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

Author Question: A farmer started irrigating a soil some 10 years ago but in recent years yields have declined and ... (Read 243 times)

laurencescou

  • Hero Member
  • *****
  • Posts: 593
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
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

stano32

  • Sr. Member
  • ****
  • Posts: 339
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 25% of students answer this correctly


laurencescou

  • Member
  • Posts: 593
Reply 2 on: Jul 22, 2018
Great answer, keep it coming :)

raenoj

  • Member
  • Posts: 340
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere
The proportion of obese and extremely obese adults in the United States has increased over the past The proportion of obese and extremely obese adults in the United States has increased over the past
Recent history of biochemistry shown by the introduction of new techniques. (part 2) Recent history of biochemistry shown by the introduction of new techniques. (part 2)
Contrasting Soil Profiles Contrasting Soil Profiles
A pedigree for albinism collected in the early years of the twentieth century by Charles Davenport, A pedigree for albinism collected in the early years of the twentieth century by Charles Davenport,
Jamal plans to retire in 17 years. He is saving $2000 every start of the month in a retirement ... Jamal plans to retire in 17 years. He is saving $2000 every start of the month in a retirement ...
Video: What Are Carbohydrates? Importance of Carbs & High Carb Food

For a complete list of videos, visit our video library