Farmers often grow a pulse crop such as moong between two cereal crops. What is the main benefit to the soil?

Pulses remove extra nitrogen that harms cerealsCorrect answerYour answerPulses make the soil more acidicCorrect answerYour answerBacteria in the pulse's root nodules add nitrogen to the soilCorrect answerYour answerPulses need no water, so the soil restsCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer C

Correct answer: C

Legumes carry nitrogen-fixing Rhizobium in their root nodules.
After the pulse is harvested, the nitrogen left in the soil feeds the next cereal crop. This is crop rotation.

Concept: Crop rotation with legumes
Typical timeTypical: 60 s
Your timeYours: —

The rule this testsNutrient cycles

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Farmers often grow a pulse crop such as moong between two cereal crops. What is the main benefit to the soil?

Explanation