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Author Question: Marshall owns a 5-hectare wheat cropland. In 1973, his total crop yield was 19 tons. After using N ... (Read 91 times)

Jkov05

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on: Sep 3, 2020

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
Soil Fertility and Fertilizers ¦ Havlin, Tisdale, Nelson, Beaton ¦ 8th Edition
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Marked as best answer by Jkov05 on Sep 3, 2020

InfiniteSteez

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Reply #1 on: Sep 3, 2020
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.
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Jkov05

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Reply 2 on: Sep 3, 2020
Wow, this really help

bbburns21

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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