Subsoil tillage enhances wheat productivity, soil organic carbon and available nutrient status in dryland fields

Yan, Qiuyan; Wu, Linjia; Dong, Fei; Yan, Shuangdui; Li, Feng; Jia, Yaqin; Zhang, Jiancheng; Zhang, Ruifu; Huang, Xiao

doi:10.1016/j.jia.2023.06.011

Cited by 11 publications

(9 citation statements)

References 47 publications

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“…The random-forest and partial least-squares path modeling showed that soil available nutrient contents and microbial biomass in the 0-15 cm and 15-35 cm layers under T35+M treatment reduced the microbial P limitation and increased the maize yield (Figure 6). The activity of the C-acquiring enzyme in the 15-35 cm layer was also higher under T35 treatment than under T15 treatment, which can be explained by the fact that organic fertilizer provides additional substrates and a favorable environment for soil microorganisms [9,13,31], which leads to dynamic changes in soil nutrients and is conducive to the sustainable production of crops [35]. Random-forest and partial leastsquares path modeling also showed that soil pore structure parameters (fractal dimension, etc.)…”

Section: Effects Of Soil Properties and Microbial Resource Limitation...mentioning

confidence: 94%

“…Organic fertilizer is an important source of carbon (C), nitrogen (N), phosphorus (P), and microorganisms, providing energy and substrates for the growth of microorganisms. The application of organic fertilizer can increase the microbial biomass C, N, and P contents in the soil [8,9], improve soil fertility and soil structure, and increase the soil water storage and retention capacity, which can improve the photosynthetic capacity and crop yield [9][10][11]. Wang et al [12] found that the application of organic fertilizer increased grain yield by an average of 18% compared to chemical fertilizer application, which could be explained by the application of organic fertilizer changing the community composition and function of soil microorganisms, thereby affecting the supply of soil nutrients [13,14].…”

Section: Introductionmentioning

confidence: 99%

“…Improving the subsoil structure via inversion tillage is not a long-term solution because the soil can be recompacted by rainfall and mechanical travel in crop growth seasons [15]. The application of organic fertilizer can stabilize the soil structure, improve the subsoil status [7], increase soil fertility, and improve soil biological properties [9,13]. Therefore, the incorporation of inversion tillage and organic fertilizer application can enhance soil fertility sustainability and soil structure stability.…”

Section: Introductionmentioning

confidence: 99%

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Inversion Tillage Combined with Organic Fertilizer Application Increased Maize Yield via Improving Soil Pore Structure and Enzymatic Activity in Haplic Chernozem

Liu,

Han,

Chen

et al. 2024

Agronomy

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Inversion tillage and organic fertilizer application can break the plow pan and improve soil quality. However, the effects of combining these practices on the soil microbial resource limitation and maize yield in Haplic Chernozem are unclear. In this research, a field experiment was established in 2018, and soil samples were collected in 2021 in Longjiang County in Northeast China, which is a Haplic Chernozem region. Four treatments comprising conventional tillage (T15), conventional tillage with organic fertilizer (T15+M), inversion tillage (T35), and inversion tillage with organic fertilizer (T35+M) were randomly arranged with four replications. Compared with T15 and T15+M treatments, soil bulk density significantly decreased by 11.1–16.3% in the 15–35 cm layer under T35 and T35+M treatments, accompanied by the improvement in soil pore structure (e.g., soil porosity, circularity, and Euler number). T15+M treatment significantly increased soil organic carbon and soil nutrient contents by 11.1–16.3% and 3.9–24.5% in the 0–15 cm layer compared with other treatments. However, soil organic carbon, total nitrogen, available phosphorus content, microbial biomass, and enzymatic activities reached the maximum values in the 0–35 cm layer under T35+M treatment. In addition, T35+M treatment had the highest maize yield and sustainable yield index. Extracellular enzymatic stoichiometry suggested that soil microorganisms are generally co-limited by carbon and phosphorus in Haplic Chernozem. However, T35+M treatment significantly reduced soil microbial resource limitation, which was one important factor impacting maize yield and sustainability. Random-forest and partial least-squares path modeling showed that T35+M treatment could reduce soil microbial resource limitation and increase the stability and sustainability of the maize yield by improving soil available nutrients, microbial biomass, and pore structure. Therefore, the incorporation of inversion tillage and organic fertilizer is a suitable soil management practice in view of increasing soil quality and crop yields in a Haplic Chernozem region.

