This is a preview. Log in through your library . Abstract Age changes of foliage resource quality (water, nitrogen, fibre, phenolics and toughness) were studied in five species of conifer (Pinus ...

Most of the year, the needles of Pinus contorta var. latifolia 'Chief Joseph' Lodgepole pines are colored light green, but in the winter they turn to a spectacular, shocking gold. They will shed some ...

Many homeowners plant beautiful and fast-growing conifers to add privacy to their yards. Assuming they're evergreen, they believe the privacy screen would hold its green hue year-round. So, when they ...

When is an evergreen not an evergreen? Every year, as a normal part of a conifer’s growth cycle, evergreens will experience a certain amount of needle drop. The extent and speed at which needles fall ...

Plants give us oxygen through photosynthesis – this is commonly taught in school. An international research team have now shown that particularly in early spring when low temperatures coincide with ...