Prices of petroleum are on a high. Almost every work associated with energy is consuming petroleum product. Farmers are suggested to decrease the amount of fossil fuel to increase productivity. Advanced farming technologies are using huge amount of fossil fuel like petrol or gasoline to run the machinery, petroleum based pest controllers and artificial fertilizers.

These methods have created remarkable output gains and record yields. But oil cost has been increasing all decade and will go on increasing. The usual business farms in the United States are interchanging the crop cycle. They are growing maize for 1 year and soybeans the after that.

They are advised to cultivate a 4-year alternation that integrated two other money-making important crops: oats and alfalfa in place of 2-years maize-soybean rotation. These crops are developed and collected in a different way than corn and soybeans; they help interrupt the lifecycle of wild weeds.

This means the scientist can use a lesser amount of weed-controller. Alfalfa also facilitates to give back nutrients to earth, which condenses the requirement of synthetic nourishment. And if fertilizing is required they can use live stock compost as fertilizers in place of artificial petroleum based fertilizers.