microbial community towards larger bacterial fraction in the topsoil and enhanced the abundance and concentration of deoxynivalenol and 15-acetyldeoxynivalenol 5 weeks after fungicide application. Independent from the different fungicide concentrations, the decomposition of SOM was temporarily reduced after fungicide application under both coverage types. However, although PC and SC caused different concentrations of fungicide residues in soil, their impact on the investigated soil parameters was minor and transient (< 4 months) and hence not critical for soil quality.

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Exploring optimal soil mulching to enhance yield and water use efficiency in maize cropping in China: A meta-analysis

Cited by 69 publications

References 86 publications

Impact of Tillage and Vegetative Mulch on Growth and Yield of Maize under Ferralitic Soil Conditions in Southern Benin

Impact of Tillage and Vegetative Mulch on Growth and Yield of Maize under Ferralitic Soil Conditions in Southern Benin

Temporal and Spatial Changes in Crop Water Use Efficiency in Central Asia from 1960 to 2016

Agricultural mulching and fungicides—impacts on fungal biomass, mycotoxin occurrence, and soil organic matter decomposition

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