Living grass mulching improves soil enzyme activities through enhanced available nutrients in citrus orchards in subtropical China DOI Creative Commons
Na Wang, Le Li,

Mengmeng Gou

et al.

Frontiers in Plant Science, Journal Year: 2022, Volume and Issue: 13

Published: Dec. 8, 2022

Living grass mulching (LGM) is an important orchard floor management that has been applied worldwide. Although LGM can effectively enhance soil nutrient availability and fertility, its effects on microbial-mediated cycling main drivers are unclear. Meanwhile, the variation of enzyme activities with duration have rarely studied. This study aims to explore age layer nutrients in citrus orchards. In this study, three (Vicia villosa) treatments were applied, i.e., for eight years, four no (clean tillage). Their analyzed different layers orchards subtropical China, 0-10, 10-20, 20-40 cm. Compared clean tillage, years had fewer nutrients. contrast, significantly increased available nitrogen (N), phosphorus (P) nutrients, β-glucosidase, cellobiohydrolase 0-20 0-40 cm, microbial biomass carbon (C), N, P, N-acetylglucosaminidase, leucine aminopeptidase, acid phosphatase also (P < 0.05). Mulching promoted C, P-cycling total by 2.45-6.07, 9.29-54.42, 4.42-7.11, 5.32-14.91 times, respectively. Redundancy analysis shows layer-dependent positive activities. Microbial C P showed most significant correlation activities, followed moisture content, organic N Available contributed almost 70% affect activity variation. summary, could improve increasing The promotion effect was more under years. Therefore, extending improving effective development strategies sustainable systems. Our provide valuable guidelines design implementation practices

Language: Английский

Characterization of Key Odorants in Lushan Yunwu Tea in Response to Intercropping with Flowering Cherry DOI Creative Commons

Yinxiang Gao,

Zhiyong Lei,

Jigang Huang

et al.

Foods, Journal Year: 2024, Volume and Issue: 13(8), P. 1252 - 1252

Published: April 19, 2024

Lushan Yunwu tea (LSYWT) is a famous green in China. However, the effects of intercropping with flowering cherry on overall aroma have not been well understood. In this study, headspace solid-phase microextraction (HS-SPME) coupled gas chromatography-mass spectrometry (GC-MS) was used for analysis. A total 54 volatile compounds from eight chemical classes were identified samples both and pure-tea-plantation groups. Principal component analysis (PCA), orthogonal partial least-squares discriminant (OPLS-DA), odor activity value (OAV) methods combined sensory evaluation cis-jasmone, nonanal, linalool as key group. Benzaldehyde, α-farnesene, methyl benzene main using microextraction/gas (HS-SPME/GC-MS). These findings will enrich research chemistry offer new insights into product development quality improvement LSYWT.

Language: Английский

Citations

3

The effect of intercropping leguminous green manure on theanine accumulation in the tea plant: A metagenomic analysis DOI Creative Commons

Yu Duan,

Ting Wang,

Peipei Zhang

et al.

Plant Cell & Environment, Journal Year: 2023, Volume and Issue: 47(4), P. 1141 - 1159

Published: Dec. 14, 2023

Abstract Intercropping is a widely recognised technique that contributes to agricultural sustainability. While intercropping leguminous green manure offers advantages for soil health and tea plants growth, the impact on accumulation of theanine nitrogen cycle are largely unknown. The levels theanine, epigallocatechin gallate soluble sugar in leaves increased by 52.87% 40.98%, 22.80% 6.17%, 22.22% 29.04% with soybean–Chinese milk vetch rotation soybean alone, respectively. Additionally, significantly amino acidnitrogen content, enhanced extracellular enzyme activities, particularly β‐glucosidase N ‐acetyl‐glucosaminidase, as well multifunctionality. Metagenomics analysis revealed positively influenced relative abundances several potentially beneficial microorganisms, including Burkholderia , Mycolicibacterium Paraburkholderia . resulted lower expression nitrification genes, reducing mineral loss 2 O emissions. nrfA/H rotation. Structural equation model demonstrated was directly number species, ammonium acid nitrogen. In summary, strategy, rotation, could be novel way accumulation.

Language: Английский

Citations

9

Winter Green Manure Decreases Subsoil Nitrate Accumulation and Increases N Use Efficiencies of Maize Production in North China Plain DOI Creative Commons
Zonghui Hu,

Zhao Qiu,

Xinjian Zhang

et al.

