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A hundred years after Turesson first clearly described how locally adaptive variation is distributed within species, plant biologists are making major breakthroughs in our understanding of mechanisms ...
A majestic ponderosa pine, standing tall in what is widely thought to have been the "center of the world" for the ancestral Puebloan people, may have more mundane origins than previously believed, acc...
Atmospheric nitrogen (N) and acid deposition have become global environmental issues and are likely to alter soil respiration (Rs); the largest CO2 source is from soil to the atmosphere. However, to d...
Studies were carried out in southern Poland during 2002–2006 in Scots pine stands under the effect of an outbreak of pine shoot beetles. The qualitative aspects of beetle feeding in tree crowns, studi...
The 1996-2003 field trial on Kwidzyń Lowland heavy alluvial soil (complex of agricultural suitability 8 and class 3b, according to the Polish Soil Sciences Society) aimed at defining the productivity ...
Rome, 5 March 2007 - With help from FAO, farmers in six sub-Saharan countries have been able to increase their income from the sale of gums and resins and to restore degraded land.

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