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Water use by irrigated cotton in Sudan. 2. Net radiation and soil heat flux.

Published online: 03 Jan 1969

Authors: Rijks, D. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

Radiation balance was measured from Oct.-Dec. 1965 in an irrigated cotton crop grown on ridges. During this time crop cover increased from about 10% t...

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Growth and yield of pure and mixed crops of oats and barley.

Published online: 03 Jan 1969

Authors: Syme, J. R. & Bremner, P. M.

Content type: Journal article

Journal title: Journal of Applied Ecology

Mixtures of equal numbers of plants of different barley varieties or of a barley variety and an oat variety were grown in 5 field trials and 1 glassho...

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Photosynthesis in crop profiles, measured by phytometers.

Published online: 03 Jan 1969

Authors: Leach, G. J. & Watson, D. J.

Content type: Journal article

Journal title: Journal of Applied Ecology

Using sugar-beet seedlings as phytometers, NAR, LAI and light intensity were measured at various levels in field-grown spring barley, winter wheat, sp...

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The interception and absorption of radiation in plant stands.

Published online: 03 Jan 1969

Authors: Cowan, I. R.

Content type: Journal article

Journal title: Journal of Applied Ecology

Expressions are presented for the penetration of direct and diffuse radiation into stands having (a) horizontal leaves, (b) randomly oriented leaves, ...

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Physiological analysis of the effects of different soils on sugar beet crops in different years.

Published online: 03 Jan 1969

Authors: Goodman, P. J.

Content type: Journal article

Journal title: Journal of Applied Ecology

Sugar-beet was grown at 7 locations with different soil types in the E. of England and received 2 levels of N during 1960-2. Differences in yield betw...

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Root growth of a barley crop estimated by sampling with portable powered soil-coring equipment.

Published online: 03 Jan 1969

Authors: Welbank, P. J. & Williams, E. D.

Content type: Journal article

Journal title: Journal of Applied Ecology

The shoots and roots of a barley crop were sampled periodically from 46 days after sowing up to the ripe stage (130 days after sowing). Root weights w...

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The effect of cultivation on the vertical distribution of seeds in the soil.

Published online: 03 Jan 1969

Authors: Soriano, A. & Zeiger, E. & Servy, E. & Suero, A.

Content type: Journal article

Journal title: Journal of Applied Ecology

In a study on the distribution of weed seeds in soil, seeds of lucerne and oilseed flax, which differ markedly in size, shape and seed-coat properties...

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Photosynthetic and respiratory exchanges of carbon dioxide by leaves of the grain amaranth.

Published online: 03 Jan 1969

Authors: El-sharkawy, M. A. & Loomis, R. S. & Williams, W. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

The maximum rate of apparent photosynthesis in recently expanded leaves of unshaded Amaranthus edulis plants at 310 ppm. CO2 and 7500 f.c. was 55 ± 5 ...

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Expansion of leaf area per plant in field bean (Vicia faba L.) as related to daily maximum temperature.

Published online: 03 Jan 1969

Authors: Bull, T. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

Relative rate of increase of leaf area per plant was measured in field beans during May-Aug. 1966. In the early stages of growth, until LAI reached ab...

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The relation between the date of heading of Nigerian sorghums and the duration of the growing season.

Published online: 03 Jan 1969

Authors: Curtis, D. L.

Content type: Journal article

Journal title: Journal of Applied Ecology

Indigenous sorghum varieties in N. Nigeria yielded best in their own localities. All local varieties of a locality tended to flower at the same time e...

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