Hydroponics
is proven technology for commercial cultivation. Now the technologies is been
explored for its suitability for commercial greens. Experiments have shown that hydroponically
grown aromatic plants have higher productivity, in addition to accumulate 3–6
times more essential oil per unit of feeding surface, compared with field grown
ones. The root environment of hydroponic plants is abundantly provided with
water, nutrients and air, with a corresponding increase of the metabolic and
absorbing activity of roots, which, in its turn, initiates development of plant
over ground part with increasing biological and economical productivity several
folds.
Grass Suits
for Hydroponics System
Palmarosa
Palmarosa (Cymbopogon martinii) is a widely
distributed plant in India that yields a sweet, fragrant, aromatic oil. The flowering
tops and foliage contain a sweet-smelling oil that emits a rose-like odor and
is widely used in soaps, cosmetics, and perfumery industries. Oil of palmarosa
is used in perfumery, particularly for flavoring tobacco and for the blending
of
Soaps.
The plants
attain a height of 150–200 cm with dense root growth. The
harvesting spawn is near about 3 years. In optimal conditions harvesting may be
started in 75 days. 3 cuttings are made during the first year of planting. From
the second year onward, three to five cuttings are possible. From second year
up to 5 cuttings are possible.
Lemongrass
It is a perennial, multicut aromatic grass that
yields an essential oil used in perfumery and pharmaceutical industries and
vitamin. Lemongrass is widely used in Thai and Vietnamese cooking. Valued for
its exotic citrus fragrance, it is commercially used in soaps, perfumes,
cosmetics, and disinfectants, and is a raw material for manufacturing ionones
and vitamin A.
During the
first year of planting, three cuttings are obtained and, subsequently, five to
six cuttings per year are taken, The plants attain a height of 200 cm. During
the first year of planting, three cuttings are obtained and, subsequently, five
to six cuttings per year are taken, up to 3 years.
Citronella
Citronella Citronella is a perennial,
multiharvest aromatic grass, the shoot biomass of which, on steam distillation,
yields an essential oil extensively used in fragrance and flavor industries.
The oil is widely used in perfumery, soaps, detergents, industrial polishes,
cleaning compounds, and other industrial products. In optimum condition it can
grow upto 200 cm high. Its multi harvest plants and harvesting intervals can be
45 to 60 days.
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