Results 21 to 30 of about 127,539 (258)

New perspectives on the allelopathic potential of Brazilian Atlantic Forest native trees [PDF]

open access: yesBrazilian Journal of Biology
Secondary metabolites released into the environment by plants species can mediate interplant interactions, either positively or negatively affecting the growth and development of neighboring plants.
L. F. D. Moraes   +3 more
doaj   +2 more sources

Variabilidade espacial de cálcio, magnésio, fósforo, potássio no solo e produtividade da pimenta-do-reino Spatial variability of calcium, magnesium, phosphorus, potassium in soil and yield of black pepper

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2012
A pimenta-do-reino é uma importante fonte de renda para o produtor rural, razão por que é uma espécie predominantemente cultivada por pequenos produtores porém ainda é pouco conhecida a relação da variação espacial dos nutrientes e da produtividade da ...
Eduardo O. de J. Santos   +2 more
doaj   +1 more source

Chitin nanofiber coating retains postharvest quality and extends shelf life of mango [PDF]

open access: yesJournal of Horticulture and Postharvest Research
Purpose: Mango is a well-known fruit in tropical and sub-tropical countries, including Bangladesh. However, mangoes are climacteric fruits and exhibit limited storage life due to a high respiration rate. Mangoes are also susceptible to particular storage
Shirazoom Munira   +3 more
doaj   +1 more source

Evaluation of apricot fruit quality and correlations between physical and chemical attributes

open access: yesCzech Journal of Food Sciences, 2011
The fruit of apricot (Prunus armeniaca L., Rosaceae) has been used as food in FYR Macedonia since a long time ago. The chemical organic matters from the fruit is a kind material for food processing and has potential nutritional, medical and commercial ...
Evica Mratinić   +3 more
doaj   +1 more source

Fertilidade do solo, nutrição mineral e produtividade da bananeira irrigada por dez anos Soil fertility, plant mineral nutrition and productivity of irrigated banana for a ten-year period

open access: yesPesquisa Agropecuária Brasileira, 2008
O objetivo deste trabalho foi avaliar as alterações na fertilidade do solo, na nutrição mineral e na produtividade de bananeira irrigada por dez anos. O experimento foi conduzido em Latossolo Vermelho eutrófico, de 1997 a 2007, no Município de Janaúba ...
Luiz Arnaldo Fernandes   +4 more
doaj   +1 more source

Symptomatology attributable to psychological exposure to a chemical incident: a natural experiment [PDF]

open access: yesJournal of Epidemiology and Community Health, 2007
Background: Exposure to a complex emergency has a substantial psychological component, which is rarely assessed. This study compares the health impact of physically and psychologically mediated exposure to a complex emergency. Setting: The Sea Empress oil tanker spill.
John, Gallacher   +4 more
openaire   +2 more sources

Influence of fertilizer and hydrogel on physical-chemical attributes of substrate for seedling production

open access: yesBioscience Journal, 2019
The incorporation of the hydrogel into the substrate used in the forest nursery promotes improvements in its physical-chemical attributes. However, several factors influence the hydrogel efficiency, such as the increase of salts, promoted by fertilizer ...
Glauce Taís de Oliveira Sousa Azevedo   +4 more
doaj   +3 more sources

Residual Effects of Methods Used to Correct Soil Acidity on Soil Chemical Properties in an Agropastoral System

open access: yesAgronomy
Surface and subsurface acidity (pH < 4.4) limit nutrient availability, restrict root exploration, and impair crop yields in agricultural and agropastoral systems.
Wander L. B. Borges   +6 more
doaj   +1 more source

Atributos químicos e perfil de enraizamento de milho influenciados pela calagem em semeadura direta Chemical attributes and corn root system development as affected by liming in no-till

open access: yesRevista Brasileira de Ciência do Solo, 2006
No Rio Grande do Sul, a área sob semeadura direta já alcança 60 % da área total cultivada para produção de grãos de sequeiro. Todavia, ainda persistem dúvidas com relação não só a eficiência de práticas culturais como a adubação e a calagem, mas também ...
Gabriel Henrique Melo Nascimento Leite   +3 more
doaj   +1 more source

Soil’s Physical, Chemical, and Biological Responses to Different Post-Harvest Management of Pinus elliottii in Santa Catarina, Brazil

open access: yesLand
Post-harvest forest residue management and liming practices can significantly affect soil quality. This study evaluated the impacts of burnt pine harvest residues and lime application methods (surface-applied vs.
Ana Carolina de Mattos e Avila   +6 more
doaj   +1 more source

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