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Author Question: A soil contains 1.7% OM with an annual decomposition rate of 1.5%. The farmer wants to increase OM ... (Read 57 times)

B

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on: Sep 3, 2020

Question 1

Illustrate, with an example, how several interrelated parameters can be commonly
used to quantify salt and affected soils, using
the equilibrium relationships between the soil solution and exchangeable cations in the
soils.

Question 2

A soil contains 1.7% OM with an annual decomposition rate of 1.5%. The farmer wants to increase OM to 2.7%. How many years will it take if he produces 6,500 lb crop residue/yr (residue contains 30% C and C:N is 60:1) with 80% of residue nitrogen ending up as soil nitrogen in soil OM.
◦ 60 years
◦ 150 years
◦ 100 years
◦ 200 years
Soil Fertility and Fertilizers ¦ Havlin, Tisdale, Nelson, Beaton ¦ 8th Edition
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Marked as best answer by B on Sep 3, 2020

lucas dlamini

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Reply #1 on: Sep 3, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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B

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Reply 2 on: Sep 3, 2020
Great answer, keep it coming :)

sultansheikh

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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