Early in the morning, driving from Qingzhen City, Guizhou Province to Luojiaqiao Village, there were colorful fallen leaves and thin clouds surrounding the valleys. Along the asphalt road in the mountains, rows of silver-white vegetable greenhouses entered one after another. Eyes. In the greenhouse, dozens of workers shuttled through the pepper fields, picking, bundling, and loading, a busy scene. As one of the 25,000 mu high-standard vegetable supply bases in Guiyang, Luojiaqiao Vegetables, Hongfenghu Town, Qingzhen City On the basis of steady development, the guarantee supply base vigorously promotes the integration of the agricultural industry and modern technology, promotes endogenous growth with scientific and technological progress, and promotes upgrades and upgrades driven by innovation, so as to actually show a new path for the development of agricultural modernization. Experimental selection Since the start of construction in April 2019, the Luojiaqiao high-standard vegetable supply base has fully built 427 high-standard vegetable greenhouses and 200 acres of open-air planting bases, covering a total of more than 3,200 acres. According to the "one district, one season, one variety, With the planting model of "multiple areas, multiple crops and more harvest", the annual output of various high-quality vegetables in the base can reach more than 8,000 tons. He Yanhong, the person in charge of the vegetable supply base in Qingzhen district, introduced the altitude, temperature, rainfall and soil composition of each area Factors such as those determine the local vegetable varieties suitable for planting, and the vegetable varieties determine the later production, quality and economic benefits, so how to select suitable varieties according to local conditions is a key issue.