تعیین مناسب ترین فاصله کاشت درخت افرا (پلت)

Maple (Acer velutinum Bois) is one of the most important and economical species in Hyrcanian forests. Suitable distance planting is important factor to increase of quantity and quality of trees. To access for optimal; spacing a study was carried out with this species in Shafaroud forests in Guilan provience. The statistical method of this study was randomize complete block designs with four block and eight treatment (distance planting), including: (1*1), (1.5*1.5), (2*1), (2* 1.5), (2*2) (2*2.5) (2*3) and (3*3).Annually, height. Diameter and survey were measured and all data recorded in special forms. Analyses of variance (ANOVA) were done by SAS and Spss software's. The Results showed that planting space has significant effect on diameter. Finally suitable distance planting, (2*2.5) (2*3) were introduced. Key words: Maple, distance planting, planting

Keywords:

آسر , درختان الواری , فاصله گذاری , جنگل کاری