Effects of ridge tillage and mulching on water availability, grain yield, and water use efficiency in rain-fed winter wheat under different rainfall and nitrogen conditions

Li, Na; Zhou, Chunju; Sun, Xu; Jing, Jianyuan; Tian, Xiaoli; Wang, Linquan

doi:10.1016/j.still.2018.01.003

Cited by 43 publications

(25 citation statements)

References 31 publications

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“…The present study is in consistent with the above reported literature findings, which might be attributed to the greater water consumption with later flowering time [11]. Leaf photosynthetic efficiency plays an important role in regulating crop yield [15,35,39]. The present study showed that leaf photosynthetic rate was inhibited by drought and salinity stress, which could cause reduction of soybean yield [15,16].…”

Section: Discussionsupporting

confidence: 92%

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Biochar addition alleviate the negative effects of drought and salinity stress on soybean productivity and water use efficiency

et al. 2020

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Background: Environmental stress is a crucial factor restricting plant growth as well as crop productivity, thus influencing the agricultural sustainability. Biochar addition is proposed as an effective management to improve crop performance. However, there were few studies focused on the effect of biochar addition on crop growth and productivity under interactive effect of abiotic stress (e.g., drought and salinity). This study was conducted with a pot experiment to investigate the interaction effects of drought and salinity stress on soybean yield, leaf gaseous exchange and water use efficiency (WUE) under biochar addition. Results: Drought and salinity stress significantly depressed soybean phenology (e.g. flowering time) and all the leaf gas exchange parameters, but had inconsistent effects on soybean root growth and WUE at leaf and yield levels. Salinity stress significantly decreased photosynthetic rate, stomatal conductance, intercellular CO 2 concentration and transpiration rate by 20.7, 26.3, 10.5 and 27.2%, respectively. Lower biomass production and grain yield were probably due to the restrained photosynthesis under drought and salinity stress. Biochar addition significantly enhanced soybean grain yield by 3.1-14.8%. Drought stress and biochar addition significantly increased WUE-yield by 27.5 and 15.6%, respectively, while salinity stress significantly decreased WUE-yield by 24.2%. Drought and salinity stress showed some negative interactions on soybean productivity and leaf gaseous exchange. But biochar addition alleviate the negative effects on soybean productivity and water use efficiency under drought and salinity stress. Conclusions: The results of the present study indicated that drought and salinity stress could significantly depress soybean growth and productivity. There exist interactive effects of drought and salinity stress on soybean productivity and water use efficiency, while we could employ biochar to alleviate the negative effects. We should consider the interactive effects of different abiotic restriction factors on crop growth thus for sustainable agriculture in the future.

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Section: Discussionsupporting

confidence: 92%

“…In rain-fed and semiarid regions, WUE has been regarded as an important trait indicating crop productivity, which links water and nutrient cycling in agroecosystems [39]. However, few studies have focused on how the WUE responded to drought and salinity stress at different scales, such as at leaf and yield levels.…”

Section: Discussionmentioning

confidence: 99%

Biochar addition alleviate the negative effects of drought and salinity stress on soybean productivity and water use efficiency

et al. 2020

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“…However, ridge tillage is conducive to improve soil environment, and enhance crop stress resistance, eventually leading to the increase of crop yield (Abagandura, Mohamed Nasr & Moumen, 2017;Dong et al, 2017). The planting mode of ridge cultivation can be adopted to easily waterlogged areas (Li et al, 2018). Broad-row ridge cultivation effectively improve photosynthetic characteristics and lodging resistance, and increase grain yield of summer maize with waterlogging at seedlings stage (Wang et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Responses of nitrogen efficiency and antioxidant system of summer maize to waterlogging stress under different tillage

