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pinus sylvestris/fecundació
L'enllaç es desa al porta-retalls
6 resultats
Effect of fertilisation on the potassium and radiocaesium distribution in tree stands (Pinus sylvestris L.) and peat on a pine mire.
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This paper compares the effects of single and repeated fertilisation on the contents of potassium, 134Cs and 137Cs in different Scots pine compartments at different levels above ground and in the peat profile 9 years after the Chernobyl disaster. The material was collected from a ditch spacing and
Impregnation of Scots pine and beech with tannin solutions: effect of viscosity and wood anatomy in wood infiltration.
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The impregnation process of Scots pine and beech samples with tannin solutions was investigated. The two materials involved in the process (impregnation solution and wood samples) are studied in depth. Viscosity of mimosa tannin solutions and the anatomical aspect of beech and Scots pine were
Evidence from nitrogen fertilisation in the forests of Germany.
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In the first part, this contribution presents German results of nitrogen fertilisation experiments on stand growth, published 1958-1987. Over this period Norway spruce and Scots pine have generally responded positively to nitrogen fertilisation, without showing signs of damage, at levels up to at
Antifungal stilbene impregnation: transport and distribution on the micron-level.
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The transition from the living water-transporting sapwood to heartwood involves in many tree species impregnation with extractives. These differ in amount and composition, and enhance resistance against bacteria, insects or fungi. To understand the synthesis, transport and impregnation processes new
Detoxification and amelioration of heavy-metal contaminated forest soils by means of liming and fertilisation.
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Four experiments were established in 1992 in Scots pine stands (Pinus sylvestris L.) on relatively infertile sites at distances of 0.5, 2, 4 and 8 km to the south-east of the Cu-Ni smelter at Harjavalta, south-west Finland, in order to investigate the effects of liming, correction fertiliser and
Estimating canopy gross primary production by combining phloem stable isotopes with canopy and mesophyll conductances
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Gross primary production (GPP) is a key component of the forest carbon cycle. However, our knowledge of GPP at the stand scale remains uncertain because estimates derived from eddy covariance (EC) rely on semi-empirical modeling and the assumptions of the EC technique are sometimes not fully met. We
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