Effects of straw mulch on soil water and winter wheat production in dryland farming

Zhang, Peng; Wei, Ting; Wang, Haixia; Wang, Min; Meng, Xiangzhong; Mou, Sirui; Zhang, Rui; Jia, Zhikuan; Han, Qingfang

doi:10.1038/srep10725

Cited by 52 publications

(20 citation statements)

References 32 publications

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“…FPS had a higher SWS than CK, although there were no significant differences ( P > 0.05) between treatments in either of the two growing seasons. This result is consistent with previous studies 23 , 30 , 31 , indicating that the reduction in evaporation and increased water retention under straw mulch was limited and relatively short-lived because of the rapid degradation of the mulch with high microbial activity stimulated by good nutrient supply. From 41–60 cm, the SWS under RFPS was highest among all treatments over both growing seasons ( P < 0.05).…”

Section: Discussionsupporting

confidence: 93%

“…However, this has resulted in a progressive depletions of SWS 22 . Some studies have reported that the drylands require higher and more stable water availabilities to produce higher winter wheat yields 16 , 23 , 24 . Therefore, the research aimed at increasing SWS and WUE has the potential to be highly beneficial for dryland farming systems.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, although straw mulch reduces evaporation and improves SWS, these beneficial effects are both quite limited and very short lived 32 . These negative effects have limited the hopes for gains in crop productivity 23 , 33 . Many studies have shown that WUE and crop production using plastic film mulch are significantly increased as a result of improved SWS and increased soil temperatures 28 , 34 .…”

Section: Introductionmentioning

confidence: 99%

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Ridge-furrow with plastic film and straw mulch increases water availability and wheat production on the Loess Plateau

Liu

Zuo

Zhang

et al. 2018

Sci Rep

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Mulching is critical for increasing water availability and hence winter wheat production in dryland farming systems. A two-year study was conducted to assess the effects of mulches on soil water storage (SWS), temperature, water use efficiency (WUE) and yields of winter wheat on the Loess Plateau. Four treatments were examined: conventional flat planting (CK), straw mulch (FPS), transparent plastic film mulch (FPP) and ridge-furrow with plastic film-mulched ridge and straw-mulched furrow (RFPS). Compared with CK, RFPS greatly increased SWS from 0–60 cm, FPP increased SWS from 0–40 cm, and FPS slightly increased SWS from 0–60 cm; however, FPP significantly (P < 0.05) decreased SWS from 61–100 cm. RFPS and FPP increased soil temperatures in cold seasons relative to CK, especially in RFPS (2.0–2.3 °C). Meanwhile, the rate of soil temperature increase was greater in RFPS and FPP than in CK but was lower in FPS. Mean yields were significantly increased in RFPS (56.78%), FPP (44.72%) and FPS (9.57%), and WUE was significantly increased in RFPS (44.04%) and in FPP (37.50%) compared with CK (P < 0.05). We conclude that ridge-furrow planting with plastic film-mulched ridge and straw-mulched furrow has a good potential for raising winter wheat production on the Loess Plateau.

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Section: Discussionsupporting

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Ridge-furrow with plastic film and straw mulch increases water availability and wheat production on the Loess Plateau

Liu

Zuo

Zhang

et al. 2018

Sci Rep

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“…This was possibly due to the effect of farming methods, wheat-maize rotations are dominant cropping systems in Yingshang whereas the farming methods of Longkang is wheat after rice. Previous studies also showed that there are differences among different farming methods in root system biomass and root system volume [20,21]. 6% pyraclostrobin • difenoconazole FSC and 6% difenoconazole •thiram FSC were best for promoting the germination and growth of wheat in Longkang and Yingshang, respectively, which provided better wheat biomass than did the positive control, e.g., Celest Top, FSC (difenoconazole + fludioxonil + thiamethoxam, 2.2 + 2.2 + 22.6%, respectively).…”

