You need healthy plants to use fertilizer efficiently.

Healthy soil leads to healthy plants.

Organic foods are richer in nutrients. This means they improve satiety and naturally help regulate body weight…Plants produce antioxidants to protect themselves from pests like insects and to withstand harsh weather. When they’re treated with chemicals such as pesticides, they don’t need to produce as much of their own natural defenses, so the levels are lower.” (p.203)

Corn does not like to grow in straight manure. You've got to get the manure below the seed zone.

Yield is what you get paid on. The hybrid must have good agronomic traits.

First you have to figure out what you're going to do with it.