Studies on effect of different organic manures on growth yield and quality of onion (allium cepa L.)
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Date
2015-05-30
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Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani
Abstract
The present investigation entitled “Studies on effect of different
organic manures on growth, yield and quality of onion {Allium cepa L.)” was carried
out during kharif season-2014 at the Instructional-Cum-Research Farm, Department
of Horticulture, College of Agriculture, Latur. The experiment framed was intended to
study the effect of different organic manures on growth, yield and quality of onion.
The onion variety ‘N-53’ was used for the study. The experiment was laid out in
Randomized Block Design (RBD) with eleven treatments of different organic
manures comprises Control 100% N through urea (Ti), 100% N through FYM (T2),
100% N through vermicompost (T3), 100% N through poultry manure (T»), 100% N
through neem cake (T5), 50% N through FYM + 50% N through vermicompost (Tg),
50% N through FYM + 50% N through poultry manure (T7), 50% N through FYM +
50% N through neem cake (Tg), 50% N through vermicompost + 50% N through
poultry manure (T9), 50% N through vermicompost + 50% N through neem cake (T10)
and 50% N through poultry manure + 50% N through neem cake (Tn) replicated
thrice. The periodical observations on growth yield and quality parameters were
recorded.
The results of the present investigation indicated that, the combined
application of organic manures has significant influence the growth, yield and quality
CONTD
parameters of onion as regards to the treatment 50% N through poultry manure +
50% N through neem cake (Tn) was found superior for most of the traits under study
and it was at par with treatment T9, T7 and Tj. The maximum values of growth
parameters like plant height (57.18 cm) and number of leaves (9.90) at harvest were
recorded in treatment (Tn). The yield contributing characters like weight of bulb
(126.64 g), yield per plot (19.49 kg), yield per hectare (54.13 t) and quality
parameters like total soluble solid (12.73%), total sugar (11.41%), were maximum in
treatment 50% N through vermicompost + 50% N through poultry manure (T9) and
found significantly superior over other treatments. The economic study showed that,
for an area of one hectare the higher values of gross monetary returns (Rs. 5,41,300)
and net monetary returns (Rs.3,49,194) in treatments (T9) and maximum B: C (3.23)
ratio were observed in the treatment Ti and it was closely followed by (2.81) in
treatment of (T9).
Hence, it can be concluded that, for getting optimum growth, higher
yield, better quality with maximum monetary returns and B: C ratio in respect of
organic manures from the onion, the crop should be supplied with the recommended
dose of N,P,K, fertilizers (100:50:50 kg/ha), in which the 50% quantity of N should
applied through vermicompost and 50% N through poultry manure.
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