Search Results - "BENJAMIN, L.R"

Weed Manager—A model-based decision support system for weed management in arable crops by Parsons, D.J., Benjamin, L.R., Clarke, J., Ginsburg, D., Mayes, A., Milne, A.E., Wilkinson, D.J.

“…Weed Manager is a model-based decision support system to assist arable farmers and advisers in weed control decisions on two time scales: within a single…”
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Using stochastic dynamic programming to support weed management decisions over a rotation by BENJAMIN, L.R, MILNE, A.E, PARSONS, D.J, CUSSANS, J, LUTMAN, P.J.W

“…This study describes a model that predicts the impact of weed management on the population dynamics of arable weeds over a rotation and presents the economic…”
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Conductance model of plant growth and competition in monoculture and species mixtures: a review by BENJAMIN, L.R, PARK, S.E

“…Over the past two decades, an ecophysiological model has been developed for annual horticultural crops and weeds, which has the powerful ability to predict the…”
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An evaluation of four crop : weed competition models using a common data set by Deen, W, Cousens, R, Warringa, J, Bastiaans, L, Carberry, P, Rebel, K, Riha, S, Murphy, C, Benjamin, L R, Cloughley, C, Cussans, J, Forcella, F, Hunt, T., Jamieson, P, Lindquist, J, Wang, E

“…Summary To date, several crop : weed competition models have been developed. Developers of the various models were invited to compare model performance using a…”
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Using a competition model to quantify the optimal trade-off between machine vision capability and weed removal effectiveness by Grundy, A.C, Onyango, C.M, Phelps, K, Reader, R.J, Marchant, J.A, Benjamin, L.R, Mead, A

“…Summary The algorithm of an optical detection system was first investigated for its ability to correctly classify transplanted crops and weeds during the…”
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A comparison of different rules of partitioning of crop growth between individual plants by Benjamin, L.R.

“…Three contrasting rules to quantify the partitioning of crop dry matter between individual plants were incorporated into an overlapping zone of influence…”
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Nucleosomes are not necessary for promoter-proximal pausing in vitro on the Drosophila hsp70 promoter by Benjamin, L.R, Gilmour, D.S

“…RNA polymerase II has been found to pause stably on several metazoan genes in a promoter-proximal region located 20–40 nt downstream from the start site of…”
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Effects on the growth of carrots (Daucus carota L.), cabbage (Brassica oleracea var. capitata L.) and onion (Allium cepa L.) of restricting the ability of the plants to intercept resources by Peach, L., Benjamin, L.R., Mead, A.

“…The objective of this paper is to assess the size and penetration of edge effects in carrot, cabbage and onion field crops and the extent to which these edge…”
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Predicting the Growth Interactions between Plants in Mixed Species Stands using a Simple Mechanistic Model by Park, S.E., Benjamin, L.R., Aikman, D.P., Watkinson, A.R.

“…The Conductance model is a simple mechanistic model used to predict the growth of species in monoculture or mixtures from parameter values derived from plants…”
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Predicting Growth in Stands of Mixed Species from that in Individual Species by Benjamin, L.R., Aikman, D.P.

“…The growth of spring cabbage (Brassica oleracea var. capitata L.) and carrot (Daucus carota L.) in mixed species stands is compared with growth curves…”
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A Model for Plant and Crop Growth, Allowing for Competition for Light by the use of Potential and Restricted Projected Crown Zone Areas by Aikman, D.P., Benjamin, L.R.

“…Relations for competition for light are developed and used in a plant growth model applicable to the isolated plant, to plants in even-aged monoculture and to…”
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Sources of variation and measures of variability in even-aged stands of plants by Benjamin, L.R, Hardwick, R.C

“…A critical assessment is presented of the literature on variability in even-aged stands of plants. The variance of weight per plant accumulates during two…”
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Experimental discrimination between contrasting models of neighbourhood competition by Benjamin, L.R

“…Previously published competition models have been categorized into four types, based on the territorial extent over which individual plants are assumed to draw…”
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single equation to quantify the hierarchy in plant size induced by competition within monocultures by Benjamin, L.R

“…The following empirical model: Ra(i) = r(1+ln(w(i)/wm)Kn)(1−(w(i)/W))(1−(y/Y)) which is based on the logistic growth equation, is developed to describe the…”
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influence of the arrangement of neighbours on the spatial component of resource capture by an individual plant in even-aged monocultures by Sutherland, R.A, Benjamin, L.R

“…Data from experiments using extensive row-spacing treatments (Benjamin and Sutherland, 1992) were analysed to indicate that morphological responses to…”
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A therapy group for mothers with dissociative disorders by Benjamin, L R, Benjamin, R

“…This paper describes the evolution of a therapy group for mothers with dissociative disorders. Although the group is for survivors of childhood trauma, its…”
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influence of foliage habit on competition between carrot plants by Benjamin, L.R

“…Carrot plants of a cultivated variety (cv. Chantenay Red Cored) and those of a wild type were grown in both pure and mixed populations in which root…”
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Effects of a range of O2 concentrations on porosity of barley roots and on their sugar and protein concentrations by Benjamin, L.R, Greenway, H

“…Barley was grown at a range of oxygen concentrations (0.5–9 mg l−1), in nutrient solutions. Growth of both shoots and seminal roots was restricted by O2…”
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new model relating crop yield and plant arrangement by Sutherland, R.A, Benjamin, L.R

“…A new model is proposed which relates the weight of plants to their spatial arrangement. The weight of each plant is calculated as the integral of the function…”
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Root development and source-sink relations in carrot, Daucus carota L. II. Effects of root pruning on carbon assimilation and the partitioning of assimilates by Benjamin, L.R, Wren, M.J

“…Physiological responses to root pruning were investigated by comparing 14CO2 fixation rates, the partitioning of 14C-labelled assimilate, and soluble and…”
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