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Author Question: Some irrigation systems have stimulated the formation of saline and saline-sodic soils. Which of the ... (Read 111 times)

formula1

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on: Jul 22, 2018
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
The Nature and Properties of Soils ¦ Weil, Well, Brady ¦ 15th Edition
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Silverbeard98

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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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formula1

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Reply 2 on: Jul 22, 2018
:D TYSM

bigsis44

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Reply 3 on: Yesterday
Wow, this really help

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