Plants, Journal Year: 2023, Volume and Issue: 12(2), P. 311 - 311

Published: Jan. 9, 2023

Planting a deep-rooted green manure (GM) (more than 1.0 m depth) greatly improves soil fertility and reduces the loss of nutrients. However, few studies have examined response nitrogen (N) distribution in profile subsoil N recovery to long-term planting incorporation GM. Based on 12-year (2009−2021) experiment spring maize-winter GMs rotation North China Plain (NCP), this study investigated effects different that were planted over winter, including ryegrass (RrG, Lolium L.) (>1.0 m), Orychophragmus violaceus (OrV, (>0.8 hairy vetch (VvR, Vicia villosa Roth.) maize yield, deep profile, use efficiencies, functional gene abundances involving nitrification−denitrification processes N2O production. Compared with winter fallow, yield significantly increased by 11.6% after 10 years manuring, water storage 0−200 cm 5.0−17.1% at seedling stage. The total content layer 0−90 15.8−19.7%, while nitrate (80−120 cm) decreased 17.8−39.6%. GM rate (10.4−32.7%) fertilizer partial productivity (4.6−13.3%). Additionally, topsoil genes (ammonia-oxidizing archaea amoA, ammonia-oxidizing bacterial nirS, nirK) without increasing production potential. These results indicated effectively reduce accumulation nitrates improve crop demonstrating great value manuring soil, increase risk NCP.

Language: Английский

Citations

8

Agroecological concepts and alternatives to the problems of contemporary agriculture: Monoculture and chemical fertilization in the context of climate change DOI Creative Commons

Yassmine Elouattassi,

Mohamed Ferioun, Naïma El Ghachtouli

et al.

Journal of Agriculture and Environment for International Development (JAEID), Journal Year: 2023, Volume and Issue: 117(2), P. 41 - 98

Published: Dec. 29, 2023

The modernization of agriculture has transformed natural agrarian systems into other new conventional ones, making it possible to exponentially increase agricultural production. This leads the destruction ecological functions, and services, negative impacts on human health. critical situation given rise a model called agroecology, which emerged as systemic approach that can understand practices traditional systems, scientific discipline defines, classifies, studies agrosystems from an socio-economic point view. paper explores major problems agriculture, including climate change, monoculture, chemical fertilization at local, regional global scale. Equally, we defined different concepts bring together agroecological approach. We based agroecology discipline, practice by defining their scale application, well politico-economic aspect this concept. Further, have proposed alternatives remedy three recorded in first section, several recent research examine whether positive results fertilization, changes. However, more advanced studies, using rigorous design, such case controls, longitudinal surveys regions where is main source income, Morocco, are still needed. These investigations suggested fill gap data areas fields research.

Language: Английский

Citations

7

Living grass mulching improves soil enzyme activities through enhanced available nutrients in citrus orchards in subtropical China DOI Creative Commons
Na Wang, Le Li,

Mengmeng Gou

et al.

Frontiers in Plant Science, Journal Year: 2022, Volume and Issue: 13

Published: Dec. 8, 2022

Living grass mulching (LGM) is an important orchard floor management that has been applied worldwide. Although LGM can effectively enhance soil nutrient availability and fertility, its effects on microbial-mediated cycling main drivers are unclear. Meanwhile, the variation of enzyme activities with duration have rarely studied. This study aims to explore age layer nutrients in citrus orchards. In this study, three (Vicia villosa) treatments were applied, i.e., for eight years, four no (clean tillage). Their analyzed different layers orchards subtropical China, 0-10, 10-20, 20-40 cm. Compared clean tillage, years had fewer nutrients. contrast, significantly increased available nitrogen (N), phosphorus (P) nutrients, β-glucosidase, cellobiohydrolase 0-20 0-40 cm, microbial biomass carbon (C), N, P, N-acetylglucosaminidase, leucine aminopeptidase, acid phosphatase also (P < 0.05). Mulching promoted C, P-cycling total by 2.45-6.07, 9.29-54.42, 4.42-7.11, 5.32-14.91 times, respectively. Redundancy analysis shows layer-dependent positive activities. Microbial C P showed most significant correlation activities, followed moisture content, organic N Available contributed almost 70% affect activity variation. summary, could improve increasing The promotion effect was more under years. Therefore, extending improving effective development strategies sustainable systems. Our provide valuable guidelines design implementation practices

Language: Английский

Citations

12