How do you apply liquid fertilize to a large garden?

surfer3406

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Hello,

I was not able to find this specific answer through searching, so apologies if it’s been answered.

As my collection grows, it no longer seems feasible to use a watering can for liquid fertilizer. My thought was a hose end sprayer but I’ve only found two readily available. One is from miracle grow and the other from ortho.

Both say they allow adjustment of the fertilizer strength but I find that dubious. For those of you with a large garden, how do you apply liquid fertilizer in correct amounts?

Best,
Barry
 
Hello,

I was not able to find this specific answer through searching, so apologies if it’s been answered.

As my collection grows, it no longer seems feasible to use a watering can for liquid fertilizer. My thought was a hose end sprayer but I’ve only found two readily available. One is from miracle grow and the other from ortho.

Both say they allow adjustment of the fertilizer strength but I find that dubious. For those of you with a large garden, how do you apply liquid fertilizer in correct amounts?

Best,
Barry

I dont fertilize at every watering.
Once a month, Ill mix the liquid fertilizer with water in a 5 gallon bucket and hand water all the trees.
Mix more as I need to. I usually make up about 3-4 buckets to get all the trees
 
How large is large? At a time I had over 60 trees and fertilized with liquid fertilizer once a week by hand. Lots of 5-gallon water bottles
 
I intend to use a fertilizer injector next year but up until now I've been primarily using a haws watering can. I tried using my 2 gal electric sprayer but when I try to use organic fert it clogs up the spay heads.
 
I use a 55 gallon plastic drum and a sump pump connected to a hose with a water breaker...
 
I use a 5L pressure sprayer. I water my trees normally first so the soil is wet, then 30-60 minutes later I apply the liquid fert to the soil in each pot with the sprayer. A single 5L mix (mixed at the recommended dilution) covers all 50 of my trees that are in pots.

This is the Gardena sprayer I use. After using the cheap sprayers for a few seasons I’ve found it’s better to spend a bit more for a better quality sprayer. It makes almost zero noise when pumping and doesn’t leak like the cheapies.

IMG_1477.jpeg
 
I have been using this product lately. It works well and is quick and easy, but a bit expensive. The mixture in the bottle I am using is
N = 12, Phosphate = 9, potash = 6, Mn = .05, zinc = .05. I wish they had a solution that was a bit heavier on the nitrogen etc. Maybe next year. I have added some dye in the solution so I know that the product is coming out verses maybe something plugged up and nothing getting mixed. The head is adjustable and can be set for a spray that is gentle enough that it won't blow out soils.

 
You can attach a sprayer with a canister to your hose that mixes about 2% or so of the canister content with the flow from the tap.
Since these are pretty cheap, you probably do want to check the EC to see if the concentration you are spraying with is what you expect it to be.
 
I just got two Jonflyer water powered liquid dosing pumps on Amazon. They work great and are much less expensive than dositrons.

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I use an Ezflo fertilizer injector in my watering. Drip Depot has a sale until 10/31. It's less effective than a dosatron in dosage, but it works for my garden. I use a quick connector and can remove and easily refill the fertilizer.
 
I use a 5L pressure sprayer. I water my trees normally first so the soil is wet, then 30-60 minutes later I apply the liquid fert to the soil in each pot with the sprayer. A single 5L mix (mixed at the recommended dilution) covers all 50 of my trees that are in pots.

This is the Gardena sprayer I use. After using the cheap sprayers for a few seasons I’ve found it’s better to spend a bit more for a better quality sprayer. It makes almost zero noise when pumping and doesn’t leak like the cheapies.

View attachment 572735
"I water my trees normally first so the soil is wet". I have heard this before but have never understood why this is necessary. Pls advise.
 
I used to have one of those cart wheelbarrows and had a line inside where I filled it up to and dosed ferts or chemicals. I used small watering cans, and after doing area 1 drag the cart to area 2, etc. Eventually it broke a wheel, but I do miss that cart!
If I ever upgrade from 5 gallon buckets and watering cans, it will just be to more 5 gallon bucket stations and a mini sump pump that I move.
 
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