Question

why farmers grow Guar before sowing crop seed ?​

Answer 1

because it enrich the soil with nitrogen . and the growing up the guar and munching it down when the soil is cultivated is called green manure

Answer 2

THIS METHOD IS CALLED CROP ROTATION. IN THIS METHOD A LEGUMINOUS PLANT LIKE PEA, GUAR IS GROWN WHICH MAKE THE SOIL FERTILE BY MEANS OF ATTACHING RHIZOBIUM BACTERIA IN THE ROOT NODULES CREATING A SYMBIOTIC RELATIONSHIP WITH THE PLANT AND BACTERIA WHERE THEY BOTH ARE MUTUALLY BENEFITED. THESE RHIZOPUS FIX NITROGEN AND HELPS IN ADDING NUTRIENTS AND MAKES SOIL FERTILE. THEN THE SOIL IS NOW REPLENISHED WITH NUTRIENTS AND THE SOIL IS NOW READY FOR GROWING CROP WHERE THEY REQUIRE MORE NUTRIENTS FOR THEIR GROWTH...

HOPE THIS HELPS YOU!!