Agronomic performance in radish fertilised with Calotropis procera (Ait.) R. Br. in
            two growing seasons

Silva, Antonia Francilene Alves da; Souza, Ênio Gomes Flôr; Júnior, Aurélio Paes Barros; Neto, Francisco Bezerra; Silveira, Lindomar María da

doi:10.5935/1806-6690.20170038

Cited by 8 publications

(7 citation statements)

References 12 publications

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“…This indicates that both water deficit and excess affected radish quality, which is in accordance with Alves et al (2017) and Noman et al (2018). Silva et al (2017) reported that the presence of cracks is one of the reasons of making a radish noncommercial, but the best way to prevent cracking in roots is to maintain a uniform water supply. Silva et al (2012) tested radish tolerance to soil wetting in Mossoró, RN, and observed its sensitivity to water saturation, especially when stress occurred in the first development stages of the plants, concluding that the radish root system is more sensitive to wetting than the shoot.…”

Section: Resultssupporting

confidence: 79%

“…Water deficiency is usually the most limiting factor for obtaining high productivity and good quality products (Carmichael et al, 2012;Abdel, 2015;Cunha et al, 2017), but its excess can also be detrimental. Soil water content during the crop cycle should be maintained constant, avoiding fluctuations to avoid cracks in the roots and decreases in quality (Silva et al, 2012;Alves et al, 2017;Silva et al, 2017;Noman et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

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Agronomic Performance of Radish Genotypes Under Different Irrigation Depths

et al. 2019

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In radish production, the choice of proper genotypes and irrigation regime is of great importance to achieve success. In light of this, the current study aimed to evaluate the agronomic performance of a few radish genotypes under different irrigation strategies. The plants were grown in the city of Unaí-MG, in Brazil, under field conditions, and during two cycles, one of 40 days (from February 28 to April 8, 2015) and other of 51 days (from May 9 to June 28, 2015). The experimental design was a randomized block design in a split-plot arrangement with four replications. The treatments consisted of four irrigation strategies (50, 75, 100, and 125% of crop evapotranspiration-ETc) applied by a dripping irrigation system, while subplots consisted of three radish cultivars (Comet, Saxa, and Crimson Giant). We evaluated the following parameters: root system depth, leaf chlorophyll content, shoot fresh matter, diameter and length of tuberous root, number, and mass of commercial and non-commercial tuberous roots, and water use efficiency. All the radish genotypes showed no differences for agronomic characteristics. Under Brazilian Cerrado conditions, the most suitable irrigation strategy for radish crops is 100% of ETc.

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Section: Resultssupporting

confidence: 79%

Section: Introductionmentioning

confidence: 99%

Agronomic Performance of Radish Genotypes Under Different Irrigation Depths

et al. 2019

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“…This polynomial behaviour, and the optimization of each agronomic characteristic of the beet, can be attributed to the law of the maximum, where the excess of a nutrient in the soil from an increase in its dose can cause toxic effect and/or diminish the effectiveness of others, thus reducing the values of the analyzed variables (Almeida et al, 2015). Another justification that may be related to this behaviour and the optimization is the adequate synchrony between the period of greater nutrient demand by the beetroot and the release of the nutrients by the hairy woodrose (Fontanétti et al, 2006;Silva et al, 2017). Souza et al (2018), in studying the effect of green manure, using different amounts of hairy woodrose in beetroot intercropping with cowpea under the same conditions of semiaridity as this research, observed maximum values of 2.99, 2.98, 2.61, 2.76, 13.97, 12.46 and 1.64 t ha -1 , respectively, for the dry mass of shoots, productivity of roots extra, extra A, extra AA + great, and for total and commercial root productivity when fertilized with the following respective amounts of hairy woodrose: 38.00, 10.00, 55.00, 47.37, 55.00, 55.00 and 10.00 t ha -1 added to the soil.…”

Section: Evaluation Of Agronomic Characteristicsmentioning

confidence: 99%

Agro-biological and economic efficiency in a beetroot (Beta vulgaris L.) production system fertilized with hairy woodrose (Merremia aegyptia (L.) Urb.) as green manure

et al. 2019

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Beetroot (Beta vulgaris L.) is a tuberous vegetable that is under experimentation in the vegetable production system in Rio Grande do Norte state (Brazil). It is quite demanding, in nutritional terms. One of the alternatives to meet this need is green manuring using spontaneous species of the Caatinga biome. The aim of the present work was to optimize the agro-biological performance and economic profitability of the beetroot 'Early Wonder', fertilized with different doses of hairy woodrose (Merremia aegyptia (L.) Urb.) in this semi-arid environment. Hairy woodrose is a spontaneous species of the Caatinga biome that is widely distributed, being found in forests, fences, forest clearings and fields, growing in soils of different textures, producing biomass with a high content of macronutrients. This material was collected from spontaneous vegetation, native to the region, and used as green manure.The experimental design was a randomized complete block, with four treatments and five replicates. The treatments consisted of four amounts of hairy woodrose biomass incorporated into the soil (10, 25, 40 and 55 t ha-1 of dry matter). The following agronomic characteristics were evaluated in each beetroot treatment: plant height, fresh mass of shoots, number of leaves per plant, dry mass of shoots and dry mass of roots, total and commercial root productivity, and root productivity classified into scrap and extra roots, extra A roots, extra AA and great roots. Apart from these characteristics, the following economic indicators were also determined for each treatment: gross income, net income, rate of return and profit margin. The maximum agro-biological efficiency of beet root productivity (22.68 t ha-1) was obtained from 44.92 t ha-1 of hairy woodrose biomass added to the soil. The maximum economic efficiency of the yield of beet roots was achieved as a net income of AU$2,491.00 (R$6,406.36) ha-1, provided by the production of 22.04 t ha-1 of commercial roots, using 37.03 t ha-1 of hairy woodrose biomass incorporated into the soil. The use of hairy woodrose as green manure presents agro-economic feasibility in beet cultivation in this semi-arid environment.

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“…] stand out due to their availability, ease of obtaining, high fresh mass production, and high N contents (BATISTA et al, 2016). Some studies have been conducted using these species, which have shown good results as soil fertilizers for leafy and root vegetables and increased commercial yields for single crops (GÓES et al, 2011;SILVA et al, 2011;BEZERRA NETO et al, 2014;OLIVEIRA et al, 2015a;SOUZA et al, 2016;SOUZA et al, 2017;SILVA et al, 2017;SOUZA et al, 2019;NUNES et al, 2020) and intercrops (ALMEIDA et al, 2015;OLIVEIRA et al, 2015b;BEZERRA NETO et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

ECONOMIC VIABILITY OF BEET CROPS USING Calotropis procera BIOMASS AS SOIL FERTILIZER IN TWO GROWING SEASONS1

Santana¹,

Souza

Santos

et al. 2021

Rev. Caatinga

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The use of green manure from spontaneous species has gained prominence for vegetable crops focused on environmental sustainability and is an alternative method for the Semiarid region in the Northeast of Brazil. Two experiments were conducted in two growing seasons (autumn and spring-summer), in Serra Talhada, PE, Brazil, to evaluate the effects of different amounts of biomass of Calotropis procera (roostertree) and incorporation times on the agro-economic performance of beet crops. A randomized block experimental design was used, with three replications, in a 4 × 4 factorial arrangement; the first factor consisted of amounts of C. procera biomass (5.4, 8.8, 12.2, and 15.6 Mg ha-1 on a dry basis) and the second factor consisted of times of incorporation into the soil (0, 10, 20, and 30 days before planting beet). Commercial root yield, production costs, and the following economic indicators were determined: gross income, net income, return rate, and profitability index. The use of 15.6 Mg ha-1 of C. procera biomass resulted in the highest gross and net incomes and the use of 5.4 and 12.2 Mg ha-1 resulted in the best return rates and profitability indexes in autumn and spring-summer seasons, respectively; the planting time was considered as ideal for the biomass incorporation. The spring-summer growing season resulted in a higher economic return than the autumn growing season. The use of C. procera as a green manure for beet production is economically viable, regardless of the factors evaluated.

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Agronomic performance in radish fertilised with Calotropis procera (Ait.) R. Br. in two growing seasons

Abstract: Desempenho agronômico do rabanete adubado com Calotropis procera (Ait.) R. Br. em duas épocas de cultivo 1 Agronomic performance in radish fertilised with Calotropis procera (Ait.

Cited by 8 publications

References 12 publications

Agronomic Performance of Radish Genotypes Under Different Irrigation Depths

Agronomic Performance of Radish Genotypes Under Different Irrigation Depths

Agro-biological and economic efficiency in a beetroot (Beta vulgaris L.) production system fertilized with hairy woodrose (Merremia aegyptia (L.) Urb.) as green manure

ECONOMIC VIABILITY OF BEET CROPS USING Calotropis procera BIOMASS AS SOIL FERTILIZER IN TWO GROWING SEASONS1

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