This topic contains a solution. Click here to go to the answer

Author Question: Some irrigation systems have stimulated the formation of saline and saline-sodic soils. Which of the ... (Read 80 times)

formula1

  • Hero Member
  • *****
  • Posts: 666
Some irrigation systems have stimulated the formation of saline and saline-sodic soils. Which of the following contributes to this process?
 
  A) inadequate drainage systems to remove soluble salts
  B) low pH of the irrigation water
  C) high Ca and Mg contents in the irrigation water
  D) high contents of sulfates and chlorides in the irrigation water
  E) the low sodium adsorption ratio in the irrigation water

Question 2

Saline-sodic soils are characterized by all but which one of the following?
 
  A) sodium adsorption ratio greater than 13
  B) soil pH less than 8.5
  C) exchangeable sodium percentage greater than 15
  D) EC 4 dS/m or higher
  E) CaCO3 layer near the soil surface


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Silverbeard98

  • Sr. Member
  • ****
  • Posts: 355
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 50% of students answer this correctly




formula1

  • Member
  • Posts: 666
Reply 2 on: Jul 22, 2018
Gracias!


blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Excellent

 

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

For a complete list of videos, visit our video library