Comments on The Almond Doctor: Fertilizing one-year old trees - be careful!

Nick: Sorry to hear about the problem. Quick rundo...

2011-07-18T11:19:01.445-07:00

Nick: Sorry to hear about the problem. Quick rundown of your application - each gallon of UN-32 contains 3.4 pounds of nitrogen, or roughly 55 ounces. Multiply this by 3, 165 ounces applied per acre. This rate is too high for first leaf orchards, especially during times of high evapo-transpiration rates (Remember, no more than 1 ounce of actual nitrogen per tree!). My guess is that you are

Hello, I think i might be experiencing an excess ...

2011-07-18T10:28:21.538-07:00

Hello, I think i might be experiencing an excess nitrogen problem in my first leaf almond orchard. The symptoms are defoliation starting at the trunk working out towards the tips of the scaffolds. I was appling 1.5 gallons of can-17 per acre per irrigation (which doesn't seen all that high) but through a one gallon per hour dripper located at each tree. I pulled petial tissue samples and

UN-32 or UAN-32 is an abbreviation for the fertili...

2011-04-15T08:14:28.679-07:00

UN-32 or UAN-32 is an abbreviation for the fertilizer urea ammonium nitrate that contains 32% nitrogen. There are other blends that contain less nitrogen.

It is not considered a slow release unless it is specified as slow release. Slow release urea fertilizers will be granular (pellets) as they typically are composed of water insoluble urea and some type of polymer casing/shell. This

I thought UN-32 is a slow-release fertilizer or is...

2011-04-15T07:59:39.373-07:00

I thought UN-32 is a slow-release fertilizer or is it not?