Question

how do leguminous plant help in maintaining soil fertility​

Answer 1

leguminous plants forms rootnodule for fixation of nitrogen and this makes soil fertility

Answer 2

$\mathfrak{hey \: brother}$

According to my knowledge ❤❤❤❤,These plants are used in crop rotation to replenish plants nitrogen. These are of the pea family.

Some of the examples are varieties of beans, peas and groundnut

These have seeds in pods.

the roots contains knodes which carry nitrogen from the air and directly give it to plants.❤❤❤❤ If my answer proved to be helpful plz mark as brainliest..... If you want follow me ❤❤

$\huge{they \: help \: in \: maintaining the \: proper \: growth \: to \: the \: soil}$

$\mathfrak{thanks}$prove to be helpful please mark husband