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Author Question: Which if the following is true about a soil quality index (SQI)? A) Soil quality indices may be ... (Read 83 times)

jazziefee

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on: Jul 22, 2018
Which if the following is true about a soil quality index (SQI)?
 
  A) Soil quality indices may be used to monitor the effects of changes in soil management practice over time.
  B) The SQI must be related to a particular functional goal for the soil in the ecosystem.
  C) Soil pH, bulk density (Mg m-3 ) and soil active C levels (mg kg-1 ) may all be averaged together in a SQI.
  D) All of the above are true.
  E) None of the above is true.

Question 2

In recent years the annual productivity of slash-and-burn systems has tended to decline over that achieved by the traditional shifting cultivation systems of the past. To what is this decline most likely due?
 
  A) reduction in the C/N ratio of the soil organic matter
  B) reduction in the use of fertilizers
  C) increase in the period of food production in a given cycle
  D) failure to grow legumes in the cropping system
  E) decrease in the length of the fallow period
The Nature and Properties of Soils ¦ Weil, Well, Brady ¦ 15th Edition
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meganlapinski

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Reply #1 on: Jul 22, 2018
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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jazziefee

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Reply 2 on: Jul 22, 2018
Great answer, keep it coming :)

tkempin

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Reply 3 on: Yesterday
:D TYSM

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