August 2023 - 16

ORGANIC GROWER: IFTA TOUR
he said. " We're recognizing the balancing act there by
spraying our borders with stuff like Entrust, PyGanic -
heavy hitters - to deter that, both in the orchard and in
the blocks bordering that. "
Part of the auditing process for organic is " figuring out
what your buffer zone is OK. "
Every auditor employs a different approach to organic.
I guarantee it. You have to look at your models. Look at
everything and if you have a gut feeling that you need to
spray, you're going to have to get out there. "
Strong predator populations can address many things,
Rasch said.
" You can keep them in check. Plum curculio being an
exception to that, " he said. " There's really not a great
predator for plum curculios. There are a lot of interesting
ways to try to manage that, but no great method. Keeping
it out of your orchard is the best method. "
Rasch conducts border sprays on all organic blocks.
" Our blocks are primarily a more deterrent-based
program. On our borders, we'll use a knockdown (spray), "
The rule in organic is there is a certain distance that
they require. Auditors are also human and realize it's not
going to be perfect. In blocks where organic rows butt
up against conventional blocks, a grower must usually
sacrifice two rows that are raised organic but have to be
considered conventional blocks, Rasch said.
The smaller blocks surrounded by fields are more
susceptible to pest pressures, " whether you're talking
codling moths or probably even some unknown things
they're still discovering, " Rasch said.
It takes a good two or three years in large blocks,
maybe a 20- to 30-acre block, for beneficial predators
to be established, depending on what a grower is doing
in their orchard system, particularly if a grower hosts
a habitat for them in the orchard system. Once the
predators are established, they tend to remain, he said.
Rasch relies on many lady beetles.
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16 | SUMMER 2023 ORGANIC GROWER

http://www.arbico-organics.com

August 2023

Table of Contents for the Digital Edition of August 2023

Editor's Letter
Grower Profile: Keeping it clean
Biocontrols: Salinas Biological Summit
Organic Grower
Ag Tech: Drone assignment
Grapes: A piercing problem
Great Lakes EXPO News: Connecting growers through the digital market space
Plant & Soil Health: A strawberry threat
Farm Market & Agritourism: The first step is knowing who your customers are
CMI
Ag Labor Review
Classifieds
Advertiser Index
August 2023 - 1
August 2023 - 2
August 2023 - 3
August 2023 - Editor's Letter
August 2023 - 5
August 2023 - Grower Profile: Keeping it clean
August 2023 - 7
August 2023 - 8
August 2023 - 9
August 2023 - Biocontrols: Salinas Biological Summit
August 2023 - 11
August 2023 - 12
August 2023 - Organic Grower
August 2023 - 14
August 2023 - 15
August 2023 - 16
August 2023 - 17
August 2023 - 18
August 2023 - 19
August 2023 - 20
August 2023 - 21
August 2023 - 22
August 2023 - 23
August 2023 - 24
August 2023 - Ag Tech: Drone assignment
August 2023 - 26
August 2023 - 27
August 2023 - Grapes: A piercing problem
August 2023 - 29
August 2023 - Great Lakes EXPO News: Connecting growers through the digital market space
August 2023 - 31
August 2023 - Plant & Soil Health: A strawberry threat
August 2023 - 33
August 2023 - Farm Market & Agritourism: The first step is knowing who your customers are
August 2023 - 35
August 2023 - CMI
August 2023 - 37
August 2023 - Ag Labor Review
August 2023 - 39
August 2023 - Classifieds
August 2023 - 41
August 2023 - Advertiser Index
August 2023 - 43
August 2023 - 44
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