Grain refers to rice, wheat, soybeans, corn, potato, and habits to outside of rice and flour food called grains, so the grain also refers to food crops. So usually think, grain is generally referred to as the food crops.
Grain "the grain" appear in the spring and autumn and warring states period. After the han people and han people there are two main types: the explanation of an argument is rice, millet, millet, wheat, glycine (soybean); Another theory is that hemp (cannabis), millet, millet, wheat, glycine. The difference of this two kinds of views, there is a kind of rice without hemp, another kind of hemp without rice. Pitted while it is possible for edible, but mainly use it to weave the cloth with fiber. Valley refers to food, the former is not include hemp in the grain, is quite reasonable. But on the other hand, the economic and cultural center in the north, rice is a southern crops, the northern culture co., LTD., so the grain of hemp without rice, it is also possible. GuanShu shi-ji day ", "all beauty wait years old evil" (say below the predicted years key) crops, wheat, millet, millet, glycine, linen five, belongs to the latter. Probably because of these reasons, so the han people and han people of grain has two kinds of different explanation.
Grain of grain, often referred to as rice, wheat, corn, soybeans and potato food bean crop five crops. Mainly include: sorghum, millet, buckwheat, buckwheat), oats, corn millet, naked oats, barley, broomcorn millet, yi, grain amaranth and beans (kidney bean, mung bean, adzuki bean, red bean, red bean), beans, peas, peas, lentils (lentils), black beans, etc. Is characterized by short growing, less acreage, special planting area, yield is low, generally contain rich nutrients.
Grain that has a long history, the Chinese to grain food grains as the main body of the diet has been followed for thousands of years, as early as two thousand years ago in huangdi neijing, raises the grain to raise, five fruit for help, five livestock for profit, the five dishes for the filling. Usually people think that is a refined grains, rice and wheat grains is refers to besides other food, we now call the grain is actually a big family, including a variety of food grains and beans, such as: millet, corn, barley, brown rice, buckwheat, oats, beans, mung beans, sweet potatoes, black beans, peas, etc.
