Fruits, vegetables, nuts, seeds, legumes and grains are good sources of dietary fiber. It is the component of food that cannot be digested or broken down into energy.
Root crops are important in developing tropical countries like the Philippines. They are source of food and income to farmers.
Cotton farmers would earn 15 percent more if they intercrop their cotton farms with legumes such as peanut, cow pea and soybean, researchers say.
Researchers from the Philippine Nuclear Research Institute (PNRI) have been developing improved crop varieties through mutation a non conventional method of plant breeding which uses mutational agents (mutagen) such as radiation or chemicals (i.e. ethyl methyl sulfonite (EMS).
A study has been conducted looking into the effects of root crops and legumes in lowering cholesterol levels in the human body, among them was the cassava which thrives in abundance in tropical countries.