桂花种植密度调控对生长量的影响

试验采用‘金桂’桂花品种苗木在山坡地种植,在不同生长阶段采用疏移措施调整桂花密度。结果表明：不同生长阶段密度调控对桂花的生长具有极显著影响,以初植密度（株行距）1 m×1 m,在4年树龄及7年树龄时适时疏移2次的生长量最大;初植密度（株行距）2 m×2 m,在树龄6年疏移1次的生长量次之;初植密度（株行距）3 m×3 m,在生长期内不疏移的生长量最小。

Density control on the growth of Osmanthus fragrans

Osmanthus fragrans seedlings were planted in sloping fields. In different growth stages the density was adjusted by transplanting. The results showed that controlling the densities of different growth stages has a significant influence on the growth of sweet osmanthus. The treatment transplanted at the age of 4 years old and 7 years old with the early planting density of 1 m＆#215;1 m reached the maximum growth amount. The growth amount of treatment transplanted at the age of 6 years old with early planting density of 2 m＆#215;2 m took the second place. The treatment with no transplant the early planting density of 3 m＆#215;3 m got the minimal growth amount.