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Detailed Explanation of Key Techniques for Tianshan Spruce Seedling Cultivation
I. Seedbed Land Preparation For spruce seedling cultivation, loam and sandy loam soils with good drainage and irrigation conditions should be selected. Spruce seeds are small, so only through intensive and meticulous cultivation can the seedling germination rate be improved and high-quality strong seedlings be produced. In autumn, deep plow the land to a depth of 250.30 cm; apply 3 tons of base fertilizer per 667 sq m. Carry out soil disinfection together with land preparation, using a 0.1% carbendazim or thiophanate-methyl solution, spraying 1 kg of solution per 667 sq m. In spring, harrow finely and make beds, striving for fine, crumbly soil, and irrigate thoroughly 3 days before sowing. II. Seed