Hydroponic forage production of corn (Zea mays L.) under natural conditions of light deficiency.
2010
In order to evaluate the nutritive solution and cultivation methods in
Corn ( Zea mays L.), an experiment was carried out in Trujillo state,
Venezuela. hydroponic production under natural poor lighting conditions
was examined using a completely randomized block design with factorial
arrangement 2 (nutritive solutions prepared with commercial liquid
fertilizer: Nitrofoska® (A) and Quimifol® (B) x 3
(cultivation methods: absorbent paper (P), mesh (M), mesh with
absorbent paper (MP) with six treatments and ten replicates. After the
pre-germination stage 0,13 m2 plastic trays were used with 0,2 kg of
seed equivalent. Yield, height, amount of absorbed solution (CS), dry
matter (DM) and crude protein (CP) percentage were measured.
Significant interaction nutritive solution x culture method for CP
level was observed (P <0,05). Using P and MP (772 g/tray) and
solution A (754 g/tray) the highest yield was obtained. No significant
statistical differences in height (30,27 cm) with the method and CS
among treatments were observed (1377,0-1462,5 ml). The MS percentage
showed little variation among treatments (16,30 -18,20). Using P method
with B solution (18,13%) significant CP concentration was observed.
Under natural poor lighting conditions, the P method of cultivation was
more efficient for yield and CP concentration. Solution A was found to
be the most appropriate according to the yield and height results.
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