Soils and Crop Science: Climate, Weather, and Plant Growth, Assignments of Agricultural engineering

Download Soils and Crop Science: Climate, Weather, and Plant Growth and more Assignments Agricultural engineering in PDF only on Docsity! AGA 105 – Soils & Crop Science Worksheet 13 – Climate and Weather Due: Name on the back, please 10 points 1. What are some negative crop effects of high temperature? 2. How does water availability affect the likelihood of a plant experiencing high temperature injury? 3. At what temperature range does chilling injury occur? For most crop plants, is chilling injury a whole-plant or plant-part problem? 4. At what temperature will freezing injury occur? What are symptoms of freezing injury? 5. What are growing degree days, and what is the equation used to calculate growing degree days? 6. How many growing degree days occur for a corn plant on a day that has a high of 75°F and a low of 61°F? On a day that is high 92°F and low 68°? On a day that is high 66°F and low 47°F? 7. At what time of year have plants achieved their greatest degree of cold hardiness? 8. What important physiological process cannot function normally when crops are growing in water-logged, compacted or poorly drained soils? 1