In this article I'm going to explain the use of the analytic functions RANK, DENSE_RANK and ROW_NUMBER to rank the results of your query.
Crop diversification refers to the addition of new crops or cropping systems to agricultural production on a particular farm taking into account the different returns from value-added crops with complementary marketing opportunities. Major driving forces for crop diversification include: â¢ Increasing income on small farm holdings
Crop rotation was important because it stops the soil from getting stripped of the important nutrients, and provides nutrients to the soil. It also helps from the soil getting stripped away itself when a farmer varies between long rooted plants and short rooted plants.