Some of the best forest officials are detailed to give advice gratuitously to forest owners (forest revisor--instructors) and prizes are given for the best results of silvicultural operations.
A number of special forms of silvicultural management applicable under special conditions have been locally developed, without, however, gaining much ground and being mainly of historical value.
The prescriptions had reference both to management and silvicultural practice.
Altogether forest management and silvicultural practice are still nearly unknown in England, and, until within a few years, the useful idea of working plans had not yet penetrated the minds of owners of estates.
No knowledge beyond that of the law was required of them, hence no development of silvicultural methods resulted during the 17th and 18th century.
Organized forest management was slower to develop thansilvicultural methods.
The silvicultural system applied is most generally the rough selection forest or an approach to group system, relying upon voluntary reproduction entirely.
The subordinate staff are trained for their work in so-called silvicultural schools, of which a large number exist.
While the danger of overworking the forests is thus being gradually eliminated, their yield capacity is increased by suitable silvicultural treatment and by fire protection.
Thus the silvicultural problems which must be solved in the practice of forestry in America are fortunately less complicated than the presence of so many kinds of trees in forests of such diverse types would naturally seem to indicate.
Silvicultural practices may lessen the incidence of infection in plantations.
Silvicultural or forest management practices which reduce the abundance of the alternate host offer promise of long term control.
Indeed, many of the silvicultural systems involve steady improvement of the forest.
Improvement cuttings are often necessary as a preliminary step before any silvicultural system can be applied.
The timber, then, is to be taken out, under some silvicultural system and under government supervision, by motor truck operators who build their own roads from the nearest concrete road to the timber to be cut.
This is not only an industrial advance but also a silvicultural advance in that it affords the possibility of cuttings at frequent intervals without greatly adding to the cost.
The student should ground himself thoroughly in the making of silvicultural working plans, and the more practice in making them he can get, the better.
All this forms the basis for the preparation of working plans for the utilization of forests under American economic and silvicultural conditions, not only without injury, but with benefit, to their continued productiveness.
Free use of timber is granted primarily to aid in the protection and silviculturalimprovement of the Forests.
In 1886 the study of the biology of some of our important timber trees was taken up, while in the following year silvicultural problems first engaged the attention of the Division.
Piling and burning is required where the fire risk is great; otherwise the method promising the best silvicultural results is used.
Brush is scattered whenever this method promises the best silvicultural results, unless there is serious danger from fire on account of dense timber and reproduction.
The results are published in the form of monographs dealing with the range, silvicultural characteristics, growth, yield and management of each tree.
Thus, from a silvicultural viewpoint, the disadvantages of brush burning far outweigh its advantages.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "silvicultural" in a variety of sentences. We hope that you will now be able to make sentences using this word.
