Root dry matter mass and distribution of Florico grass under different grazing strategies

Barros, Ana Carolina; Almeida, João Carlos de Carvalho; Filho, S. T. Camargo; Carvalho, Carlos Augusto Brandão de; Campana, Ludmila Lacerda; Morais, Leonardo Fiúsa de

doi:10.1590/s0100-204x2017001200017

Cited by 4 publications

(2 citation statements)

References 10 publications

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“…The distribution of roots in the soil profile is consistent with results published by several authors [33][34][35], who reported root concentrations of forage grasses always being higher than 50% in the layer of 0 to 10 cm.…”

Section: Root Systemsupporting

confidence: 91%

Carbon and Nitrogen Stocks and Soil Quality in an Area Cultivated with Guinea Grass under the Residual Effect of Nitrogen Doses

et al. 2020

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This study examines the residual effect of nitrogen (N) doses on the carbon (C) and N stocks and on soil quality in an area cultivated with guinea grass. The pastures received three annual doses of N (100, 200 and 300 kg ha−1) from 2015 to 2017. In 2018, N fertilization was not applied so the residual effect of the nutrient could be characterized. Soil chemical attributes, C and N stocks, density and penetration resistance and root system characteristics were evaluated at different depths. No difference was observed between the N doses for soil density, which averaged 1.22 and 1.25 g cm−3 under and between the tussocks of guinea grass, respectively. Penetration resistance was affected by the N doses post-grazing, with the highest value (1.9 MPa) observed in pastures that received 300 kg ha−1 of N for three consecutive years. Root dry mass was not affected by the N doses. There was no effect of N doses on the average (19.7 mg ha−1) or total (134.3 mg ha−1) C stock in the soil. The total N stock did not change (11.3 mg ha−1) in response to the N doses; however, the average N stock was higher in the soil cultivated with guinea grass under the N dose of 300 kg ha−1 (1.7 mg ha−1). The N doses had little interference with the soil chemical and physical aspects. Regardless of the dose, high C and N stocks were observed in the soil cultivated with guinea grass. Therefore, when properly managed, intensive pasture-based animal production systems become important allies of the environment.

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Section: Root Systemsupporting

confidence: 91%

Carbon and Nitrogen Stocks and Soil Quality in an Area Cultivated with Guinea Grass under the Residual Effect of Nitrogen Doses

et al. 2020

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“…The balance between the shoot and root dry weight in the seedlings from cuttings with 3 buds led to the best investment in roots and improved the seedling quality. This relationship is of fundamental importance for the organization and functioning of the physiological processes and for plant development, where the root is the energy source and the aerial part is a drain on the organic reserves (Barros et al, 2017).…”

Section: Development Of Nursery Seedlingsmentioning

confidence: 99%

Yacon potato propagation from herbaceous cuttings with different numbers of buds

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et al. 2020

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R. A. de-Sales, and A.H. de Oliveira-Carvalho. 2020. Yacon potato propagation from herbaceous cuttings with different numbers of buds. Int. J. Agric. Nat. Resour. The objective of this study was to evaluate yacon potato propagation from herbaceous cuttings with different numbers of buds. Therefore, an experiment was carried out in two phases. The first phase was carried out in a greenhouse with seedlings using a randomized complete block design with 40 replicates. The treatments consisted of varying the number of buds per cutting: two buds (T1), three buds (T2), or four buds (T3). The second phase was carried out in the field following a randomized complete block design with 4 replicates, and the treatments were the same as those used in the seedling phase. The following morphological characteristics were evaluated: number of leaves per plant, leaf area, plant height, stem diameter, number of stems per plant, leaf dry mass, stems, rhizophores, tuberous roots, and tuberous root yield. The physiological characteristics evaluated were the relative chlorophyll content (FCI-Falker chlorophyll index), net CO 2 assimilation rate, leaf transpiration, stomatal conductance, internal CO 2 concentration, water use efficiency and instantaneous carboxylation efficiency. It was observed that the seedlings from cuttings with 3 buds presented higher stomatal conductance (g s), which reflected their higher transpiration rates. The yacon potato presented the best vegetative and productive development when propagated by herbaceous cuttings with three buds.

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Long-term effects of grazing intensities on soil aggregation and organic matter in a no-tilled integrated soybean-cattle system

et al. 2022

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Root dry matter mass and distribution of Florico grass under different grazing strategies

Cited by 4 publications

References 10 publications

Carbon and Nitrogen Stocks and Soil Quality in an Area Cultivated with Guinea Grass under the Residual Effect of Nitrogen Doses

Carbon and Nitrogen Stocks and Soil Quality in an Area Cultivated with Guinea Grass under the Residual Effect of Nitrogen Doses

Yacon potato propagation from herbaceous cuttings with different numbers of buds

Long-term effects of grazing intensities on soil aggregation and organic matter in a no-tilled integrated soybean-cattle system

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