Vegetable farm, Larimer County
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- Vegetable farm, Larimer County
Goals/Strategic Objectives
Property #1:
- Improve soil quality and water holding capacity.
- Understand actual ditch water consumption for all users on the property.
- Identify short- and long-term practices and strategies to both increase efficiency in water use and to improve soil quality for a time when more of the property is being actively farmed by more producers.
Property #2:
- Improve soil quality and water holding capacity.
- Track actual municipal water usage for irrigation and precipitation received.
- Identify short- and long-term practices to improve soil quality, including water retention and erosion prevention, for a time when more of the property may be farmed.
Inventory
- Average annual precipitation: 15.9″
- All time high annual precipitation: 25.2″
- Typically greater than 2″ of rain per month April through July
- Growing season temperatures range from 18 degrees (April) to 96 degrees (July) Fahrenheit
- Last frost: approx. May 4th
- First frost: approx. October 2nd
- Ditch flow info:
- Surface water starts mid to late May and runs for as little as a few weeks or as long as mid-August
- Could have ditch water running until September 30th. Then use water in storage pond
Potential future conditions
Strategies for increasing drought preparedness
- Soil moisture and water quality tracking- 2023 and forward
- Track rain gauge info in rain log
- Invest in a soil moisture probe
- Track percent organic matter via soil tests
- Water quality testing for retention pond- 2023 and forward, monthly
- Track water use for property #1- July 2023 and continue to monitor
- Create log- track municipal and pond water use
- Order a meter for 2″ pumped water line to begin tracking
- Order two 3/4″ meters for property #2 water lines
- Meter available for property #1 municipal water use
- Use irrigation timers to manage watering schedule and total water
- Create log- track municipal and pond water use
- Plan drought tolerant cover crops on currently unfarmed acres- determine CC mix by mid- August 2023 to be prepared for seeding fall covers on or before September 1st
- Water well for good germination
- Spot weed until they can out-compete other weeds
Timeline
Critical decision-making dates
- April 1st through May 15th: check snow water equivalent data and consult the ditch rider to understand what amount of water will be in the system for the ditches.
- September 1st: last date to establish cover crops. If not established, mulch with available organic material such as straw or leaves.
- Weekly: monitor rain gauges
- May and October, annually: perform soil tests
- Monthly: test irrigation pond
Strategies for managing during drought
- Reduce water requirement by favoring transplanted crops that are irrigated on drip systems, as opposed to direct seeded crops on overhead.
- Use conservation agriculture practices such as:
- Reducing tillage,
- Using silage tarps for stale seedbed,
- Select drought tolerant cover crops and local mulches, and
- Mulch with straw, leaves, or a heavy layer of compost to reduce moisture losses via evapotranspiration (works for transplants but not direct seeded crops).
- Favor transplanted crops over direct seeded crops to reduce water requirements for germination.
- Use shade cloth to reduce heat burden on crops and surrounding soil and interplant crops to improve growing conditions if able.
- Use irrigation timers to manage watering schedule and total water use.