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 583 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
Great answer, keep it coming :)


amynguyen1221

  • Member
  • Posts: 355
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

For a complete list of videos, visit our video library