I spend a lot of time in planning my kitchen garden. This means a lot of calculations. After spending an hour on gardners.com, I was able to make several layouts for my garden projects. Next, I calculated average yield per plant based on my own experience and research papers available online. This one produces 40 kg of a variety of vegetables from a small space of 3 by 6 sqft. How to get 40 kg of vegetables from a 3 by 6