Root Distribution following 9 Years of Root-pruning `Me1rose'/M.26 Apple Trees

Root Distribution of Trees in Relation to Soil Profile

Verified Root-Balanced Trees

Andersson introduced general balanced trees, search trees based on the design principle of partial rebuilding: perform update operations naively until the tree becomes too unbalanced, at which point a whole subtree is rebalanced. We define and analyze a functional version of general balanced trees which we call root-balanced trees. Using a lightweight model of execution time, amortized logarith...

Competition-based Model of Pruning: Applications to Apple Trees

Pruning is widely used in horticulture to control tree shape and balance between vegetative and reproductive growth. Several pruning models have been developed. They are based upon competition mechanisms and transport network to distribute resources to different sinks using either a source-sink allocation function (Borchert and Honda, 1984; de Reffye et al., 1999; Balandier et al., 2000) or an ...

Root Efficiency and Mineral Nutrition in Apple

Among deciduous fruit crops, maximum sustained yields under ideal conditions reportedly range from 22 MT/ha in sweet cherry to 112 MT/ha in apple: about a 5-fold difference. Root length densities under fruit trees, however, range from about 0.2 km/m in apple to about 12 km/m in kiwifruit: a 60-fold difference. What causes these differences among the root systems of different fruit crops? Patter...

horizontal root fracture

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