By G. Schroth (auth.), Daniel Auclair, Christian Dupraz (eds.)
This quantity includes a range of unique contributions provided at a workshop held in Montpellier, France, in June 1997. the 2 major targets of the workshop have been, first of all, to assemble what's understood concerning the methods underlying agroforestry perform, and, secondly, to supply a discussion board to discover suitable types and modelling methods. The workshop was once additionally capable of play a job in interpreting the agroforestry platforms encountered in temperate and Mediterranean parts, together with either conventional and extra leading edge agroforestry practices. the most points mentioned have been: ecological interactions among elements, environmental effect, economics and coverage modelling.
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Additional resources for Agroforestry for Sustainable Land-Use Fundamental Research and Modelling with Emphasis on Temperate and Mediterranean Applications: Selected papers from a workshop held in Montpellier, France, 23–29 June 1997
These are not principally different from interactions in spatial associations, but may become more evident when the interacting species are separated in time. As in spatial agroforestry, these interactions need to be predicted and optimised through appropriate species selection and management. The majority of management measures in agroforestry systems probably have some influence on the form and functioning of the root systems of the plant species present, and consequently on their interactions.
But tree-shelters have other management impacts: they allow easy mechanical control of the weed regrowth close to the tree, help monitor diseases through visual separation of the tree and its environment, permit the use of contact weedicides without danger for the tree, speed up the opening of buds in the spring, motivate the owner, who is impressed by tree emergence out of the shelter, etc. A few unexpected elements have more recently been observed: birds use the shelters as roost, and fertilise generously the young trees, sheep weed the trees while feasting on fresh weeds in the weeded area around the shelter, and incidentally bring more manure to the trees.
Prunus avium height ratio of agroforestry to forestry (left) and diameter ratio (right) in two experiments at Pomy (extensively managed forest plot) and Notre-Dame de Londres (NDL, intensively managed forest plot) in Southern France. 05). one hand the biophysical forestry control is both time consuming and expensive, and should be applied for a long period (up to 20 or 30 years); it does not make sense in most farming systems. This was unfortunately made clear when such an on-farm biophysical control plot was unintentionally killed by a weedicide application by the farmer in one of our experiments: keeping the plot free of weeds is impracticable in most real farming situations.
Agroforestry for Sustainable Land-Use Fundamental Research and Modelling with Emphasis on Temperate and Mediterranean Applications: Selected papers from a workshop held in Montpellier, France, 23–29 June 1997 by G. Schroth (auth.), Daniel Auclair, Christian Dupraz (eds.)