Introduction and Selection of Fine Plant Species and Varieties

Since 2017, China development was changed from high-speed development into high-quality development, so, agriculture development had entered the new stage of agriculture high-quality development.To carry out the high-quality development of Agriculture, we must select fine plant species and varieties, and take the suitable initial planting density and effective measure and methods to ensure the plant grow well and get the maximum yield and beneficial result.However, there are few reports on the method of Introduction and selection of better plant species.In this pater, we take the semiarid loess hilly region, China as an example, to introduce the method of Selection of better economic plant species.