Combined effects of organic amendments and fertilization on cotton growth and yield

Adeli, Ardeshir; Brooks, John P.; Miles, D. M.; Misna, T.; Feng, Gary; Jenkins, Johnie N

doi:10.1002/agj2.21178

Cited by 5 publications

(3 citation statements)

References 61 publications

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“…Cotton is mainly cultivated in the inland arid regions of China, which coincide with a high soil salt content and low N areas. The predominant adverse effects of soil salt stress on cotton biological processes include seed germination, seedling growth, dry matter partitioning, photosynthesis, and yield and quality [11,12]. Previous research has primarily concentrated on the effects of osmotic stress, ionic stress (resulting from elevated levels of Na + and Cl − in the soil), and nutrient uptake stress caused by salt stress.…”

Section: Introductionmentioning

confidence: 99%

The Effects of Soil Salt Stress on the Nitrogen Uptake, Yield Response and Nitrogen Use Efficiency of Cotton in Arid Areas

Heng,

Ma,

et al. 2024

Agronomy

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Soil salinity is a major soil threat, causing severe environmental problems. Soil salt stress limits N uptake and cotton growth, especially in arid regions. However, the mechanism underlying stress tolerance in cotton plants under different soil salinity levels has not been fully elucidated. Therefore, the aim of this study was to examine the proportion and mechanism of cotton N uptake and transport under salt stress using the 15N isotope labeling technique. Cotton plants were grown in four undisturbed loamy soils (CK, non-salinity, <2 dS m−1; C1, low salinity, 2–4 dS m−1; C2, mid-salinity, 4–8 dS m−1; and C3, high salinity, 8–15 dS m−1) in the test pit experiments. The findings indicated that the cotton N uptake was limited by the soil salt stress and total N content, and the cotton 15N use efficiency decreased by 25–27% with increasing salinity (>4.0 dS m−1). The N transported to cotton from the 0–20 cm soil layer in C1 treatment was higher than from the 40–60 cm layer. Furthermore, the cotton fruit cultivated in C1 exhibited a notably elevated dry matter content compared to those cultivated in the control treatment. As the soil salt stress increased from the control treatment to C1, the cotton stems and fruits demonstrated a gradual enhancement in their N uptake and regulatory capabilities, albeit with a slight decrease observed in the leaves. These findings emphasize that soil salt stress diminishes cotton nitrogen uptake and transport, potentially exacerbating nitrogen pollution in the absence of optimized nitrogen fertilization.

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Section: Introductionmentioning

confidence: 99%

The Effects of Soil Salt Stress on the Nitrogen Uptake, Yield Response and Nitrogen Use Efficiency of Cotton in Arid Areas

Heng,

Ma,

et al. 2024

Agronomy

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“…Long-term continuous cotton cropping results in a significant decrease in soil quality and organic carbon exhaustion, affecting both yield and the environment. Protecting and improving the quality of cotton fields are key to ensuring sustainable production and yield increases in cotton [2,3]. The reasonable use of organic amendments can significantly improve soil fertility [4,5].…”

Section: Introductionmentioning

confidence: 99%

Long-Term Increases in Continuous Cotton Yield and Soil Fertility following the Application of Cotton Straw and Organic Manure

Chen

Yang

et al. 2023

Agronomy

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Long-term continuous cotton cropping results in a significant decrease in soil quality and soil organic carbon, threatening cotton yield. The application of organic amendments is considered an effective management practice for the sustainability of soil productivity and often increases yield. However, the sustainable improvement in the cotton yield, stability, and soil fertility over time resulting from organic amendments with cotton straw and organic manure still need to be confirmed with research, especially under a continuous cotton cropping system. This study evaluated the effect of 12 years of consecutive application of cotton straw and organic manure on continuous cotton yield, soil quality, and soil organic carbon. Four treatments, i.e., chemical N and P fertilizers (NP, control), NP plus cotton straw (NPS), NP plus manure (NPM), and NP plus cotton straw and manure (NPSM), were carried out. The results indicated that the addition of cotton straw and organic manure improved the temporal stability and sustainability of cotton yield. The combination of cotton straw and organic manure resulted in the greatest improvement, increasing the average annual cotton yield by 32.28% compared with the control (NP). A correlation analysis revealed that cotton yield was closely related to soil quality and soil organic carbon. The application of cotton straw and organic manure increased cotton yield by enhancing soil fertility, especially the quantity and quality of soil organic carbon, which improved the supply and cycling of soil nutrients and benefited the stability and sustainability of the cotton yield. Reusing cotton straw and organic manure could improve the sustainable productivity of cotton soil and provide additional environmental value as well as having great potential for cleaner and sustainable cotton production.

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“…As a pioneer crop grown on saline lands, its growth provides guidelines for improving saline land. However, most research on biochar's impact on saline soils has concentrated on a single variety (Adeli et al, 2022; Tian et al, 2018). Thus, this study examined the response patterns of cotton seeds with different salt tolerance to biochar, which are required to clarify whether a specific amount of biochar is suitable for different cotton varieties.…”

Section: Introductionmentioning

confidence: 99%

Biochar drives changes in soil bacterial communities and cotton growth by improving nutrients availability under saline conditions

Wang,

Tian,

Qiu

et al. 2023

Land Degrad Dev

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Applying biochar to saline soil is a novel strategy for improving soil quality. However, how biochar addition amount affects soil nutrients, bacterial communities, and cotton growth at different stages remains unclear. Three biochar treatments, no biochar (BC0), 1% biochar (BC1, w/w), 3% biochar (BC3), and two cotton varieties, salt‐sensitive (SS) and salt‐tolerant (ST), were used in pot experiments, analyzing biochar effects on saline soil nutrients, bacterial communities, and cotton growth. The study found that biochar increased only organic carbon (SOC), total nitrogen (TN), and available potassium (AK) at the seedling stage. However, at the flowering‐boll stage, biochar also increased nitrate () and available phosphorus (AP) and reduced soil salt content. Biochar did not affect α‐diversity at the seedling stage, but BC3 reduced α‐diversity at the flowering‐boll stage. The principal coordinate analysis revealed changes in the soil bacterial community composition that were closely associated with biochar added. From the redundancy analyses, SOC and AK were the leading environmental factors for soil bacterial community composition changes. SOC, TN, and AK correlated positively with Proteobacteria, which increased their relative abundance through biochar addition and correlated negatively with Bacteroidetes, Chloroflexi, and Acidobacteria, which decreased their relative abundance due to biochar. Furthermore, the random forests analysis showed that SOC, Shannon index, and β‐diversity were significant predictors of cotton biomass. In summary, biochar drives changes in bacterial communities in saline soils by increasing nutrients such as SOC and AK, which affect cotton growth. This study provides data to support the application of biochar on saline soils.

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Combined effects of organic amendments and fertilization on cotton growth and yield

Cited by 5 publications

References 61 publications

The Effects of Soil Salt Stress on the Nitrogen Uptake, Yield Response and Nitrogen Use Efficiency of Cotton in Arid Areas

The Effects of Soil Salt Stress on the Nitrogen Uptake, Yield Response and Nitrogen Use Efficiency of Cotton in Arid Areas

Long-Term Increases in Continuous Cotton Yield and Soil Fertility following the Application of Cotton Straw and Organic Manure

Biochar drives changes in soil bacterial communities and cotton growth by improving nutrients availability under saline conditions

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