a. Why is sub-soiling needed in soils with hard pans?
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
Related questions
Question
a. Why is sub-soiling needed in soils with hard pans?
b. Why should we add well decayed organic matter and basal fertilized to the soil
before transplanting seedlings or grafted plants of perennial crop species?
c. Show that a triangular system has 15% more plants than a square system using the
same distance of planting by computing the number of plants in each system.
d. What are the different adaptive tillage operations? Characterize each.
e. Differentiate between minimum and zero tillage.
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