Effects of tree species and planting density on the total yield of an agroforestry system in the Brazilian Cerrado

IF 1.5 3区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY New Zealand Journal of Agricultural Research Pub Date : 2023-10-29 DOI:10.1080/00288233.2023.2274409
Arthur Gabriel Teodoro, Lucas Matheus Rodrigues, José Henrique Tertulino Rocha, Alessandro José Marques Santos, Clarice Backes, Luciana Christina Alves Lopes, Adriana Aparecida Ribon, Pedro Rogério Giongo, Patrick Bezerra Fernandes
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Abstract

ABSTRACTThis study aimed to evaluate the effects of spacing and population density of three tree species on the primary yield of an agroforestry system in the Cerrado. The experiment was conducted in the experimental area of the State University of Goiás, São Luís de Montes Belos, Brazil. The experiment was designed to assess the effects of tree species, density, and spacing in a factorial scheme of 3 × 2 × 3, totaling 18 treatments with two tree rows each. The tree species assessed were Corymbia citriodora (seedlings), Eucalyptus cloeziana (seedlings), and an Eucalyptus urophylla clone. The trees were planted in single and triple rows (Trees planted in single and triple rows, varying density). In the first year of the experiment, maize (Zea mays) and Crotalaria juncea were sown, maize and Marandu palisadegrass (Uroclhoa brizantha cv. Marandu) in the second year, and a monoculture of Marandu palisadegrass during the third and fourth years. Due to the larger tree-covered area, the arrangement in triple rows reduced maize yield by 36% in the first year, silage yield by 40% in the second year, and pasture yield by approximately 30%. Reducing tree density is crucial to ensure the functionality of the agroforestry system.KEYWORDS: AgricultureCerradoMarandu palisadegrassintegrated systemssustainability Disclosure statementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior – Brasil (CAPES) – Finance Code 001. To the Goiás State University Pro Projects fund for the financial support [grant number 029/2016].
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树种和种植密度对巴西塞拉多农林业系统总产量的影响
摘要本研究旨在评价3种树种间距和种群密度对塞拉多农林业系统初级产量的影响。该实验是在巴西de Montes Belos的 Luís州立大学Goiás实验区进行的。试验采用3 × 2 × 3的因子设计,共18个处理,每个处理两行,评估树种、密度和间距的影响。评估树种为柠檬树(Corymbia citriodora)幼苗、cloeziana桉(Eucalyptus cloeziana)幼苗和尾叶桉无性系。树木按单行和三行种植(树木按单行和三行种植,密度不同)。在试验的第一年,播种玉米(Zea mays)和芥菜(Crotalaria juncea),玉米和Marandu palisadegrass (Uroclhoa brizantha cv.)。第二年种植马兰度(Marandu),第三年和第四年单一栽培马兰度栅栏草。由于树木覆盖面积较大,三行种植第一年玉米产量下降36%,第二年青贮产量下降40%,牧草产量下降约30%。降低树木密度对确保农林复合系统的功能至关重要。关键词:农业、农业、马兰度、围栏、草地综合系统、可持续性披露声明作者未报告潜在的利益冲突。本研究的部分资金由巴西高级行政 协调委员会(CAPES) -财务法典001提供。向Goiás州立大学专业项目基金提供资金支持[批准号029/2016]。
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来源期刊
CiteScore
4.90
自引率
16.70%
发文量
31
审稿时长
3 months
期刊介绍: The New Zealand Journal of Agricultural Research publishes original research papers, review papers, short communications, book reviews, letters, and forum articles. We welcome submissions on all aspects of animal and pastoral science relevant to temperate and subtropical regions. The journal''s subject matter includes soil science, fertilisers, insect pests, plant pathology, weeds, forage crops, management systems, agricultural economics, agronomy, and animal science. The journal also accepts crossover papers on subjects such as land –water interactions.
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