نتایج جستجو برای: multipurpose forestry
تعداد نتایج: 12878 فیلتر نتایج به سال:
چکیده ندارد.
Azadirachta indica is an important multipurpose social-forestry species moderately tolerant to salinity stress. There is an increase in the demand for saline tolerant lines of neem. In the present study, a tissue culture method was optimized to obtain callus and regenerates from nodal explants and exposed them to different levels of saline concentration in MS were selected for the determination...
The progressive reduction of the forest surface to enable land destined for other productive activities and its subsequent abandonment, allowed appearance fragments secondary forests, frequently dominated by carob trees. Prosopis alba that have been identified as a strategic biological resource Chaco Park, due characteristic multipurpose tree, which gives it high value management forests in are...
Regarding high economic and conservative values of Zagros forests, and livelihood dependency of local people these recourses, determination of sites with higher conservation index can help us to maintain biodiversity of these forests more efficiently. Therefore, 49 plots with 450 m2 in area accompanied by 1, 10 and 45 m2 subplots were taken as systematic random design in research forests of Yas...
the major purpose of this study is to assess the perception of managers in the forest, range and watershedorganization. it is an applied study by using descriptive–correlative method. a questionnaire was developedand data collected from 105 respondents. the validity and reliability of questionnaires was verified. theresults of study show that there was a relationship between educational level, ...
Detarium microcarpum Guill. & Perr. is a common multipurpose small tree species of Sudanian and Sudano-Guinean savannahs with high potential for use as fuelwood but little valued in forestry programs. The present study aimed at assessing the current local uses D. microcarpum, factors determining its determine geographical areas socio-cultural groups which most suitable integration into An e...
statement of problem: the achievement of a good and durable dentin/composite resin bond is an important task in restorative dentistry. the application of acid conditioners and dentin bonding agents is an accepted method to enhance this bond strength. pretreating of dentin surface by laser irradiation seems to be a supplemental way to obtain better results, since lased dentin is more roughened a...
The major purpose of this study is to assess the perception of managers in the Forest, Range and WatershedOrganization. It is an applied study by using descriptive–correlative method. A questionnaire was developedand data collected from 105 respondents. The validity and reliability of questionnaires was verified. Theresults of study show that there was a relationship between educational level, ...
1School of Information Science & Technology, Nanjing Forestry University, 210037 Nanjing, China. 2Danzhou Investigation & Experiment Station of Tropical Crops, Ministry of Agriculture/Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou 571737, China 3Advanced Analysis and Testing Centre, Nanjing Forestry University, 210037 Nanjing, China. 4College of Forestry, ...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید