Commercial harvesting involves harvesting food in large quantities for sale to the public.
.........on harvesting the fields before the monsoon
When someone references modern farming they are making reference to the modern techniques used in farming. These techniques involve tractors for harvesting for example.
who invented rainwater harvesting
It is harvesting energy to run cities.
the harvesting season is going to be in 2020
Safe when taken in proper dosages under supervision of a medical practitioner. When harvesting fresh cornsilk find out if the plants were sprayed with pesticide.
If you're referring to actor Kelsey Grammer, then yes, Grammer is a proper noun. If you meant to write grammar, then no, it's not a proper noun.
by rainwater harvesting
errrhhhmmm harvesting wheat maybe?
Aims and objectives of water harvesting
water harvesting