黑松营养钵冷棚育苗及其雨季造林试验

基于苗圃育苗试验和造林效果的观测,研究了黑松冷棚营养钵育苗及其雨季造林效果。结果表明,与常规春季裸根苗造林相比,营养钵冷棚育苗可使当年造林成活率提高35.9%;第3年观测,苗高生长量提高23.5%,地径生长量提高28.6%,造林保存率达到84.8%,节省了苗木补植费和造林材料费。黑松营养钵冷棚育苗技术可在干旱地区推广应用。

Nursery of Pinus thunbergii in Nutritional Bowl in Cold Shed and its Afforestation in Rainy Season

Based on seedling test in nursery and observation of forestation effect,nutritional bowl of Pinus thunber-gii and its afforestation technologies in rainy season were studied.Result shows that compared with the control (bare-root seedlings)conventional planting in spring,nursery in nutritional bowl in cold shed can increase the sur-vival rate by 35.9% in the very year ;it can raise seedling height growth by 23.5% in the third year and increase di-ameter growth by 28.6% ,the forestation preserving rate being 84.8%.It can also save replanting costs for seed-lings and afforestation material costs.Nutritional bowl of Pinus thunbergii in cold shed can be used in arid region .