Ren¹,

Hu²,

Liu³

et al. 2021

PeerJ

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Waterlogging was one of the main abiotic stresses affecting maize yield and growth in the North China Plain, while ridge tillage effectually improved soil environment, enhanced crop stress resistance to waterlogging, and increased grain yield of waterlogged maize. In order to explore the responses of nitrogen (N) efficiency and antioxidant system of summer maize to waterlogging stress under different tillage, a field experiment was conducted to explore N use efficiency, leaf activities of superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT), and malondialdehyde (MDA) content of waterlogged maize Denghai 605 (DH605) and Zhengdan 958 (ZD958) under different tillage system (ridge planting and flat planting). Our results showed that ridge tillage was beneficial to ameliorate waterlogging damages on antioxidant system by increasing SOD, POD, and CAT activities, and decreasing MDA content. Moreover, ridge tillage significantly increased N efficiency of waterlogged maize. N translocation amount (NTA), N translocation efficiency (NTE), N contribution proportion (NCP), N harvest index (NHI), and N use efficiency (NUE) of waterlogging treatment under ridge planting system (W-V3+R) for DH605 was increased by 108%, 69%, 60%, 8% and 16%, while ZD958 increased by 248%, 132%, 146%, 13% and 16%, respectively, compared to those of waterlogging treatment under flat planting system (W-V3). Ultimately, ridge tillage led to a significant yield improvement by 39% and 50% for DH605 and ZD958, respectively, compared to that of W-V3. In conclusion, ridge tillage was conducive to retard leaf aging, and enhance nitrogen efficiency, thereby resulting in a yield improvement of waterlogged summer maize.

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“…The production of residues associated with 27 food crops has been evaluated at 3758 × 10 6 Mg yr -1 [1]. Returning crop residue to the soil can avoid the greenhouse gas emissions caused by burning it [2] while improving the soil organic matter content, soil physical properties, water use efficiency (WUE), soil structural stability, soil expansion, and capacity expansion, as well as reducing soil bulk density [3,4,5]. Moreover, crop residue return can increase crop yields and quality [6,7].…”

Section: Introductionmentioning

confidence: 99%

A meta-analysis of the effects of crop residue return on crop yields and water use efficiency

Lü

2020

PLoS ONE

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After harvesting agricultural crops, the residue can be returned to the soil as mulch. This study performed a meta-analysis of previous research to investigate the effects of crop residue return and other factors on crop yields and water use efficiency (WUE). Overall, the results show that crop residue return increases crop yields by 5.0% relative to crops grown without it. The greatest increases in yield for crops grown with returned residue were associated with average annual temperatures < 10˚C (yield increase = 7.6%), rainfall � 800 mm (9.5%), plowing depth � 20 cm (6.5%), corn crops (8.0%), growth of a single crop per year (10.1%), no irrigation (11.9%), nitrogen (N), and potassium (K) fertilization (20.0%), and low nitrogen application rates of 0-100 kg N ha-1 (10.8%). The effects of crop residue return on crop yields were found to vary according to the following soil properties: organic matter content � 15 g kg-1 (yield increase = 9.4%), available nitrogen content � 100 mg kg-1 (10.3%), and pH � 6.5 (11.2%). The greatest magnitudes of increase in WUE associated with crop residue return were associated with corn (yield increase = 13.7%), medium nitrogen content (100-150 kg ha-1 ; 23.3%), high soil organic matter (� 15 g kg-1 ; 25.5%) and low air temperatures (< 10˚C; 19.9%). In addition, our results suggest that crop residue return might be most effective in increasing crop yields and WUE in corn crops, crops with a tillage depth � 20 cm, crops grown with moderate nitrogen fertilization (0-150 kg ha-1), growth of a single crop per year, high soil organic matter content (� 15 g kg-1), and cold conditions (< 10˚C). Overall, the results of this meta-analysis suggest that crop residue return can increase crop yields and WUE, with the relationship being mainly affected by climatic conditions, plowing depth, fertilization management, crop types, and soil properties.

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Effects of ridge tillage and mulching on water availability, grain yield, and water use efficiency in rain-fed winter wheat under different rainfall and nitrogen conditions

Cited by 43 publications

References 31 publications

Biochar addition alleviate the negative effects of drought and salinity stress on soybean productivity and water use efficiency

Biochar addition alleviate the negative effects of drought and salinity stress on soybean productivity and water use efficiency

Responses of nitrogen efficiency and antioxidant system of summer maize to waterlogging stress under different tillage

A meta-analysis of the effects of crop residue return on crop yields and water use efficiency

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