Online Phenology Models and Degree-day Calculator
flax stage early in day before flwr ptls fall off
crop model of Miller MSU, Misc. refs

Output from crop degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: flax stage early in day before flwr ptls fall off Type: crop Model source/other links: Miller MSU, Misc. refs Calculation method: simp avg/grow Lower threshold: 32 degrees Fahrenheit Setting upper threshold to: 130 F (default) Directions for starting/BIOFIX: calendar date Starting/BIOFIX date: 1 1 No ending date, set to: default date 12 31 Model validation status: partly validated Region of known use: Montana ==============================EVENTS TABLE================================ 1. 290 DD after biofix 0.9-germination: coleoptyle breaks through soil 2. 360 DD after biofix 1.1-1st pair of leaves unfolded 3. 620 DD after biofix 1.9-nine pairs of leaves unfolded 4. 1650 DD after biofix 5.1-1st flower buds visible (unfold stem tips to observe) 5. 1910 DD after biofix 5.9-1st flower petals visible, flowers still closed 6. 2110 DD after biofix 6.5-flowering 50% complete 7. 2890 DD after biofix 8.9-90% color change, upper lvs senescent, seeds rattle 8. 2980 DD after biofix 9.2-direct harvest ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD32 CUMDD32 event -- --- ----- ----- ------ ---- ------- -------