Freebase(0.00 / 0 votes)Rate this definition: Root nodule. Root nodules occur on the roots of plants that associate with symbiotic nitrogen-fixing bacteria. Under nitrogen-limiting conditions, capable plants form a symbiotic relationship with a host-specific strain of bacteria known as rhizobia.
Ayurvedic health benefits of bottle gourd/lau/ lauki: 1  Ayurveda recommends cooked lauki or bottle gourd for better digestion. It is cooling, calming, diuretic and anti-bilious (reduces bile and stops indigestion).
Some of the value added benefits obtained through proper monitoring of a water treatment program include: 1  reduced risks associated, with chemical underfeed or overfeed. 2  continuing compliance with environmental regulations. 3  improved quality of plant operation.  increased water and energy 1  savings. improved plant productivity.