EFFECT OF APPLYING BOIFERTILIZER IN COMBINATION WITH SOME ORGANIC OR MINERAL ONES ON GROWTH AND CHEMICAL CONSTITUENTS OF MARJORAM "ORIGANUM MAJORANA L.,' PLANTS

Document Type : Research articles.

Authors

1 Dep. of Hort., Ministry of Education Fayoum, Egypt

2 Dep. of Soil and water, Fac. of Agric., Fayoum Univ., Egypt

Abstract

A filed experiments was carried out during two successive seasons
of 2005/2006 and 2006/2007 to study the effect of applying biofertilizer
(active dry yeast) as foliar spray at rates 0, 1, 2 and 3 g/L, alone or with
the recommended doses of "NPK" as mineral fertilizers at the rates of
(400 Kg/fed ammonium sulphate + 200 Kg/ fed calcium superphosphate+ 100kg/fed. potassium sulphate) or three forms of organic
manure (farmyard ''FYM''; poultry ''PM'' and sheep manures "SM") at a
rate 25 m3/fed. on growth and chemical constituents of marjoram
(Origanum majorana L.,) plants which grown by terminal cuttings.
The obtained results indicated that growth parameters (i.e., plant
height, number of branch, fresh weight of herb, yield of herb dried air
weight /plant, yield of leaves dried air weight /fed., number of
roots/plant) as well as chemical constituents (essential oil %, oil yield
per plant or feddan, total carbohydrates, N, P, K, Fe and Zn content of
the herb) were significantly increased by applying biofertilizer (active
dry yeast spray), mineral "NPK" and organic manures. Similar results
were observed by using combined treatments of active dry yeast with
the organic manures. Application of both mineral "NPK" or poultry
manure gave the best values of growth parameters (plant height,
number of branch, fresh weight of herb, herb dried air yield
weight/plant, leaves dried air yield weight/fed. number of roots/plant)
as well as chemical constituents (essential oil percentage, oil yield per
plant and per feddan). Poultry manure gave the best results for N, P and
K (%), Fe and Zn (mg/g). and total carbohydrate contents in the cuts
than the other treatments. In addition the effect of active dry yeast
combined with either mineral "NPK" or poultry manure was
statistically insignificant on all studied growth parameters. So it could
be recommended with using biofertilizer (active dry yeast spray) at rate
2 g/L. combined with poultry manure at rate 25 m3/fed. to get the
highest growth rate of marjoram with favorable chemical constituents.

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