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

Author Question: Marshall owns a 5-hectare wheat cropland. In 1973, his total crop yield was 19 tons. After using N ... (Read 83 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556

Question 1

Increases in nutrient concentration above the critical range indicate that plant is absorbing nutrients above that needed for maximum yield. Which of the following terms defines this phenomenon?
◦ critical range absorption
◦ luxury consumption
◦ limiting factor consumption
◦ seeding rate

Question 2

Marshall owns a 5-hectare wheat cropland. In 1973, his total crop yield was 19 tons. After using N fertilizers for the next ten years, the total crop yield doubled. However, in spite of increasing the N fertilizer use, the total crop yield declined to 26 tons between 1983 and 2000. Which of the following would have led to the decrease in crop yield over the years?
◦ increase in nutrient use efficiency of wheat
◦ increase in fertilizer use faster than wheat yield
◦ increase in wheat yield faster than fertilizer use
◦ decrease in the quantity of applied nutrient in the soil


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Jkov05 on Sep 3, 2020

InfiniteSteez

  • Sr. Member
  • ****
  • Posts: 340
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 64% of students answer this correctly




Jkov05

  • Member
  • Posts: 556
Reply 2 on: Sep 3, 2020
:D TYSM


raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Excellent

 

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?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

For a complete list of videos, visit our video library