Arid
DOI10.1017/S1742170523000078
Locally available compost application in organic farms: 2-year effect on biological soil properties
Assirelli, A.; Fornasier, F.; Caputo, F.; Manici, L. M.
通讯作者Manici, LM
来源期刊RENEWABLE AGRICULTURE AND FOOD SYSTEMS
ISSN1742-1705
EISSN1742-1713
出版年2023
卷号38
英文摘要Composting technologies have progressed parallel to the growing interest in recycling organic waste over recent decades, whilst in-field compost application requires technical improvement and more experience in order to optimize their effect according to the agro-environment and the type of crop which follow their incorporation into the soil. In response to compost application, biological soil features were assessed in field by adopting precision agricultural machinery and by limiting soil incorporation to a depth of 15 cm. A 2-year trial was carried out on two sites in the East Po valley (Northern Italy), an agricultural district which, in 2000, was classified as being on the verge of desertification, and where efforts to counteract soil organic matter decline have been underway for some decades. A green-waste compost produced in accordance with current national directives was applied in autumn 2019 and 2020 to two organic fields using precision farming machinery for compost spreading and conventional harrows for incorporation. Fields were divided into two large plots to compare the effect of compost treatment to an untreated control and were managed according to organic farming practices. Seven months after application, microbial biomass, assessed in terms of DNA, and 17 enzymatic activities were estimated by sampling root-explored soil at the vegetative stage of different seed crops for organic horticulture. A significant overall increase of biological soil activity was detected after the second application. The qualitative response varied slightly between the two sites: a higher impact of microbial biomass was observed in the site that was poorer in soil organic matter; whilst in the other, an increase of phosphatase activities contributed more to the general increase of biological activity. Findings show that, in those agricultural soils, an agronomic advantage from compost can be obtained only after repeated applications; furthermore, precision farming technologies facilitate compost application even in small, specialized farms such as those which hosted this trial.
英文关键词Amendments enzymatic activity green-waste compost organic seed production soil organic matter yard-waste compost
类型Article
语种英语
开放获取类型gold
收录类别SCI-E
WOS记录号WOS:000936396500001
WOS关键词MICROBIAL COMMUNITIES ; ENZYME-ACTIVITY ; PLANT-DISEASES ; BIOMASS ; IMPACT ; CARBON ; SUPPRESSIVENESS ; POPULATION ; AMENDMENTS ; GROWTH
WOS类目Agriculture, Multidisciplinary
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/398362
推荐引用方式
GB/T 7714
Assirelli, A.,Fornasier, F.,Caputo, F.,et al. Locally available compost application in organic farms: 2-year effect on biological soil properties[J],2023,38.
APA Assirelli, A.,Fornasier, F.,Caputo, F.,&Manici, L. M..(2023).Locally available compost application in organic farms: 2-year effect on biological soil properties.RENEWABLE AGRICULTURE AND FOOD SYSTEMS,38.
MLA Assirelli, A.,et al."Locally available compost application in organic farms: 2-year effect on biological soil properties".RENEWABLE AGRICULTURE AND FOOD SYSTEMS 38(2023).
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