denis17 wrote:The 4 special season of the organic garden, my orchard in permaculture, gives the name of good nursery to consult in every major region, even for the mountain. I'll be watching tonight if any of you need an address.
Thank you very much, I went to buy it and even if for now I have only leafed through it seems very interesting to me.
So, to return to my project (see page 1 of this thread), I received today the proposal from my nurseryman. It lacks some details on the varieties in each family (we will discuss it again on the basis of this first proposal), but to my surprise:
- on the one hand, it increased the pitch between the trees, going from 5m (which was my basic sketch, I remind you that, with some exceptions, I only want low stems) to 6m, evoking the penetration of light and traffic for maintenance. Result of course it potentially sells fewer trees ....
- On the other hand she made me an unsolicited proposal for an option with planting a hedge, really inexpensive, attaching to me the following comment that she herself said to have copied:
[i] [i] [i] What are the trees and shrubs used for?
The flying auxiliaries necessary to control populations of pests such as lacewings, syrphids, parasitoids, or even predatory bugs need strictly or mixed nectar and pollen to be able to reproduce. In general, auxiliaries (carabines, staphylins, etc.) need plants as shelters. Trees can also serve as host plants for alternative prey. For example, lacewings rest during the day under the leaves of trees, feed on pollen and nectar from hedge flowers in spring as adults, and the larvae can feed on alternative prey such as hazel aphids. Plants are thus sources of food but also serve as sites for rest, wintering, etc. It is therefore essential to have a diversity of plants near the crops to obtain auxiliaries in diversity and in sufficient quantities to control pest populations. When trees and shrubs are planted in the form of hedges, they can also serve as an ecological corridor, that is to say a protective and feeder corridor, facilitating the movement of auxiliaries.
How to maintain them? It is best to prune in the fall at 1.2m / 1.5m, in September-October, when the birds no longer nest and the auxiliary insects are not yet all in the wintering sites. To reinforce the role of hedges, it is interesting to leave a selvedge, that is to say a grassy strip, spontaneous if possible, of 50 cm to 2m along the trees and shrubs. The hedge thus has three plant layers which strengthens the reservoir area, thus offering more flowering plants for adults, if however they are allowed to bloom (see sheet "spontaneous flora")
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There are still real pros who want your project to have the best chance of succeeding even if they potentially sell less, it's nice! And there it is a nursery established for about 50 years, I do not think they offer me exotic things that have no chance of giving something in my climate.
We will necessarily do business.
