Growing broadleaves
2001
Tullus, H. (Estonian Agricultural Univ., Tartu (Estonia). Forest Research Inst.)
In Estonia a number of deciduous tree species Silver Birch, Downy Birch, Common Alder, Grey Alder and Aspen grow in commercially considerable volume. Natural conditions here are favourable for growing more Ash, Oak and Black Alder. During the last half century the area of Estonian woodlands has doubled. Thus half of the forests are firstgeneration stands on former agricultural lands. Deciduous tree stands have attained more value during the last decause of both economical and environmental reasons. To direct the growth of deciduous tree stands several silvicultural methods like tending, lighting, thinning and pruning can be used
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
تم تزويد هذا السجل من قبل Estonian University of Life Sciences