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Agro-economic responsiveness of radish associations with cowpea in the presence of different amounts of Calotropis procera, spatial arrangements and agricultural crops 64
Nunes,Renato Leandro Costa; Bezerra Neto,Francisco; Lima,Jailma Suerda Silva de; Barros Júnior,Aurélio Paes; Chaves,Aridênia Peixoto; Silva,Josimar Nogueora da.
ABSTRACT The integration of research emphasizing sustainable development, employment, income generation and food security has been highlighted in the media. The objective of this research was to evaluate the agro-economic responsiveness of radish associations with cowpea in the presence of different amounts of roostertree, spatial arrangements and agricultural crops. The experimental design was a randomized block design with four replications, with treatments arranged in a 4 x 3 factorial scheme, where the first factor consisted of four amounts of C. procera incorporated in the soil (20, 35, 50 and 65 t ha-1 on a dry basis) and the second factor of three spatial arrangements (2:2, 3:3, and 4:4) in two cropping seasons. Radish samples were evaluated for...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Raphanus sativus; Vigna unguiculata; Intercropping..
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542018000400350
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Agronomic and economic feasibility indicators for cowpea-vegetable under green manure in a semiarid environment 124
Silva,Josimar Nogueora da; Bezerra Neto,Francisco; Lima,Jailma Suerda Silva de; Barros Júnior,Aurélio Paes; Nunes,Renato Leandro Costa; Chaves,Aridênia Peixoto.
ABSTRACT Two experiments were conducted in different areas of the Rafael Fernandes Experimental Farm, located in Lagoinha district, 20 km from Mossoró municipality (RN), in the period from June to September of the years of 2015 and 2016 with the objective of evaluating and estimating agronomic and economic feasibility indicators of cowpea-vegetable as a function of amounts of hairy woodrose (Merremia aegyptia (L.) Urb.) biomass incorporated into the soil in two crops. Treatments consisted of the following amounts of hairy woodrose biomass: 20, 35, 50 and 65 t ha-1 on a dry basis. The cultivar of cowpea-vegetable planted was “BRS Itaim”. The evaluated characteristics were: length of green pods, number of green pods per m2, productivity and dry mass of green...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Vigna unguiculata (L.) Walp; Merremia aegyptia L.; Optimization of agroeconomic efficiency; Growing seasons.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902020000200419
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Agronomic evaluation of cowpea as a function of weed control with herbicides and different combinations 124
Souza,Wando Wilson de Oliveira; Oliveira,Alexandre Bosco de; Dutra,Alek Sandro; Nunes,Renato Leandro Costa; Cavalcante,Robson Assunção.
ABSTRACT Cultivation of the cowpea is important in various regions of Brazil, but competition from weeds is one of the factors which limit productivity. The aim of this study therefore was to evaluate the pre-plant selectivity and efficiency of different herbicides, and combinations of herbicides, in the cowpea [Vigna unguiculata (L.) Walp.]. An experiment was carried out in a randomised block design, in lots split over time and with three replications, using a 4 x 7 factorial scheme, where the treatments consisted of: glyphosate, glyphosate + imazethapyr, glyphosate + flumioxazin, glyphosate + imazethapyr + flumioxazin, glyphosate + ready mix (imazethapyr & flumioxazin), and two control treatments (one with no weeding and one with manual weeding). The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Vigna unguiculata (L.) Walp; Chemical control; Competition from weeds.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902016000400675
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Agronomic performance of onion hybrids in Baraúna, in the semi-arid region of Brazil 124
Nunes,Renato Leandro Costa; Oliveira,Alexandre Bosco de; Dutra,Alek Sandro.
In the Brazilian state of Rio Grande do Norte, the significant planting of onions is relatively recent, with producers seeking alternative ways to reduce losses. As a result, it was aimed to evaluate the agronomic performance of onion hybrids in the town of Baraúna in the semi-arid region of Rio Grande do Norte. The experimental design was of randomised blocks with six replications. Treatments consisted of eight hybrids (Cronus F1, Predilata F1, Serena F1, Fortaleza F1, Mata Hari, Luana, Lambada, Don Victor) and a control cultivar (IPA 11). The following were evaluated: average plant height; average number of leaves; diameter of the pseudostem; productivity; average bulb weight; rate of survival; leaf-waxiness; cultivar cycle; commercial classification of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Allium cepa; Productivity; Precocity; Bulb classification.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902014000300023
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Production and benefits in carrot and vegetable cowpea associations under green manuring and spatial arrangements 124
Silva,Josimar Nogueora da; Bezerra Neto,Francisco; Lima,Jailma Suerda Silva de; Santos,Elizangela Cabral dos; Nunes,Renato Leandro Costa; Chaves,Aridênia Peixoto.
ABSTRACT The use of a cropping system that provides producers with better land use, higher productivity per unit area, greater diversification in production, and, consequently, agro-economic advantages, is the choice of many vegetable producers. To meet the demands of these producers, experiments were conducted under field conditions in a semi-arid environment to evaluate the production and agro-economic benefits of carrot x vegetable cowpea associations as a function of green manuring with biomass of Merremia aegyptia L., a spontaneous species from the Caatinga biome, in different spatial arrangements at two cropping years. The experimental design was a randomized complete block design with treatments arranged in a 4 x 3 factorial scheme, with four...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Daucus carota; Vigna unguiculata; Crop association; Agro-economic efficiency.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902020000400404
Registros recuperados: 5
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