This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If you wanted to reduce the percentage sodium saturation from 30 to 5 in a sodic soil with a CEC of ... (Read 41 times)

Lobcity

  • Hero Member
  • *****
  • Posts: 524
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
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alexanderhamilton

  • Sr. Member
  • ****
  • Posts: 334
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.
Answer Preview
Only 56% of students answer this correctly


Lobcity

  • Member
  • Posts: 524
Reply 2 on: Jul 22, 2018
Gracias!

xoxo123

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Rule of Nines. A method for determining percentage of body burned. Each different colored section re Rule of Nines. A method for determining percentage of body burned. Each different colored section re
Reduce Risk of Unintentional Injury Reduce Risk of Unintentional Injury
Regional differences affect soil fertility Regional differences affect soil fertility
Causes of Soil Erosion and Degradation worldwide Causes of Soil Erosion and Degradation worldwide
Calculate the number of sodium ions in 0.375moles of Na2CO3.10H20 Calculate the number of sodium ions in 0.375moles of Na2CO3.10H20
Addition of 0.0125 mol HCl to 150 mL of a 0.150 M formic acid/0.100 M sodium formate buffer ... Addition of 0.0125 mol HCl to 150 mL of a 0.150 M formic acid/0.100 M sodium formate buffer ...
Video: Mendel's pea plant, Pisum sativum experimental

For a complete list of videos, visit our video library