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Author Question: A farmer started irrigating a soil some 10 years ago but in recent years yields have declined and ... (Read 115 times)

laurencescou

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on: Jul 22, 2018
A farmer started irrigating a soil some 10 years ago but in recent years yields have declined and the soil physical condition has deteriorated. Which of the following most likely accounts for this situation?
 
  A) failure to use conservation tillage to reduce salt accumulation at the soil surface
  B) high SAR of the irrigation water
  C) high content of Ca and Mg in the irrigation water
  D) excessive drainage of the soil
  E) high gypsum content in the soil

Question 2

Non-point source losses of which element are considered to be a serious water pollution problem because the resulting high concentration of the element in stream water is toxic to most fish.
 
  A) phosphorus B) potassium C) both A and B D) neither A nor B
The Nature and Properties of Soils ¦ Weil, Well, Brady ¦ 15th Edition
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stano32

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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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laurencescou

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Reply 2 on: Jul 22, 2018
:D TYSM

dantucker

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Reply 3 on: Yesterday
Gracias!

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