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The study evaluated the effects of branched-chain volatile fatty acids (BCVFA) addition on growth performance, ruminal fermentation, nutrient digestibility, hormone secretion and hepatic gene expression in dairy calves. Thirty-six Holstein male calves (45 ± 3.5 days of age; 56 ± 1.8 kg body weight) were randomly assigned to four groups: control, low-BCVFA (LBC), mediumBCVFA (MBC) and high-BCVFA (HBC)...
Hydrogen sulfide (H₂S) has the ability to strengthen plant stress tolerance; however, the effects of H₂S on wheat seedlings under salt stress and the underlying molecular mechanism are still unclear. This study examined the effects of exogenous NaHS as H₂S donor on photosynthesis, antioxidant system, and the expression profile of genes related to antioxidant defense responses, the salt overly sensitive...
Understanding drivers for energy consumption is important for economic and environmentally sustainable development. To explore this issue, the SDA (structural decomposition analysis) method based on input-output theory was used to analyze the influencing mechanism of energy consumption in one of the top energy consumers, Guangdong Province in China, during 2002 to 2012. We divided the process into...
In this study, a combination of indoor culture and high-throughput sequencing was used to analyze changes in nutrients and fungal communities in black soil after the addition of biomass charcoal. The following conclusions were drawn: 1) After six months of constant temperature, black soils containing biomass carbon changed in physicochemical properties. For example, soil pH, organic matter, water...
Resource endowment and resource carrying capacity (RCC) are the most important cornerstones of regional sustainable development. By applying a newly established RCC method, namely, the relative resources carrying capacity (RRCC) method, we evaluated the RCC in the Tarim River basin (TRB) in arid China in Xinjiang during 2000-2011. Research results show that the relative resources carrying capacity...
The response of leaf functional traits to the shift in environmental variables can raise plant adaptiveness in a wide variety of habitats and subsequently broaden their ecological niche. This study aims to determine the differences in leaf functional traits between simple and compound leaves of Canavalia maritime to illuminate the mechanisms underlying the ecological strategy of plant species with...
Optimizing land use structure is currently a hot research topic in the land resource management field. In this study, we constructed a new land use structure optimization model based on the improved multi-objective differential evolution algorithm. This model made improvements in two aspects of the classic differential evolution algorithm, i.e., control parameters and adaptive strategies. On this...
The aim of the study was to evaluate the effects of dietary different levels of crude protein (CP) and rumen-protected pantothenate (RPP) supplementation on nutrient digestibility, nitrogen balance, blood metabolites and growth performance in beef calves. Sixty Blonde d’Aquitaine × Simmental bull calves (in average 12 months of age and 354 ± 2.4 kg of body weight) were randomly assigned to four groups...
The study investigates the impact of subsurface pipes at different depths on physicochemical properties of soda meadow alkaline soil. Field experiments were carried out in 5 treatments: CK (no treatment), CK1 (treatment with comprehensive supplementary measures: subsoiling to 0.6 m and applying farm manure in the amount of 34 m³/hm², then mulching with sandy soil of 500 m³/hm²), and 3 treatments of...
A cubic crystal form Co₃O₄ was synthesized using the sol-gel method and applied as catalyst in the visible light-driven photocatalytic degradation of 1,2,4-trichlorobenzene (1,2,,4-TCB). 1,2,4-TCB removal efficiency initially increased and was followed by a gentle decrease as the Co₃O₄ dosage increased, with the optimal dosage of 2.0 g/L. The degradation rate changed positively with light intensity...
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