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

Author Question: Conservation tillage systems are said to have all of the following advantages but one over ... (Read 268 times)

bobthebuilder

  • Hero Member
  • *****
  • Posts: 567
on: Jul 22, 2018
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
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

macagn

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


bobthebuilder

  • Member
  • Posts: 567
Reply 2 on: Jul 22, 2018
Excellent

covalentbond

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Interrelationships of the integumentary system with other body systems Interrelationships of the integumentary system with other body systems
Organ Systems Organ Systems
The integumentary and nervous systems work together to recognize specific sensations, such as heat ... The integumentary and nervous systems work together to recognize specific sensations, such as heat ...
Free Energy Rules: The Second Law in Open Systems Free Energy Rules: The Second Law in Open Systems
Summary of Homologous Structures of the Female and Male Reproductive Systems Summary of Homologous Structures of the Female and Male Reproductive Systems
Respiratory system, Urinary and Nervous systems Respiratory system, Urinary and Nervous systems
Video: Functional zones in a mitochondrion

For a complete list of videos, visit our video library