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

Author Question: Which of the following is a true statement about chemical constraints in different agroecological ... (Read 37 times)

yoooooman

  • Hero Member
  • *****
  • Posts: 557
Which of the following is a true statement about chemical constraints in different agroecological areas of the tropics?
 
  A) Highest phosphorus fixation occurs in semiarid areas.
  B) Low CEC is most prevalent in acid savannas.
  C) Acidity without Al toxicity is highest in the humid tropics.
  D) Aluminum toxicity is most widespread in semiarid areas.
  E) The proportion of saline soils in the humid tropics is greater than in other regions.

Question 2

Which of the following has not been an effect of the intensified agriculture of the past 40 years?
 
  A) reduced need to cultivate fragile lands to produce the food required by the world
  B) imbalanced human nutrition due to decreased production of edible legume crops
  C) increased use of chemical pesticides
  D) increased micronutrient levels in the soil
  E) decreased biological diversity in soil systems


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mk6555

  • Sr. Member
  • ****
  • Posts: 310
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 39% of students answer this correctly



yoooooman

  • Hero Member
  • *****
  • Posts: 557
Both answers were spot on, thank you once again



mk6555

  • Sr. Member
  • ****
  • Posts: 310

 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

For a complete list of videos, visit our video library