A novel additive promoting lignocellulose alkali pretreatment for its “two birds with one stone” role

Chemical Engineering Journal, Год журнала: 2024, Номер 492, С. 152220 - 152220

Опубликована: Май 13, 2024

Язык: Английский

---

Nitrogen Cycling Dynamics: Investigating Volatilization and its Interplay with N2 Fixation

Journal for Research in Applied Sciences and Biotechnology, Год журнала: 2024, Номер 3(1), С. 17 - 31

Опубликована: Фев. 1, 2024

The nitrogen cycle is the biogeochemical by which converted into multiple chemical forms as it circulates among atmospheric, terrestrial, and marine ecosystems, conversion of can be carried out through both biological physical processes. Important processes in include fixation, ammonification, nitrification, denitrification. majority Earth's atmosphere (78%) atmospheric nitrogen, making largest source nitrogen. However, has limited availability for use, leading to a scarcity usable many types ecosystems. particular interest ecologists because affect rate key ecosystem processes, including primary production decomposition. Human activities such fossil fuel combustion, use artificial fertilizers, release wastewater have dramatically altered global cycle. modification negatively natural environment system also human health. Volatilization its Relationship N2 fascination Nitrogen Cycle agriculture field discuss this paper.

Язык: Английский

---

Monitoring of Nitrogen Concentration in Soybean Leaves at Multiple Spatial Vertical Scales Based on Spectral Parameters

Plants, Год журнала: 2024, Номер 13(1), С. 140 - 140

Опубликована: Янв. 4, 2024

Nitrogen is a fundamental component for building amino acids and proteins, playing crucial role in the growth development of plants. Leaf nitrogen concentration (LNC) serves as key indicator assessing plant development. Monitoring LNC provides insights into absorption utilization from soil, offering valuable information rational nutrient management. This, turn, contributes to optimizing supply, enhancing crop yields, minimizing adverse environmental impacts. Efficient non-destructive estimation paramount importance on-field Spectral technology, with its advantages repeatability high-throughput observations, feasible method obtaining data. This study explores responsiveness spectral parameters soybean at different vertical scales, aiming refine management soybeans. research collected hyperspectral reflectance data leaf layers Three types parameters, nitrogen-sensitive empirical indices, randomly combined dual-band “three-edge” were calculated. Four optimal index selection strategies constructed based on correlation coefficients between each layer. These included combinations (Combination 1), 2), parameter 3), mixed combination 4). Subsequently, these four used input variables build models soybeans scales using partial least squares regression (PLSR), random forest (RF), backpropagation neural network (BPNN). The results demonstrated that reached highest values upper leaves, most showing significant correlations (p < 0.05). Notably, reciprocal difference (VI6) exhibited upper-layer 0.732, wavelength 841 nm 842 nm. In constructing layers, accuracy gradually improved increasing height layer best performance, validation set coefficient determination (R2) was higher by 9.9% 16.0% compared other layers. RF estimating LNC, R2 6.2% 8.8% models. RMSE lower 2.1% 7.0%, MRE 4.7% 5.6% Among combinations, Combination 4 achieved accuracy, 2.3% 13.7%. conclusion, employing input, model 0.856, 0.551, 10.405%. findings this provide technical support remote sensing monitoring LNCs spatial scales.

Язык: Английский

---

Metagenomic insights into nitrogen cycling functional gene responses to nitrogen fixation and transfer in maize–peanut intercropping

Plant Cell & Environment, Год журнала: 2024, Номер 47(12), С. 4557 - 4571

Опубликована: Июль 19, 2024

The fixation and transfer of biological nitrogen from peanuts to maize in maize-peanut intercropping systems play a pivotal role maintaining the soil nutrient balance. However, mechanisms through which root interactions regulate remain unclear. This study employed

Язык: Английский

---

Insights into nitrogen biogeochemical cycling in mangrove wetland from Genome-Resolved metagenomic sequencing

Journal of Hydrology, Год журнала: 2024, Номер 640, С. 131741 - 131741

Опубликована: Июль 31, 2024

Язык: Английский

---

Enhanced nitrogen fixation and Cd passivation in rhizosphere soil by biochar-loaded nitrogen-fixing bacteria: chemisorption and microbial mechanism

Journal of Hazardous Materials, Год журнала: 2024, Номер 481, С. 136588 - 136588

Опубликована: Ноя. 19, 2024

Язык: Английский

---

Biochar as a Soil amendment: implications for soil health, carbon sequestration, and climate resilience

Discover Soil., Год журнала: 2025, Номер 2(1)

