Good for you are being an active again and thank for posting such a detailed article here.
Yes, this is true

Everyone can plant, but few know how to cultivate. We can learn with time and experience,

Also, my father love to cultivate and he has his own cultivated garden which provides brinjal, ladies fingers, bitter gourd, tomatoes, pumpkin, tapioca, radish, ginger, lime, curry lives, green chili, kankun, gotukola and etc;