Results 21 to 30 of about 4,273 (187)

MANEJO E ADAPTAÇÃO DO GIRASSOL EM SOLOS DO CERRADO

open access: yesCOLLOQUIUM AGRARIAE, 2017
The sunflower (Heliantus anuus L.) belongs to the family Asteraceae, being part of a genus with approximately 49 cataloged species, where 12 are annual species and 37 are perennial species (UNGARO, 1990). Among the species, Heliantus anuus L. stands out for being a cultivar that has as advantageous characteristic, its great capacity of adaptation ...
Milena de Lima Vieira   +7 more
openaire   +1 more source

VARIABILIDADE DE ATRIBUTOS FÍSICOS E QUÍMICOS DO SOLO E PRODUÇÃO DE FEIJOEIRO CULTIVADO EM SISTEMA DE CULTIVO MINIMO COM IRRIGAÇÃO

open access: yesRevista Brasileira de Ciência do Solo, 2015
A compreensão do potencial agrícola de um solo muitas vezes é com base apenas na interpretação por meio de análises univariadas, podendo elevar a dimensão dos problemas no momento de escolher o manejo adequado ao solo. Dessa forma, a análise multivariada
Evelize Nayara Santana da Silva   +5 more
doaj   +1 more source

Farmers’ views on the use and management of soil and its relation to the return of erosion in non-tillage systems

open access: yesSemina: Ciências Agrárias, 2018
The non-tillage system (NTS), until now considered an effective management tool for the control of erosion, has gradually increased the loss of soil.
Claudia Maria Prado Furquim   +2 more
doaj   +1 more source

A Global Meta-Analysis of Soil Carbon Stock in Agroforestry Coffee Cultivation

open access: yesAgronomy
Given the climate crisis, the search for sustainable production with potential to reduce excess of carbon dioxide (CO2) in the atmosphere has been the subject of global agreements. Soils are fundamental carbon storage systems, with a relevant role in CO2
Vanessa Matos Gomes   +7 more
doaj   +1 more source

Bulk density and water tensions in the soil on corn root production

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2016
Inadequate management of soil and water can cause changes in soil physical characteristics, resulting in lower root development. Thus the objective of the present study was to evaluate the dry matter production of corn roots under combinations of levels ...
João A. S. Nunes   +2 more
doaj   +1 more source

Soil physical properties and grape yield influenced by cover crops and management systems

open access: yesRevista Brasileira de Ciência do Solo, 2013
The use of cover crops in vineyards is a conservation practice with the purpose of reducing soil erosion and improving the soil physical quality. The objective of this study was to evaluate cover crop species and management systems on soil physical ...
Jaqueline Dalla Rosa   +7 more
doaj   +1 more source

MATURAÇÃO EM CANA-DE-AÇÚCAR: MANEJO DO SOLO

open access: yesColloquium Agrariae, 2010
The research objective was to evaluate the effect of trash deposited in the soil in ratoon sugarcane cultivar RB 86 7515, planted in two different planting systems (furrow and windrow) and who received treatment with hydrogel polymer (0, 4, 8, and 12 grams per meter), in determining the maturity indexes (MI) of sugarcane.
Larissa Neves Carolina Gonçalves Neves   +10 more
openaire   +4 more sources

Atividade do herbicida acetochlor em solo submetido à semeadura direta e ao preparo convencional [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2002
Com o objetivo de estudar a atividade do herbicida acetochlor em Argissolo Vermelho submetido à semeadura direta e ao preparo convencional, foram conduzidos experimentos no campo e em laboratório.
Miguel Vicente Weiss Ferri   +4 more
doaj   +1 more source

ATRIBUTOS DO SOLO EM SISTEMAS DIFERENCIADOS DE USO E MANEJO DO SOLO

open access: yesColloquium Agrariae, 2020
Sistemas diferentes de uso do solo têm sido propostos e implementados na região centro-oeste do Brasil. Essas novas técnicas garantem a recuperação de áreas degradadas e a potencialização do uso, e por isso têm se tornado cada vez mais frequentes, o que exige conhecimento técnico para confirmar a sua viabilidade.
Ana Carla Stieven   +4 more
openaire   +1 more source

High‐Resolution Satellite Imagery Reveals Landscape‐Scale Benthic Habitat Changes in a Turbid Coral Reef

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
High‐resolution satellite imagery and landscape metrics revealed a 77% decline in coral‐dominated habitats at Abrolhos Bank between 2010 and 2024, accompanied by macroalgal and zoanthid expansion. Spatial reorganisation indicates increasing fragmentation, homogenisation and loss of reef structural complexity.
Thais Andrade Galvão de Medeiros   +4 more
wiley   +1 more source

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