finalexam-oklahomastateuniversity–stillwater（7页）.doc

Final ExamMay, 2002SOIL 4213/BAE 4213 Name____________________ Answer circle all that apply STUDENT QUESTIONS 1. What type of costs should be used in the decision process for farmers? A: Variable Costs. 2. Who is getting shafted in agriculture? A: The small farmers 3. What are three obstacles in applying precision agriculture in Equatorial Guinea? Equipment (none) Education (none) Money (none) Not much pattern in cropping system No Fertilizer No Herbicides 4. What is the ‘right’ decision that countries should take when they have a problem with water supplies? stop planting and import their food continue planting their crops control the water source adopt new technologies for irrigation adopt precision agricultural production practices 5. Which of the following are concerns in generating sensor based weed detection method a. Canopy structure similarity of plant species b. Very narrow reflection band for different species c. Confounding effect of environmental stresses d. The greenness of all plants e. All of the above 6. The newly emerging generations of weed detectors are expected to be reliable since: a. The equipment operates with multi-spectral sensors b. The equipment operates with hyper-spectral sensors c. Technicians will be able to see the weed species with the eye-glass mounted sensor d. East Africa will launch its satellite in early 2003 7. Which of these soil factors does not affect soil EC readings? A)Moisture B)Percent Phosphorus C)Cation Exchange Capacity D)Texture E)Temperature 8. What is the anticipated resolution of the Nitrogen Fertilization Optimization Algorithm going to be in Corn (Maize)? Answer:? By Plant! 9. What is the current equation used to calculate NDVI at Oklahoma State University? (NIR-red)/(NIR+red) List several precision ag services offered by crop consulting companies Grid sampling Remote sensing Multi-layer map Yield map analysis Insurance claim analysis Aerial Photography Field