条件筛选
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Detailed Explanation of GAP Standardized Planting Operation Procedures for Asarum heterotropoides
I. Site Selection and Land Preparation 1. Site Selection Select a natural forest cutover site that meets the Grade II standards of GB5618-1995, with an irrigation water source, and water quality that complies with the "Farmland Irrigation Water Quality Standard GB15084-92," far from main traffic roads, surrounded by natural forest and planted forest on all sides, where a dust-proof forest belt may be established, with no pollution sources nearby. 2. Land Preparation Clear debris from the field, plow twice with a tractor to a depth not exceeding 30 cm, then harrow 5 times, leveling and pulverizing the soil. Make raised beds by hand; seedbeds 1.2 m wide, 25 cm