Online Phenology Models and Degree-day Calculator
T-Sum 200
crop model of Forage Management OSU Forage Info System

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: T-Sum 200 Type: crop Model source/other links: Forage Management OSU Forage Info System 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: Long used to time N fert. in pastures (run in degrees F = 360 DDs) Region of known use: Pacific Northwest ==============================EVENTS TABLE================================ 1. 180 DD after Jan 1 Half way to T-Sum 200 2. 360 DD after Jan 1 T-Sum 200 reached (N fertil-ryegrass and pastures) ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD32 CUMDD32 event -- --- ----- ----- ------ ---- ------- -------