نتایج جستجو برای: root ratio
تعداد نتایج: 633922 فیلتر نتایج به سال:
Licorice root pulp is an organic waste which may be used as a growth medium in soilless culture. A research was conducted in a completely randomized design with 8 replications to assess the efficiency of licorice root pulp as a growth medium for strawberry plant (Selva cv.) under greenhouse conditions for three months. In this experiment, four ratios (v/v) of perlite:licorice root pulp (75:25, ...
This study was carried out to evaluate drought stress tolerance in Thymus kotschyanus accessions using a factorial experiment based on a Completely Randomized Design (CRD) with 5 replications during 2013-2014 in Qom, Iran. The first factor was the accession with 17 levels and the second factor was drought stress with three levels of irrigation including 80% (control), 60% and 40% Field Capacity...
The experiment was arranged based on a completely randomized block design, with two replicates in hydroponic conditions at The University of Zabol in 2013.In present study, 72 barley double haploid lines along with two parents were experimented. The measured traits including: fresh and dry weight of root and shoot and their ratio, length of root and shoot and their ratio, length of the lar...
Some chemical characteristics of root, shoot and litter of index species such as Salsola rigida, Artemisia sieberi and Stipa barbata commonly used in rangeland development projects were evaluated and compared. Chemical properties of soil under and between the above mentioned species were also studied. For this purpose, vegetation types of Stipa barbata and Artemisia sieberi - Salsola rigida wer...
The lack of light and shadow created by the development of human artificial and shade of the trees in landscapes are the one of the main challenge facing the lawn as one of the main components of urban landscapes. In this study, the effects of different shade levels (0, 50, 70 and 90%) on the appearance and morphological characteristics of wheatgrass (Agropyron deserturumL.) and tall fescue (Fe...
In order to evaluation of morphological selection criteria for salt tolerance screening in wheat (T. aestivum L.) a factorial experiment based on completely randomized design in 3 replications were conducted under greenhouse condition. Salinity treatments involved 4 levels: S=1.3dSm-1 (control), 5, 10, 15 dSm-1 from calcium chloride and sodium chloride with 10:1 (Na: Ca ratio) and another facto...
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