Section: The Comparison Results Of Field Trialmentioning

confidence: 97%

Development and Application of Seed Coating Agent for the Control of Major Soil-Borne Diseases Infecting Wheat

et al. 2019

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In order to reduce the usage amount of pesticide fertilizers and protect the natural environment, seed coating agents are receiving increased wide concern. In this study, the active constituent (pesticide) and inactive components (surfactants and film former) of the seed coating agents were screened and optimized by the wet sand processing superfine grinding method. The fungal inhibition test of pesticides showed that thifluzamide, fludioxonil, pyraclostrobin, and difenoconazole have an obvious fungal inhibitory effect on wheat sharp eyespot, take-all, and root rot. LAE-9 and polyacrylamide + carboxymethyl cellulose (CMC) is recommended for the safe surfactant and film former, respectively, based on the seed germination test. Moreover, 6% difenoconazole · fludioxonil flowable concentrate for seed coating (FSC) stimulates the seedling growth of wheat, advances the growth of root, and improves biomass in the field trial, meanwhile, the control efficiency reached above 80%. Thus, we suggested it can be used as an effective seed coating agent for the control of soil-borne diseases in wheat. The seed coating agent has the characteristics of disease prevention, increasing crop yield, and safety of environment, which is of significance in practical application.

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“…In the arid and semiarid regions of China, crop residues incorporated into soil can lower soil bulk density, increase soil porosity, and increase the quantities of soil organic C and soil-available N, P, and potash in the plow layer (0-15 cm), thereby increasing the wheat yield (Wang et al, 2013;Wei et al, 2015;Yu et al, 2015). In the North China Plain, spreading crop residues over soil as mulch promotes the growth of wheat plants and increases grain yield by reducing soil runoff, improving soil infiltration capacity, increasing its moisture content, and optimizing the nutrient cycle in the soil-crop system (Su et al, 2007;Zhang et al, 2015;Mu et al, 2016). Moreover, the greater the amount of crop residues used as mulch, the greater the reduction in the evaporation of soil moisture and the greater the increase in yield within a certain range .…”

Section: Yield Responses Of Wheat To Crop Residue Returning In China:mentioning

confidence: 99%

Yield Responses of Wheat to Crop Residue Returning in China: A Meta‐Analysis

Kang

Yin

et al. 2019

Crop Science

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Crop residue returning (CRR) is known to improve the soil environment and thus increase crop production. However, the impacts of CRR on wheat (Triticum aestivum L.) yield have been contrary at times due to the differences in climatic conditions, soil traits, and management practices. These effects were evaluated using 351 paired observations published in 161 papers comprising studies conducted in 19 provinces (autonomous regions) of China. No publication bias or extreme values were found in the data, indicating that the analysis results are highly reliable. Compared with the practice of no crop residue returning (NCRR), the practice of CRR increased wheat yield significantly, on average by 8.29%, and proved more beneficial in Northwest China and in regions with average annual precipitation of 200 to 400 mm, average annual temperatures >11°C, sandy loam soil, and rotation with legumes (soybean [Glycine max (L.) Merr.]–wheat and pea [Pisum sativum L.]–wheat). The following aspects of CRR and crop management conferred greater benefits in yield: continuing the practice for 3 to 6 yr (compared with 1–2, 7–10, and ≥11 yr), using the residues at 3 to 6 t ha−1 (compared with <3, 6–9, and > 9 t ha−1), chopped straw (compared with intact straw), rainfed conditions (compared with irrigated conditions), and applying N at 200 to 300 kg ha−1 (compared with <100, 100–200, and >300 kg ha−1). The yield increase was significantly higher when the residues were returned in the form of mulch (12.56%) and for spring wheat (11.90%) than plowing them back into soil (4.53%) and for winter wheat (7.09%). The meta‐analysis thus confirms the benefits of CRR in higher wheat yields in China and also suggests that the benefits of CRR are site specific.

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Effects of straw mulch on soil water and winter wheat production in dryland farming

Cited by 52 publications

References 32 publications

Ridge-furrow with plastic film and straw mulch increases water availability and wheat production on the Loess Plateau

Ridge-furrow with plastic film and straw mulch increases water availability and wheat production on the Loess Plateau

Development and Application of Seed Coating Agent for the Control of Major Soil-Borne Diseases Infecting Wheat

Yield Responses of Wheat to Crop Residue Returning in China: A Meta‐Analysis

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