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STUDIES ON ORGANIC NUTRITION IN APPLE (Malus × domestica Borkh.)

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Title STUDIES ON ORGANIC NUTRITION IN APPLE (Malus × domestica Borkh.)
 
Creator SHIVAJIRAO, GHUMARE VIKAS
 
Contributor SHARMA, D.D.
 
Subject ---
Apples Nurition
 
Description ABSTRACT
The present investigations entitled “Study of organic nutrition in apple (Malus x
domestica Borkh.)” were conducted on farmers field at Theog and Rohru in Shimla district of
Himachal Pradesh, during the years 2011 - 2012. Fifteen years old apple trees of cultivar
Starking Delicious grown on seedling rootstock were selected on the basis of uniform vigour.
The trees were planted at a spacing of 6 x 6 m and trained on modified central leader training
system. The study was split into two experiments with an objective to elucidate the effect of
comparison of organic and inorganic plant nutrition on fruit quality parameters, leaf and soil
nutrient status in apple orchards. The first experiment was survey work of organic and
inorganic apple orchards, which were statistically analyzed on two-way analysis of data to
study the effect of locations and nutrition sources. The second field trial was conducted to find
out the nutrition requirement of fully grown apple trees through organic manures viz. FYM,
vermicompost, wood ash and neemcake in comparison to recommended dose of fertilizer
(RDF) held as control. Data was statistically analyzed using randomized block design (RBD)
with five replications in each treatment. The variations in vegetative characteristics, fruit
parameters, and leaf and soil nutrient status were studied. From first experiment, organic apple
orchards and T4 [FYM (100 kg/tree) + Vermicompost (25 kg/tree) + Wood ash (8 kg/tree) +
Neem cake (4 kg/tree)] treatment in second experiment gave 43 and 21 per cent reduction in
yield compared to inorganic orchards and recommended dose of fertilizers, respectively.
However, organic orchards and T4 treatment was most effective for producing better fruit
quality in terms of TSS, fruit firmness, total sugars, reducing sugars, titratable acidity and
secondary metabolites such as anthocyanins, phenols and antioxidants. In addition, significant
improvements in soil physical (bulk density, soil pH, MWHC, organic carbon) and biological
properties (total microbial counts) were also recorded. However, higher yield, leaf and soil
nutrients status were observed under inorganic orchards and recommended dose of fertilizers
during both the years of study. Therefore, it can be concluded that the use of organic manures
might be useful as supplement to inorganic fertilizers and helpful in improving fruit quality and
enhancing soil health with respect to physico-chemical and biological properties of the soil.
 
Date 2016-06-01T11:44:57Z
2016-06-01T11:44:57Z
2014
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/66525
 
Language en
 
Format application/pdf