نتایج جستجو برای: peat moss perlit with four replications after 15 weeks
تعداد نتایج: 9916985 فیلتر نتایج به سال:
The present study was conducted to evaluate the effect of different growing mediums {sand, peat moss, and mix (sand + moss 1:1 v/v)} spraying with 0,100 150 mg L-1 humic acid on vegetative root parameters “Wonderful” pomegranate hardwood cuttings at Bakrejo nursery station, Sulaimania city, Iraq in 2021. They were planted polyethylene black bags 15-3-2021. Using randomized complete block design...
Lichen, moss and peat control of C, nutrient and trace metal regime in lakes of permafrost peatlands
Permafrost thaw in continental lowlands produces large number of thermokarst (thaw) lakes, which act as a major regulator carbon (C) storage sediments and C emission the atmosphere. Here we studied lakes NE European permafrost peatlands - shallow water bodies located within frozen peat bogs receiving majority their input from lateral (surface) runoff. We also conducted mesocosm experiments via ...
to study the effect of different substrates on growth and yield of gerbera, this experiment was carried out as randomized completely block design with 14 treatments and 3 replications. treatments were as fallowing: fine sand, peat+fine sand (25%+75%), peat+fine sand (50%+50%), perlite+peat (75%+25%), perlite+peat (50%+50%), perlite+peat (25% +75%), perlite+peat+expanded clay (25%+70%+5%), perli...
In this climate impacted world, there is an increasing need for countries facing potential water extremes to improve the reuse of grey and storm water. By implementing best management practices treatment stormwater urban run-off, contaminants can be removed, recycled reused. The effectiveness by clogging equipment or where contaminant storage exceeds performance design. Poorly untreated runoff ...
This research was conducted in order to investigate the possibility of using palm wastes compost as substrate for cultivation of Dieffebnbachia amoena at five levels (ratio of 0, 25, 50, 75 and 100% v/v as substitute for peat) and peat: perlite (4:1) treatment as control, as a randomized complete blocks design with three replications. Chemical and biological properties of palm wastes compost, p...
abstract the following study, in the first place, attempted to examine the effect of less experienced teachers participation in experienced teachers classes on their own skills and teaching methodology, in the second place, attempted to find out the role of teachers training in students achievements. for this purpose, 21 efl teachers were selected according to available sampling in kish l...
this study investigated (a) the learners’ existing reading strategy repertoire, (b) the effect of instruction in reading strategies on learners’ strategic performance, and (c) the effect of explicit instruction in top-down reading strategies on reading comprehension ability of intermediate learners. the study was conducted with 40 intermediate efl learners in two groups of experimental and cont...
Sundberg, S. 2000. The ecological significance of sexual reproduction in peat mosses (Sphagnum). Acta Universitatis Upsaliensis. Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 581. 37 pp. Uppsala. ISBN 91-554-4847-X. Peat mosses (Sphagnum) are widely distributed and are a major component of mire vegetation and peat throughout the boreal and temperate...
the effect of different ratio of vermicompost (0, 10, 20, 30, 40 & 50 %) in two type of substrate (coco peat and coco peat-perlite (50:50 v:v)) on growth characteristics of gooseberry (physalis peruviana l.) seedling was investigated in research greenhouse of university of tehran, in 2013. a factorial experiment based on completely randomized design with four replications was carried out. crite...
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