Thanks Vincent, One head per two trees does sound crazy, but it's very good to know that a monstrosity is not required. Is spraying the underside of leaves not an issue?
I'm curious about the spray pattern (360 degree?) and flow rate (at what pressure) of your sprinkler heads as well. Thanks for mentioning flushing, I am curious about that too, how do you fully flush the system including the 1/2 inch, 1/4 inch hoses and heads (with fresh water I presume) without rinsing off too much pesticide from the trees? Do you just have a time delay from pesticide application to flush? If so how much time between? Thanks, Rye Hefley Future Farmers Marketer So. Cal. --------------------------------------------- Re: [apple-crop] Field day in Québec on July 14th. Vincent Philion Thu, 16 Jun 2011 08:00:15 -0700 Hi! Questions: 1) how do you mix and deliver? For now, we use a large tank containing the fully diluted solution. We push it in the system at low pressure. Sprinkler heads only activate when we raise the pressure. (after filling the system). Flushing is done similarly. 2) how much of your system is developed from readily available parts and how much specialized items? Everything is available from irrigation experts. 3) I envisioned micro sprinklers for the frost protection, would that work for pesticides without clogging issues? We use micro sprinklers without issues. We haven't tested frost protection yet! 4) On a 5 wire trellis (1st wire 18 inches from the ground and the remaining wires separated by 22 inches) would you recommend installing the system on all wiresl? Or maybe just the top 4 wires? We have ONE head for every 2 trees. So only ONE line per row. I know, it sounds crazy. But coverage is good on upper surface of leaves. Vincent Philion, agr., M.Sc. Phytopathologiste Laboratoire de production fruitière intégrée Institut de recherche et de développement en agroenvironnement 335, Rang des vingt-cinq Est Case postale 24 Saint-Bruno-de-Montarville (Québec) J3V 4P8 Tél. bureau: 450 653-7368 poste 224 Tél. laboratoire: 450 653-7368 poste 229 Cellulaire: 514-623-8275 Télécopie: 450 653-1927 Verger du parc national du Mont-Saint-Bruno 330, Rang des vingt-cinq Est Case postale 24 Saint-Bruno-de-Montarville (Québec) J3V 4P8 Téléphone et télécopieur : 450 653-8375 Courriel: [email protected] Site Internet:www.irda.qc.ca Pour nous trouver: Laboratoire: http://maps.google.ca/maps/place?cid=9609486867104665866&q=irda+pfi&hl=fr&sll=45.557814,-73.360476&sspn=8.87586,1.961403&ie=UTF8&ll=45.557814,-73.360476&spn=0,0&z=16 Verger: http://maps.google.ca/maps/place?cid=11405391288824931904&q=verger+irda&hl=fr&sll=45.54961,-73.350585&sspn=0.012504,0.018389&ie=UTF8&ll=45.54961,-73.350585&spn=0,0&z=16 Un expert est une personne qui a fait toutes les erreurs qui peuvent être faites dans un domaine très étroit. Niels Bohr Avez-vous réellement besoin d'imprimer ce courriel? Si oui, imprimez-le recto-verso! AVIS DE CONFIDENTIALITÉ Ce message peut contenir de l'information de nature privilégiée et confidentielle. Si vous n'êtes pas le destinataire visé ou croyez l'avoir reçu par erreur, nous vous saurions gré d'en aviser l'émetteur. Si ce message vous a été transmis par erreur, veuillez le détruire sans en communiquer le contenu à d'autres personnes ou le reproduire. _______________________________________________ apple-crop mailing list [email protected] http://virtualorchard.net/mailman/listinfo/apple-crop
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