干旱区生态环境知识资源中心(Arid): Spatial dependence of attributes of rainfed maize under distinct soil cover conditions

Arid

DOI	10.1590/1807-1929/agriambi.v23n1p33-39
	Spatial dependence of attributes of rainfed maize under distinct soil cover conditions
	de Carvalho, Ailton A.1; Montenegro, Abelardo A. de A.1; de Assis, Fred M., V 1; Tabosa, Jose N.2; Cavalcanti, Roberta Q.1; Almeida, Thayna A. B.1
通讯作者	de Carvalho, Ailton A.
来源期刊	REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL
ISSN	1807-1929
出版年	2019
卷号	23 期号:1 页码:33-39
英文摘要	Maize crop under rainfed conditions is widely grown in the Brazilian Northeast on community farms for human and animal consumption. The application of mulch could be adopted to enhance rainwater harvesting and soil moisture levels, although such practice is rarely applied in rainfed cultivation. This study aimed to evaluate the spatial variability of maize productivity, based on soil physical attributes and plant growth and yield, under a rainfed regime in the presence and absence of mulch in the Brazilian semi-arid region. The study was conducted from May to September 2016 in Pesqueira - PE (locality of the Semiarid of Pernambuco State, Northeast, Brazil), during which the development and production of maize in experimental plots were evaluated, and maize was grown using the traditional cropping system with and without mulching. Two grids with 40 points in a 4 x 10 m mesh were established, with spacing of 1 m for soil sampling and maize biometric evaluation. For statistical analysis, 30 samples were randomly selected from each plot. Maize cultivated in the presence of mulch showed higher development, with symmetrical distribution for all variables except for soil moisture and stem diameter. Sand content, soil moisture, height of the first cob, number of leaves, leaf length, plant height, and cob weight presented moderate to strong spatial scale dependence for the two cropping conditions, with higher spatial dependence consistently observed for the development parameters in the covered area.
英文关键词	rainfed agriculture kriging coconut powder mulching cultivar Sao Jose
类型	Article
语种	英语
国家	Brazil
开放获取类型	gold, Green Submitted
收录类别	SCI-E
WOS记录号	WOS:000458643800006
WOS关键词	SEMIARID REGION ; VARIABILITY ; MOISTURE ; DYNAMICS ; CROP
WOS类目	Agricultural Engineering
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/2XILL650/218477
作者单位	1.Univ Fed Rural Pernambuco, Dept Engn Agr, Programa Posgrad Engn Agr, Recife, PE, Brazil; 2.Inst Agron Pernambuco, Recife, PE, Brazil
推荐引用方式 GB/T 7714	de Carvalho, Ailton A.,Montenegro, Abelardo A. de A.,de Assis, Fred M., V,et al. Spatial dependence of attributes of rainfed maize under distinct soil cover conditions[J],2019,23(1):33-39.
APA	de Carvalho, Ailton A.,Montenegro, Abelardo A. de A.,de Assis, Fred M., V,Tabosa, Jose N.,Cavalcanti, Roberta Q.,&Almeida, Thayna A. B..(2019).Spatial dependence of attributes of rainfed maize under distinct soil cover conditions.REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL,23(1),33-39.
MLA	de Carvalho, Ailton A.,et al."Spatial dependence of attributes of rainfed maize under distinct soil cover conditions".REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL 23.1(2019):33-39.