VASCM: ISO Experience with EZ-FLO for fertigation

[prudy foxx]

Hi Lucy

The Mazzei injectors work well if the pressure differentiation is between inflow and outflow is correctly set.  I think that is what Jonathon is referring to.  We have used them quite a bit but they take a lot of babysitting.

A tip of the hat to Jonathon, he is a great resource for this kind of thing.

Cheers
Prudy

> On Apr 9, 2025, at 10:55 AM, Jonathan Goodling <jonathan at HouseFamilyVineyards.com> wrote:
> 
> Hi Lucy,
> The EZ-FLO injectors are designed for ver small quantities of fertilizer for small vineyards; they are really meant for gardens and lawns. Nevertheless we actually have one for a tiny ornamental vineyard that has maybe 30 plants. 
> 
> For all other applications we use metered injector pumps that are powered by the water flow of the irrigation system. These pumps used to be fairly expensive and if you buy the fancy brand (Dosatron) you’re looking at a couple hundred dollars but I found the off brand versions from Amazon and other places work very well. They may not meter the fertilizer as exactly as the expensive ones, but I pre measure the amount of fertilizer anyway and let it run until it’s all gone. 
> Only downside with these systems is that you need liquid fertilizer or dissolve the fertilizer you have. 
> Side note: I also tried the Venturi injectors; they are dirt cheap and work ok-ish if the flow rate of the irrigation system is just right, but I found them too much of a hassle and too unreliable. 
> 
> Best regards,
> 
> Jonathan M Goodling M.S.
> 
> Vineyard Manager
> 
> 650 304 6978
> 
>  
> 
>       
> 
>  
> 
>                 800.975.7191
> 
> www.HouseFamilyVineyards.com <http://www.housefamilywinery.com/>
> 
> 
> On Wed, Apr 9, 2025 at 10:33 Lucy Neely <lucy at neelywine.com <mailto:lucy at neelywine.com>> wrote:
>> Does anyone have any experience with EZ-FLO injectors for fertigation in a vineyard? Or have you heard of EZ-FLO injectors being used in a vineyard?
>> 
>> EZ-FLO seems like a good option but we haven't found any resources that speak to application in a vineyard.
>> 
>> Thanks for any info!
>> 
>> -- 
>> Lucy Neely
>> Estate Manager
>> Neely Wine | Spring Ridge Estate
>> neelywine.com/visit <http://neelywine.com/visit>
>> cell: (650) 206-3038
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