Crop Production and Management — Science STD 8 — Question
Gujarat BoardEnglish MediumSTD 8ScienceCrop Production and Management2 Marks
Question
Rotation of crop should be done.
✓
Answer
$-$The required specific nutrients occur in the soil for crop are constantly absorbed by it, if single crop is taken
$-$repeatedly.
$-$So deficiency of nutrients occur in the soil and production of crop decreases.
$-$The soil efficiency is maintained by rotation of crop, if crops of pulses and cereals are taken alternately.
$-$By growing crop of pulse, fixation of nitrogen occures due to Rhizobium bacteria inhabiting in its root and performing an important function to increase the fertility of the soil.
$-$Rotation of crop also control the harmful pests of crop. Hence, rotation of crop should be done.
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