Why are some plants able to succeed in nitrogen-poor soils

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Reference no: EM133932508

Questions:

a. Why are some plants able to succeed in nitrogen-poor soils? How are these plants able to obtain nitrogen?

b. What are the best methods for improving the nitrogen content of nitrogen- poor soils?

c. Describe the philosophy behind the hydrometer method of particle size analysis. How?

d. Explain the significance of taking density readings at 40 seconds and 2 hours after a solution of soil and water plus dispersant is vigorously stirred. Specifically, which soil particles are still in suspension and which have been deposited by each time?

Reference no: EM133932508

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