Soil moisture in the root zone and its relation to plant vigor assessed by remote sensing at management scale

Santos, Walbert Júnior Reis dos; Silva, Bruno Montoani; Oliveira, Geraldo César de; Volpato, Margarete Marin Lordelo; Lima, José Maria de; Curi, Nilton; Marques, João José

doi:10.1016/j.geoderma.2014.01.006

Cited by 60 publications

(55 citation statements)

References 25 publications

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“…Thus, the adoption of water conservation practices might mitigate soil water deficit in Cerrado, which is partly possible due to the increase in intermediate pores in Latosols (Barbosa et al, 2014) and to plant root system development, especially in plants younger than 3-years (Carducci et al, 2016), which improves the use of deep water stored in the soil. This practice is possible and was confirmed by other authors Santos et al, 2014;Serafim et al, 2013a, b, c).…”

Section: Introductionsupporting

confidence: 78%

“…depth, the highest water uptake by plants was observed, as verified by Santos et al (2014), when monitoring the spatial distribution of soil moisture at the same depths and experimental area. Sampling depth was not significant in the 3-years coffee stand, which could be related to the plants at younger stage (3 years age), being insufficient to cause alterations in these pore diameter classes.…”

Section: Characterization Of the Soil Physical Propertiessupporting

confidence: 65%

“…The occurrence of dry spells and prolonged drought periods are common in the study area. Thus, the presence of deep fine or absorption roots is positive, since the water content will be almost always available to coffee plants in these layers, as reported by Silva (2012) and Santos et al (2014), which may minimize the hydric stress and increase yield.…”

Section: Root Classification Of the Coffee Plantsmentioning

confidence: 68%

See 2 more Smart Citations

Root spatial distribution in coffee plants of different ages under conservation management system

Silva¹,

Silva²,

Oliveira³

et al. 2016

Afr. J. Agric. Res.

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Root system growth and soil structure are interdependent and the threshold of separation between both of them is complex. However, by the evaluation of soil pore space, it is possible to characterize the root system growth environment. The aim of this study was to evaluate the effect of conservation management system over time on pore distribution and on root system development of coffee plantation in Cerrado Oxisol, located in the state of Minas Gerais, Brazil. Two coffee plantation areas were sampled (3 or 6 years old). Trenches were dug lengthwise along the planting row to expose the root system and the vertical profiles were divided into 0.05 × 0.05 m grid cells (0.70 × 1.50 m grid), totaling 420 sample sites. Digital images were taken and using the computer software Safira, it was measured layers along the soil profile, which was spaced 0.10 m apart. Disturbed and undisturbed soil cores the length, the surface area and the volume of the root system were sampled at 0.20 to 0.34, 0.80 to 0.94, and 1.50 to 1.64 m depths layers, in order to determine particle size, total porosity, and pore size distribution. The 3-years coffee stand had the greatest volume of macropores and the largest number of absorbent roots, besides a noticeable root system growth below 1 m depth. The 6-years old coffee stand presented pores reconfiguration due to increase in the intermediate-sized pores and to the uniform root distribution in both horizontal and vertical directions up to 0.9 m depth.

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Section: Introductionsupporting

confidence: 78%

Section: Characterization Of the Soil Physical Propertiessupporting

confidence: 65%

Section: Root Classification Of the Coffee Plantsmentioning

confidence: 68%

See 1 more Smart Citation

Root spatial distribution in coffee plants of different ages under conservation management system

Silva¹,

Silva²,

Oliveira³

et al. 2016

Afr. J. Agric. Res.

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“…Semakin tinggi kelembaban udara,memicu proses transpirasi menurun, sehingga penyerapan air dan unsure hara menurun (Kidron & Gutschick, 2013;Reis Santos et al, 2014).…”

Section: Article Infounclassified

Spesies Tumbuhan Penyusun Vegetasi Lantai di Wilayah Restorasi Taman Nasional Gunung Merapi di Ngablak, Magelang, Jawa Tengah

Purnomo

Sancayaningsih

Wulansari

2017

J.Tropical Biodiversity Biotechnology

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“…Observa-se também a elevação da concentração hidrogeniônica, conduzindo ao predomínio das condições redutoras aumentando a toxicidade de muitos elementos químicos, que assim tornam-se mais solúveis, tal como, os metais pesados e a diminuição da capacidade de reciclar a matéria orgânica, levando à acumulação de detritos e sedimentos (Santos et al, 2014). (Costa et al, 2009).…”

Section: Avaliação Do Estado Trófico Do Rio Piracicaba E Sua Relação unclassified

Avaliação Do Estado Trófico Do Rio Piracicaba E Sua Relação Com a Uhe – Sá Carvalho, Mg, Brasil

et al. 2016

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RESUMOO rio Piracicaba, Minas Gerais, apresenta extensão correspondente a 241 km desde a sua nascente na Serra do Caraça até sua foz no rio Doce, totalizando uma área de 6.000 km 2 com diversos afluentes e originando a Bacia Hidrográfica do Rio Piracicaba (BHRP). Dentre as localidades da BHRP se destaca a região metropolitana do Vale do Aço, que exerce elevada pressão antrópica no corpo d'água em função do seu perfil produtivo (mineração, siderurgia, reflorestamento com eucaliptos, etc.) afetando o ecossistema. Esse estudo priorizou analisar a questão da qualidade da água superficial com ênfase para o processo de eutrofização com base na mensuração de variáveis limnológicas em pontos de coleta distintos, sendo P 1 (Fonseca), P 2 (Rio Piracicaba), P 3 (Nova Era), P 4 (Coronel Fabriciano) e P 5 (Ipatinga) localizados no entorno da Usina Hidrelétrica Sá Carvalho (UHE -Sá Carvalho). Foram realizadas amostragens da água superficial em regime quadrimestral no período compreendido entre julho/2007 até julho/2012, mensurados teores de nitrogênio total, fósforo total, oxigênio dissolvido, dentre outros, conforme procedimentos técnicos estabelecidos por CETESB (2014) e ANA (1998). Os resultados foram relacionados com o reservatório hidrelétrico para avaliar a sua influência na qualidade da água. Com os dados obtidos foram trabalhados a relação entre o nitrogênio e o fósforo (N:P), Índice de Estado Trófico modificado para fósforo total (IET-PT) e o Índice do Estado Trófico para Clorofila a (IET-Cla) evidenciando o incremento dos nutrientes em função da descarga de esgoto sanitário, atividades agrícolas e efluentes industriais. As amostras de água da BHRP indicaram condições supertróficas em diversas campanhas possivelmente relacionadas com a descarga de esgoto sanitário, atividades agrícolas e efluentes industriais. Enquanto para a UHE -Sá Carvalho foram encontrados resultados consoantes aos limites do CONAMA 357/2005 e COPAM/CERH 01/2008 para águas Classe 2. Finaliza-se

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Soil moisture in the root zone and its relation to plant vigor assessed by remote sensing at management scale

Cited by 60 publications

References 25 publications

Root spatial distribution in coffee plants of different ages under conservation management system

Root spatial distribution in coffee plants of different ages under conservation management system

Spesies Tumbuhan Penyusun Vegetasi Lantai di Wilayah Restorasi Taman Nasional Gunung Merapi di Ngablak, Magelang, Jawa Tengah

Avaliação Do Estado Trófico Do Rio Piracicaba E Sua Relação Com a Uhe – Sá Carvalho, Mg, Brasil

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