(a). An agricultural engineer must decide what type of tillage method to adopt for optimum soil structire for seedbed and root bed, manage plant residue and reduce soil erosion. If he uses primary tillage type, he has 80% chance for optimum soil performance. If he uses secondary tillage type, he has 50% chance for optimum soil performance. If he uses cultivation tillage type, he has 30% chance for optimum soil performance. According to the soil condition obtained from preliminary investigation, there are only 20%, 50% and 30% chances of applying primary, secondary and cultivation tillage operations on the land, respectively. If the engineer decides to use all three tillage types on the land, determine the chance for optimum soil structure for seedbed and root bed preparation. Also, determine the chance of using primary tillage type alone when the soil performance was optimum.

(a). An agricultural engineer must decide what type of tillage method to adopt for optimum soil structire for seedbed and root bed, manage plant residue and reduce soil erosion. If he uses primary tillage type, he has 80% chance for optimum soil performance. If he uses secondary tillage type, he has 50% chance for optimum soil performance. If he uses cultivation tillage type, he has 30% chance for optimum soil performance. According to the soil condition obtained from preliminary investigation, there are only 20%, 50% and 30% chances of applying primary, secondary and cultivation tillage operations on the land, respectively. If the engineer decides to use all three tillage types on the land, determine the chance for optimum soil structure for seedbed and root bed preparation. Also, determine the chance of using primary tillage type alone when the soil performance was optimum.

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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