Flower N Timing 2023 SOP

Project Overview

To Do: Review [check list]( )

Project Objectives - To determine EO hemp (Cannabis sativa) response to applied nitrogen.
Project Description - Essential oil N Study
Project Protocol - 2 varieties x 4 reps. Field size: Plot size: L 25' x W 12'. (300 sqft). Field Design - RCB with 4 reps. Blocked by replication. Field Diagrams - Maps can be found on TEAMS. Projected Start Date- Late November, Early December. Projected End Date- Late March. Project Manager(s)- All Lab. Projected Planting Date- 11/ .
Crop(s)- Hemp: Essential oil - cv. Wife (CBD).
Irrigation - Layflat to Drip tape.
Applications -
Planting methods - (Wife) - 3' Mounds, planted in center 1.25'. Transplanted by hand.
Data Collection & Sampling -
Project Maintenance - All Lab.
Equipment needed - Moldboard plow, Harrow disk, raised bed shaper, roto-tiller, herbicide wagon, others - TBD.
Field crew assistance - Yes. For irrigation and land preparation.

Land Request

Preferred block- Block 10.
Section-
Area/Acres requested-
Greenhouse - Yes.

To Do: Update [check list]( ) -[] Complete TREC Land Request -[] Complete TREC Greenhouse Request -[] Request faculty sponsor to complete UFarm request.

Land Preparation

Cultivation (mowing, moldboard plow, disc and level the field, form raised beds, drilling holes, etc.) -
Row Length - 25 ft.
In-Row Spacing - 8.5 inches for direct seed. 6 plants for transplants.
Between-Row Spacing - 6 ft.
Field Buffers - 30 ft.
Seeding? (Direct, Broadcast, Incorporated, Drill, Earthway, etc.) - NA.
Transplants? - Yes plugs of cv. Wife.
Support Structure (Rebar, String, etc.) - Yes, bamboo for transplants.
Plastic Mulch? - Yes, Biodegradeable.
Full image of field layout, design, and plot arrangement - Maps and layouts can be found on TEAMS.
Date to complete land preparation - 5/4-5.

To Do: Update [check list]( ) -[] Complete TREC field preparation request -[] Plastic Culture

Irrigation

Drip Tape? (drip placement, emitter spacing, flow-rate GPM/100 ft., etc.) - Drip tape. Two lines per bed.
Solid set? (overhead irrigation, microsprinkler) - NA.
Irrigation Timing (frequency and trigger) - As needed*
- [Once per week for first 2-3 weeks to germinate and establish**].
Irrigation Amount (per application) - 1 inch.

To Do: Update [check list]( ) -[] Complete TREC fieldwork request for irrigation.

Fertilizer Application

Label Name -
Analysis rates (NPK, etc.) -
Application rate per acre:
Application method (banded on top of the bed, soil incorporation, etc.) -
Application timing and frequency - TBD.
Lab or field personnel - All Lab.

To Do: Update [check list]( ) -[] Fertilizer request form

Herbicide Application

Label Name - Dual Magnum.
Active ingredient(s) and concentration - S-metolachlor, benoxacor.
Resistance Management: Group 15 Herbicide.
Restricted Entry Interval (REI): 24 hours.
Application rate per acre - 1 pint.
Application method (pre-plant broadcast incorporated, shank or drip applied, etc.) - pre-planting, sprayer.
Application timing and frequency - Once at pre-planting.
Lab or field personnel - Daniel, Ajit, Jacob.

To Do: Update [check list]( ) -[] Worker Protection Standard Training -[] Review "Training Workers and Handlers under the 2016 Revision Requirements" by Frederick M. Fishel. -[] Found in the TREC network Unit drive > TREC Pesticide Use information > WPS information -[] Pesticide/Herbicide request form

Project Maintenance Events

Research treatment application -
Weeding - PRE: Dual Magnum.** POST: cultivation or hooded applications.
Scouting - Weekly.
Sampling - THC content.
Harvesting and Sampling -
Project removal - March.

To Do: Update [check list]( ) -[] Equipment Request -[] Complete TREC fieldwork request well ahead of maintenance events.

Data Collection & Sampling

Database - TEAMS, GitHub.
Data type:
Data storage -
Metadata -
Data collection -
Protocols -
Timing -
Logistics -
Sample processing and analysis -

Contingencies

What important decisions are next to be made or remain a challenge?

Predicting weather patterns.
Making progress despite weather delays/ shifting efforts.

What could possibly go wrong?

Weather delays.
Changes to experiment, field design/ layout.
Equipment issues/ calibration delays.

TREC-Agroecology / hemp