Results 11 to 20 of about 92,318 (288)
Planta Daninha, 2011 O objetivo deste estudo foi avaliar a atividade residual de herbicidas utilizados no manejo de plantas daninhas em pré-emergência da cultura da soja, bem como verificar seus efeitos sobre o milheto cultivado em sucessão.
H.A. Dan +7 more
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Persistência do Fomesafen em argissolo vermelho-amarelo em dois sistemas de cultivo [PDF]
Planta Daninha, 2014 Alguns herbicidas têm persistência longa no solo, o que pode levar à intoxicação de culturas sucessoras (carryover), plantadas em rotação. Objetivou-se com este trabalho avaliar a persistência do herbicida fomesafen em Argissolo Vermelho-Amarelo ...
G.R. Silva +4 more
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Design issues in crossover trials involving patients with Parkinson’s disease
Frontiers in Neurology, 2023 Background and objectivesCrossover designs are frequently used to assess treatments for patients with Parkinson’s disease. Typically, two-period two-treatment trials include a washout period between the 2 periods and assume that the washout period is ...
David Sparrow +8 more
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Rice Science, 2015 Rice leaffolder, Cnaphalocrocis medinalis, is one of the major foliage feeders found in the rice growing regions in India. When the crop was at maturity, numerous adults of rice leaffolder were found in the rice fields though the larval population ...
Padmavathi Chintalapati +3 more
doaj +1 more source
Planta Daninha, 2008 Uma das primeiras etapas quando se inicia um programa de fitorremediação de herbicidas é a avaliação da tolerância das espécies vegetais selecionadas ao respectivo contaminante.
M.L. Carmo +10 more
doaj +1 more source
Effects of different vitamin A supplies on performance and the risk of ketosis in transition cows
Journal of Dairy Science, 2023 : This experiment investigated the effects of feeding low and high supplies of vitamin A (VA) during the transition period on plasma metabolites, prevalence of ketosis, and early milk production.
M. Rodriguez +4 more
doaj +1 more source
Sorption and desorption of ametryn in different types of soils
Bioscience Journal, 2019 Knowledge of factors related to the dynamics of herbicides in the environment is of fundamental importance to predicting the behavior of herbicides in soils with different attributes, to select appropriate dosages, as well as to avoid harmful effects on ...
Alanna Oliveira Cortez +7 more
doaj +1 more source
On controlled linear diffusions with delay in a model of optimal advertising under uncertainty with memory effects [PDF]
, 2008 We consider a class of dynamic advertising problems under uncertainty in the presence of carryover and distributed forgetting effects, generalizing a classical model of Nerlove and Arrow.
Gozzi, Fausto +2 more
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Direct and carryover effect of post-grazing sward height on total lactation dairy cow performance
Animal, 2013 Grazing pastures to low post-grazing sward heights (PGSH) is a strategy to maximise the quantity of grazed grass in the diet of dairy cows within temperate grass-based systems.
E. Ganche +4 more
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Counterbalancing for serial order carryover effects in experimental condition orders [PDF]
, 2012 Reactions of neural, psychological, and social systems are rarely, if ever, independent of previous inputs and states. The potential for serial order carryover effects from one condition to the next in a sequence of experimental trials makes ...
Brooks, Joseph L
core +3 more sources