Опубликована: Март 3, 2025

Abstract Biochar, a carbon-rich material produced through the pyrolysis of organic biomass, has gained increasing attention as sustainable soil amendment due to its potential enhance health, improve agricultural productivity, and mitigate climate change. This review explores multifaceted benefits biochar, including ability sequester carbon for long periods, thereby reducing atmospheric greenhouse gases. Biochar’s unique properties, such porous structure, high cation exchange capacity, nutrient retention capabilities, significantly fertility, water-holding microbial activity. These improvements increase crop resilience against drought, erosion, loss, supporting climate-resilient systems. Additionally, biochar’s application can lower nitrous oxide methane emissions from soils, further contributing change mitigation. However, effectiveness biochar is influenced by factors feedstock type, conditions, rates. Understanding these variables crucial optimizing biochar's use in different types environmental conditions. Graphical

Язык: Английский

---

Different active exogenous carbons improve the yield and quality of roses by shaping different bacterial communities

Frontiers in Microbiology, Год журнала: 2025, Номер 16

Опубликована: Март 28, 2025

The application of exogenous organic carbon represents a significant strategy for enhancing soil fertility and promoting sustainable agricultural development. This approach modifies the physicochemical properties influences microbial community structures, consequently improving crop yield quality. Nevertheless, mechanisms underlying responses to various forms active remain poorly understood require further investigation. A 1-year follow-up experiment was conducted examine effects different sources on quality cut roses, along with characteristics bacterial community. results indicated that applying fertiliser biochar significantly enhanced productivity demonstrating sustained growth-promoting effect. Organic provides more active, readily oxidisable compared biochar. In contrast, supplies stable carbon, including inert is difficult oxidise, firm (FOC), total which has high degree humification exceeds fertiliser. not only altered abundance, diversity, composition rhizosphere but also enriched beneficial microorganisms. Redundancy analysis FOC, available phosphorus, matter were primary factors influencing this study demonstrated exerted positive indirect by communities. These findings provide novel evidence supporting rational fertilisers as means promote sustainability in red regions.

Язык: Английский

---

Effect of Cow Manure Biochar on Lettuce Growth and Nitrogen Agronomy Efficiency

Plants, Год журнала: 2024, Номер 13(23), С. 3326 - 3326

Опубликована: Ноя. 27, 2024

This study aimed to produce livestock manure biochar decrease environmental problems from and evaluate its effectiveness as an organic fertilizer by examining the growth nutrient use efficiency of crops. A plot experiment was conducted investigate characteristics lettuce nitrogen in upland soils treated with cow biochar. The applied at rates 0, 3, 5, 7, 10 t ha−1 (referred CMB0, CMB3, CMB5, CMB7, CMB10, respectively), along inorganic (IF, NPK—200-59-12 kg ha−1). cultivation test carried out for 42 days, during which fresh weight, dry length, number leaves were measured. Nitrogen evaluated determining agronomic N apparent recovery fraction N. Overall, application rate increased, crop uptake improved. Soils CMB5 CMB7 showed higher growth, content, compared under other treatments. followed a pattern similar that productivity, levels playing significant role. In particular, N, are both related utilization, significantly treatment IF treatment. These results indicate can be enhanced through when growing crops on agricultural land. Therefore, it is suggested appropriate reduce increase thereby enabling sustainable eco-friendly agriculture.

Язык: Английский

---

Tracing N utilization and distribution during development of grape seedlings by applying different forms of 15N labeled fertilizer with fruit tree hole storage brick

Research Square (Research Square), Год журнала: 2024, Номер unknown

Опубликована: Апрель 9, 2024

Abstract Background and aims Application of soil conditioner can promote the NUE in plants by increasing N retention as an effective method to reduce chemical fertilizer consumption environmental pollution. Methods We have prepared fruit tree hole storage brick (FTHSB) suitable for perennial trees using natural nanomaterials, vermiculite montmorillonite, organic fertilizers, then recommended a new fertilization strategy combining FTHSB based on subsurface drip irrigation. Results significantly increased amount dry matter each organ grape ( Vitis vinifera L. ) seedlings, promoted fine root growth layer range 15–30 cm, reduced leaching loss 15 deep improved use efficiency N. In treatment without FTHSB, NO 3 − -N is better than NH 4 + CO(NH 2 terms plant index cm plants. After application according above indicators. Conclusions general, compared with ammonium nitrate had strongest adsorption capacity amide N, so content vicinity was also highest, which all organs, roots utilization seedlings.

Язык: Английский

---