Light can penetrate the top layers of soil (Mandoli et al., 1990) and it has been proposed to have a role in directing root growth especially in dry soils (Galen et al., 2007) through the blue light receptor phot1.
The PDF logical structure is organized as a directed rooted cyclic graph.
To transform it into a structural multimap, it is first necessary to reduce the graph to a directed rooted tree instead.
Notice that the document structure is, strictly speaking, not a tree but rather a directed rooted cyclic graph, as indirect references may point to other objects anywhere in the document structure.
Wigmore concludes that 'the principle of parties' disqualification would have been the direct root of the disqualification by interest in general.' 2 Wigmore, p. 680.
The first signals sensed by newly germinating seeds — gravity and light — direct root growth into the soil to aid seedling establishment.
In rice, direct root uptake, remobilizations from vegetative tissues or combination of both of these two approaches are the main source of Zn in grains (Impa et al. 2013a).
Deep-watering pipes also were installed to help direct root growth.
It has been shown in a hydroponic system that S. enterica can contaminate entire tomato plants following direct root inoculations [5].
