榖子在中国的栽培历史很久,多年来因受自然环境和天然杂交的影响,品种不胜其多,好坏也不一致,利用选种产生优良的榖种,是比较简便的增产方法。过去农民大都是在场内选种,这种选法,能够看出穗子大小和籽粒 Prickly heat in China has a long history of cultivation, over the years due to the impact of natural environment and natural hybrids, variety is numerous, good or bad are inconsistent, the use of species to produce good species, is a relatively simple method of yield. Farmers in the past mostly in the field selection, this election method, you can see the size of the ears and grains