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

Author Question: Conservation tillage systems are said to have all of the following advantages but one over ... (Read 575 times)

bobthebuilder

  • Hero Member
  • *****
  • Posts: 567
Conservation tillage systems are said to have all of the following advantages but one over conventional tillage systems.
 
  A) it involves the use of less toxic weed control practices
  B) it reduces soil erosion
  C) it encourages higher microbial population numbers in the soil
  D) it increases the hydraulic conductivity of the soil
  E) its labor and energy requirements are lower

Question 2

In one field trial comparing no-till and conventional tillage, soil samples taken after 15 years without liming revealed that the pH of the upper 15 cm was lower on the no-till plot than on the conventional plot. Which of the following most likely accounts for this difference?
 
  A) earthworms were more active in the no-till plot
  B) acidifying effects of nitrogen-containing fertilizers
  C) organic decomposition produced more organic acids in the no-till plot
  D) plowing mixes the surface soil more thoroughly
  E) Al3+ ions are tied up by the organic matter thereby releasing H+ ions


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

macagn

  • Sr. Member
  • ****
  • Posts: 345
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 35% of students answer this correctly




bobthebuilder

  • Member
  • Posts: 567
Reply 2 on: Jul 22, 2018
Wow, this really help


Viet Thy

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

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

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

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