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The effects of artificial shading on some growth characteristics of arabica and robusta coffee seedlings. I. The effects of shading on dry weight, leaf area and derived growth data.

Published online: 28 Oct 1968

Authors: Huxley, P. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

In experiments at Kabanyolo, Uganda, in which radiation incomes were measured and growth analysis was employed, seedlings of both robusta and arabica ...

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Environmental modifications resulting from the culture and grubbing of trees.

Published online: 28 Oct 1968

Authors: Holland, D. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

After a mature apple orchard had been removed by grubbing the trees various experimental treatments (different systems of manuring and ploughing at tw...

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An integrating photometer for outdoor use particularly in trees.

Published online: 28 Oct 1968

Authors: Jackson, J. E. & Slater, C. H. W.

Content type: Journal article

Journal title: Journal of Applied Ecology

Construction and performance details are given.

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Water use by Irrigated cotton in Sudan. 1. Reflection of short-wave radiation.

Published online: 15 Jul 1968

Authors: Rijks, D. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

As the crop developed and the sun's declination changed, mean values per day of the reflection coefficient increased from 0.15-0.23. After rain or irr...

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The ecology of Acacia albida on mantle soils in Zalingei, Jebel Marra, Sudan.

Published online: 15 Jul 1968

Authors: Radwanski, S. A. & Wickens, G. E.

Content type: Journal article

Journal title: Journal of Applied Ecology

In the basement complex country of the area, ranges of rocky hills are separated by a deeply weathered pedeplain dissected by seasonal watercourses. I...

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The effect of management and competition on the uptake of 32phosporus by ryegrass, meadow fescue and their natural hybrid.

Published online: 15 Jul 1968

Authors: O'brien, T. A. & Moorby, J. & Whittingham, W. J.

Content type: Journal article

Journal title: Journal of Applied Ecology

Single plants of ryegrass, meadow fescue and a triploid hybrid between them were grown in small plots alone or in competition under simulated grazing ...

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Nitrogen determination in nutrient cycling studies: an improved technique for handling multiple samples.

Published online: 15 Jul 1968

Authors: Etherington, J. R. & Morrey, B. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

One ml Kjeldahl digest containing 1-25µg N is pipetted into a specimen tube. A nylon fabric disc is placed in a depression inside the plastic cap and ...

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Studies of the water relations of Pinus sylvestris in plantation conditions. V. Responses to variation in soil water conditions.

Published online: 15 Jul 1968

Authors: Rutter, A. J.

Content type: Journal article

Journal title: Journal of Applied Ecology

On the Dry plot, rain was prevented from entering the soil; on the Irrigated plot, the soil was kept near field capacity by irrigation; the Normal plo...

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The distribution of slugs in a potato crop.

Published online: 15 Jul 1968

Authors: Stephenson, J. W.

Content type: Journal article

Journal title: Journal of Applied Ecology

A method of detecting slugs below ground, using recoverable potato baits in a medium heavy silt soil, is described. Arion hortensis and Milax buda-pes...

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A Darwinian approach to plant ecology.

Published online: 05 Mar 1968

Authors: Harper, J. L.

Content type: Journal article

Journal title: Journal of Applied Ecology

Darwin's ecological conceptions and their stimulus to modern experimental ecology are considered. Examples of weed population behaviour are included.-...

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