The Microclimate Change Rules and Simulation Method Preliminary for Forecasting Temperature in Northern Greenhouse

Analysis the change rules and distribution of microclimate that in greenhouse such as temperature, humidity and earth temperature under different weather types in winter and spring, using the observed data in the cucumber greenhouse which seated in Shandong provincial Shouguang from 2007 to 2010. Using statistical method to choose the factors for forecast and simulate models for next day´s temperature forecast, according different months, different weather types and different time in a day. The simulation results are good except the April. Exam models to forecast temperature in greenhouse with observed data and weather forecast of February to May in 2010, and results are good, models can be used in forecast.