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Author Question: If you wanted to reduce the percentage sodium saturation from 30 to 5 in a sodic soil with a CEC of ... (Read 47 times)

Lobcity

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on: Jul 22, 2018
If you wanted to reduce the percentage sodium saturation from 30 to 5 in a sodic soil with a CEC of 20 cmolc/kg, how many cmolc's of CaSO4 would need to react with 1 kg of this soil?
 
  A) 10 B) 2 C) 20 D) 30 E) 5

Question 2

Which of the following statements about soil erosion is not true?
 
  A) Less than 20 percent of the total soil erosion in the United States comes from croplands.
  B) Soil erosion losses of potassium exceed those of nitrogen and phosphorus.
  C) Downstream off-site costs of erosion are often higher than those in upstream fields from which the soil came.
  D) The rate of soil erosion loss in the United States declined from 1980 to 1995.
  E) Soil erosion losses per hectare of cropped land are higher in Asia and Africa than the United States.
The Nature and Properties of Soils ¦ Weil, Well, Brady ¦ 15th Edition
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alexanderhamilton

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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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Lobcity

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Reply 2 on: Jul 22, 2018
Excellent

okolip

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Reply 3 on: Yesterday
Wow, this really help

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