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Section: Effects Of Soil Properties and Microbial Resource Limitation...mentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Inversion Tillage Combined with Organic Fertilizer Application Increased Maize Yield via Improving Soil Pore Structure and Enzymatic Activity in Haplic Chernozem

Liu,

Han,

Chen

et al. 2024

Agronomy

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show abstract

Section: Introductionmentioning

confidence: 99%

“…In contrast, Yan et al [27] evaluated the effects of no-till, subsoil tillage, and deep tillage on the productivity of wheat. Their results indicated that subsoil tillage and deep tillage improved wheat grain yield relative to no-till [27]. Similarly, Kraska et al [28] conducted experiments to understand the effects of tillage practices on wheat yield and health (diseases).…”

Section: Introductionmentioning

confidence: 99%

Examining the Percent Canopy Cover and Health of Winter Wheat in No-Till and Conventional Tillage Plots Using a Drone

Akumu,

Oppong,

Dennis

2024

Agriculture

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The percent canopy cover and health of winter wheat are important crop performance indicators. Thus, understanding how tillage management practices affect these indicators is beneficial for improving crop performance and consequently yield. The availability of high-resolution drone data with spectral characteristics provides an opportunity to examine the percent canopy cover and health of winter wheat in different tillage systems. This is because the use of drones provides real-time high spatial resolution and temporal images to effectively monitor winter wheat conditions throughout the growing season. Nonetheless, very limited studies have utilized drone data for assessing the percent canopy cover and health conditions of winter wheat for different tillage practices. This study aimed to examine the percent canopy cover and health of winter wheat in no-till and conventional tillage plots using a drone. We used the mean Normalized Difference Vegetation Index (NDVI) ± Standard Deviation (SD) (0.89 ± 0.04) of winter wheat for the growth stages of tillering, jointing, and boot/heading to generate the percent wheat canopy cover. The Normalized Difference Red-Edge (NDRE) produced for winter wheat at the middle and late growth stages was used as a proxy for wheat health condition. We found that the mean percentage canopy cover of winter wheat was about 4% higher in no-till compared to conventional tillage plots in most of the growing season. The mean NDRE ± standard error (SE) of winter wheat was about 0.44 ± 0.01 and 0.43 ± 0.01 for no-till and conventional tillage plots, respectively, during the mid- and late growth stages. There was no significant difference in either the percent canopy cover or health of winter wheat between no-till and conventional tillage plots. The results generated in this study could be used to support farmers’ decision-making process regarding tillage practices and wheat crop performance.

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Heavy rainfall stimulates more N2O emissions from wheat fields during basal and overwintering fertilization phases

Wang,

Liu,

Zhao

et al. 2024

Agriculture, Ecosystems & Environment

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Subsoil tillage enhances wheat productivity, soil organic carbon and available nutrient status in dryland fields

Cited by 11 publications

References 47 publications

Inversion Tillage Combined with Organic Fertilizer Application Increased Maize Yield via Improving Soil Pore Structure and Enzymatic Activity in Haplic Chernozem

Inversion Tillage Combined with Organic Fertilizer Application Increased Maize Yield via Improving Soil Pore Structure and Enzymatic Activity in Haplic Chernozem

Examining the Percent Canopy Cover and Health of Winter Wheat in No-Till and Conventional Tillage Plots Using a Drone

Heavy rainfall stimulates more N2O emissions from wheat fields during basal and overwintering fertilization phases

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