Studying The Effect of Planting Method , Kind of Fertilizer on The Yield of Marjoram ( Majorana hortensis Moench. ) and Thyme ( Thymus vulgaris L. ) Plants
Al-Qadisiyah Journal For Agriculture Sciences,
2012, Volume 2, Issue 2, Pages 43-61
AbstractThis research is conducted in a private field at Abu – Gharak , Babylon Province
, during two seasons ( 2009 & 2010 ), to study the effect of two planting
methods and kind of fertilizer on the yield , essential oil quantity in Marjoram
and Thyme plants .
Two field experiments are conduct by using randomized complete block design
(RCBD) with three factors in are replicates , factor (A) represent planting
method , (B) Nitrogen fertilizer , and (C) Iron fertilizer . The experimental units
represented by (one plot & four furrows ) . The Volatile oil extracted from theleaves and the flowers tops by hydro distillation method using Clevenger
apparatus , the volatile oil samples from the two plants were analyzed by (GLC).
The results obtain indicated that , there are significant effect for the fertilization
with Nitrogen and Iron on the growth , volatile oil quantity and percentage of
some oil components of Marjoram plants during the two seasons . Also foliar
application with Nitrogen & Iron elements produced high quantities of dry
matter and volatile oil in Marjoram plants that grown in furrows during the two
seasons , in addition , that foliar application with nitrogen raised Sabenene &
Terpenene percentages in the Marjoram oil .
The results during (2009 ) show that foliar application of nitrogen on Thyme
plants grown in plots with soil application with Iron produced high quantity of
dry matter and high volatile oil content comparing with the control .
In (2010) the results indicate that foliar application with nitrogen and iron to
Thyme plants that planted on furrows significantly affected the dry matter . In
addition , that high quantity of volatile oil produced in thymus plants due to the
foliar application with nitrogen and iron , also this application raised the two
aromatic compounds ( Thymol & Carvacrol ) percentages in Thyme oil
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