DB15/T 1893-2020 兴安落叶松播种育苗技术规程

DB15/T 1893-2020 Seedling cultivation technology specifications for Larix olgensis in Xing'an Seedling cultivation technology specifications for Larix olgensis - Seedling cultivation - Soil preparation - Planting - Fertilization - Weeding - Protection and care - Harvesting and transportation According to my understanding, "seedling cultivation" refers to the process of planting seedlings, which includes soil preparation, planting, fertilization, weeding, protection and care, harvesting and transportation. "Larix olgensis" refers to the species of pine tree commonly found in north