Effects of soil compaction on seedling morphology, growth, and architecture of chestnut-leaved oak (Quercus castaneifolia)
نویسندگان
چکیده
منابع مشابه
the effects of soil compaction on morphology and biomass variables of chestnut-leaved oak (quercus castaneifolia c.a.m.) in greenhouse situations
the use of heavy machinery in forestry operations such as logging has increased worldwide during the last decades. however, these machines may seriously influence the soil ecosystem as they induce rutting, disturbing the upper soil layers, and soil compaction. severe compaction of soil adversely affects the growth of plants.this study was done by using a penetration resistance experiment in a g...
متن کاملA revision of chestnut-leaved oak (Quercus castaneifolia C. A. Mey.; Fagaceae) in Hyrcanian Forests of Iran
Chestnut-leaved oak (Quercus castaneifolia C. A. Mey) is one of the most important native oaks of Iran distributed in the Hyrcanian Forests. The pure and mixed stands of it cover about 6.5% of these forests. The species represents morphological variations which have resulted in the description of several infraspecific taxa by different authors. Eight taxa were recognized as subspecies and varie...
متن کاملisolation and identification of fungi associated with chestnut-leaved oak (quercus castaneifolia) seed in shast-kalate forest of gorgan
chestnut-leaved oak (quercus castaneifolia) is one of the most important industrial species of the northern forests of iran. regeneration of this valuable species is limited due to several problems such us pests and the fungal diseases. in order to isolate and identify the fungi associated with oak seed, sampling was carried out during 2007 in shast-kalate forest at gorgan. collected seeds were...
متن کاملa revision of chestnut-leaved oak (quercus castaneifolia c. a. mey.; fagaceae) in hyrcanian forests of iran
chestnut-leaved oak (quercus castaneifolia c. a. mey) is one of the most important native oaks of iran distributed in the hyrcanian forests. the pure and mixed stands of it cover about 6.5% of these forests. the species represents morphological variations which have resulted in the description of several infraspecific taxa by different authors. eight taxa were recognized as subspecies and varie...
متن کاملthe effects of planning on accuracy and complexity of iranian efl students’ written narrative task performance
this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...
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ژورنال
عنوان ژورنال: iForest - Biogeosciences and Forestry
سال: 2017
ISSN: 1971-7458
DOI: 10.3832/ifor1724-009