Growth and gas exchange of okra under irrigation, organic fertilization and cover of soil

Bertino, Antônio Michael Pereira; Mesquita, Evandro Franklin de; Silva, Francisco Vanies da; Cavalcante, Lourival Ferreira; Ferreira, Nubia Marisa; Paiva, Emanoela Pereira de; Brito, Marcos Eric Barbosa; Bertino, Antonio M. P.

doi:10.5897/ajar2015.9844

Cited by 7 publications

(4 citation statements)

References 13 publications

(16 reference statements)

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“…Moreover, soil mulch (SB and BS) had positive effect on the number of leaves (NL), statistically differing concerning the control treatment (Figure 1B). This result may be justified because plants without cover suffered higher evaporation due to greater soil exposure, which intensified the water loss, causing a water deficit and, consequently, reducing the number of leaves (Bertino et al, 2015). The present result conforms with obtained by Souza et al (2016), who showed a lower number of leaves of cowpea plants when grown without mulch.…”

Section: Resultssupporting

confidence: 91%

Mulch with sugarcane bagasse and bamboo straw attenuates salt stress in cowpea cultivation

Barbosa

Sousa

Schneider

et al. 2021

Rev. bras. eng. agríc. ambient.

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Section: Resultssupporting

confidence: 91%

Mulch with sugarcane bagasse and bamboo straw attenuates salt stress in cowpea cultivation

Barbosa

Sousa

Schneider

et al. 2021

Rev. bras. eng. agríc. ambient.

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“…Fertilization at planting was performed based on the supply of the sources and doses that were pre-established in the experimental design, which was provided 20 days before planting the sweet potato crop. For the calculation of the manure doses applied in the first experiment, the equation proposed by Bertino et al (2015) was adopted:…”

Section: Methodsmentioning

confidence: 99%

Effect of Combined Organic and Inorganic Fertilizer Application on Soil Attributes, Yield and Quality of Sweet Potato (Ipomoea batatas L.)

Nunes

Silva²,

Neto³

et al. 2020

JAS

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The use of organic fertilizers in adequate doses is an alternative to reduce the use of inorganic inputs, improving the soil chemical attributes, and increasing the production and quality of sweet potato. In this perspective, the objectives of this study were: (i) to evaluate the effects of fertilization with poultry and bovine manure, Ribumin®, and of conventional fertilization on soil attributes, production, and quality of sweet potato; and (ii) to evaluate the residual effect of organic fertilization on the production components and quality of sweet potato, in the second crop cycle. The two experiments were developed in the 2018/2019 crop year at the Agrotechnical School of the Federal University of Roraima (UFRR), Brazil. The treatments were arranged in a randomized block design with three replications, using a (2 × 5 × 2) + 1 factorial arrangement referring to two manure sources (bovine and poultry manure) and five doses, aiming at increasing the content of soil organic matter (1.35%) to 2.35; 3.35; 4.35, and 5.35%, in the absence and presence of Ribumin®, and an additional treatment referring to organomineral fertilization. For the evaluation of the second cycle, the residual effect of the manure was evaluated by applying only Ribumin® and conventional fertilizers. In the first cycle, the addition of 50.4 t ha-1 of bovine manure without Ribumin® provided the highest values of total (14.7 t ha-1) and marketable yield (14.6 t ha-1). However, the addition of poultry manure associated with the application of Ribumin® provided no increments in the sweet potato production components. Under the same experimental conditions, chemical fertilization can be replaced by fertilization with organic sources.

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“…The beds were created 1.25 meters wide, 13 meters long and 0.20 meters high. Bovine manure was incorporated in the beds to raise the contents of organic matter from 1.15 to 3%, according to the formula proposed by Bertino et al (2015). The characterization of the cattle manure used in the beds is shown in Table 3.…”

Section: Methodsmentioning

confidence: 99%

Shading on Yield and Quality of Lettuce Cultivars in Semiarid Conditions

Júnior¹,

Queiroga²,

Sousa³

et al. 2019

JAS

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Lettuce is a crop originating from temperate climate, and for this reason, when cultivated in semiarid region, characterized by high luminosity and temperature, major losses in productivity and quality occur. The objective of this work was to evaluate the influence of different levels of shade on yield and quality of lettuce cultivars in semiarid conditions. The experiment was conducted under field conditions at the Human and Agricultural Sciences Center at State University of Paraiba, Brazil, in randomized blocks with parcels divided into 4 × 4 factorial space, and four repetitions. The parcels received different shading levels (0, 30, 50 and 70%) with black polypropylene screen and sub parcels by lettuce cultivars: ‘Americana Irene’, ‘White Boston’, ‘Regina de Verão’ and ‘Green Salad Bowl’. The shading promoted higher performance in height, stem diameter, root length, pH and dry mass of lettuce plants when compared to those grown in the open-air, being the shading of 70% the more efficient. The ‘Americana Irene’ cultivar was distinguished in terms of plant height, foliage area, leaves dry mass and soluble solids, independently from the cultivation environment. With the shading, this cultivar improved the aerial shoot-root ratio and root dry mass.

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Growth and gas exchange of okra under irrigation, organic fertilization and cover of soil

Cited by 7 publications

References 13 publications

Mulch with sugarcane bagasse and bamboo straw attenuates salt stress in cowpea cultivation

Mulch with sugarcane bagasse and bamboo straw attenuates salt stress in cowpea cultivation

Effect of Combined Organic and Inorganic Fertilizer Application on Soil Attributes, Yield and Quality of Sweet Potato (Ipomoea batatas L.)

Shading on Yield and Quality of Lettuce Cultivars in Semiarid Conditions

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