Online Phenology Models and Degree-day Calculator
pea (yellow-determinate or indeterminate growth chars.)
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: pea (yellow-determinate or indeterminate growth chars.) 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. 270 DD after biofix 0.9-germination: shoot breaks through soil 2. 330 DD after biofix 1.1-1st true leaves unfolded 3. 420 DD after biofix 1.4-4th true leaves unfolded 4. 1520 DD after biofix 5.1-flower buds just visible (check inside axillary buds) 5. 1820 DD after biofix 6.1-10% of flowers visible, 12 to 16 nodes 6. 2120 DD after biofix 7.1-10% of pods are final size 7. 2420 DD after biofix 8.1-10% of bottom pods are yellow to brown. Upper pods still green 8. 2660 DD after biofix 8.9-90% of seeds started to change color (specks or solid). Bottom 1/3 ripe, middle 1/3 yellow-tan and seeds dry and firm 9. 2750 DD after biofix 9.2-Direct harvest. Plants of broadleafs rip and dry ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD32 CUMDD32 event -- --- ----- ----- ------ ---- ------- -------