Michigan CCA Exam Study Guide Chapter 1-3 Already Passed

Michigan CCA Exam Study Guide Chapter 1-3 Already Passed Spring/Summer Lake effect Wind blows across water and is cooled that's why the coast is much cooler than inland. The wind then warms back up further inland. Higher nighttime temps with less risk of frost. Storms break up over the lake and cool down Fall/winter lake effect Lake stays warmer longer and causes dense gray clouds. The warming of night time low temps is the most pronounced fall/winter lake effect. The cloud cover causes Michigan to stay warmer through the night. This has a much greater impact on the entire state. Communities near the lake Which communities in Michigan have a longer growing season? Inland or near the lake? Inland Which communities in Michigan have more GDD's? Inland or near the lake? 1. Cold air collects in low areas 2. Sandy knolls with sand sub-soil (low soil moisture) irrigate the day prior to frost What are the two localized frost prone areas? 1. The combination of lake modified climate 2. Soil variability What makes Michigan's agricultural diversity possible? (2 reasons) soil a medium for plant growth, the loose, consolidated material of the earth's surface Anchorage Water Air Nutrients A growth promoting chemical environment What is the function of soil? Roots need oxygen Why is air an important soil function? Carries nutrients, cools the plant, causes plant to be turgid Why is water an important soil function? 45% minerals 25% water 25% air 5% OM What is the ideal soil composition? (4 components) dead plant material with 20-30% organic matter What is an organic soil? weathered rock material What is mineral soils? peat soil An organic soil where partial and individual plant fibers can be seen Muck soil An organic soil where decay is more complete (can't see partial and individual plant fibers) undergoes weathering Most parent material is developed from grinding, p