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Effect of organic and inorganic fertilizers on fruit characters, quality and economics of fig production (Ficus carica L.)

Kurubar, A. R., Allolli, T. B., Naik, M. K., Angadi, S. G.
Acta horticulturae 2017 no.1173 pp. 213-216
Ficus carica, NPK fertilizers, cost benefit analysis, cultivars, fertilizer application, figs, fruit growing, fruit yield, fruits, mineral fertilizers, nonreducing sugars, nutrients, orchards, organic fertilizers, poultry manure, reducing sugars, sandy soils, titratable acidity, total soluble solids
The fig is considered to be the economically most potential and nutritionally valuable fruit crop. The role of nutrient elements either alone or in combination with other sources (organic manures/fertilizers) have been well established in many fruits crops. While such studies are very meagrely available in fig, hence this experiment was conducted on red sandy soils of fig orchard for two years in randomized block design to know the response of fig cultivar 'Poona' to different organic and inorganic sources of nutrients imposed through 13 treatments in three replications. Fig plants which were supplemented with farmyard manure (FYM) at 8.25 t ha-1 + poultry manure at 2.5 t ha-1 + 75% of NPK fertilizer (RDF) found superior with respect to fruit characters like fruit diameter (5.65 cm), fruit length (5.38 cm), number of fruits 
plant-1 (430.67), average fruit weight (45.20 g), fruit yield plant-1 (19.48 kg plant-1) and yield ha-1 (12.97 t ha-1). Among the various treatments, it was observed that the application in combinations of various organic sources along with reduced dose of organic fertilisers improved the quality attributing characters of fig fruits, however, fig plants which were supplemented with FYM at 8.25 t ha-1 + poultry manure at 2.5 t ha-1 + 75% RDF found superior over other treatments in total soluble solids (18.84%), titratable acidity (0.240%), total sugars (19.22%), reducing sugars (17.91%) and non-reducing sugars (19.00%) contents. Furthermore, the same treatment recorded higher gross and benefit cost ratio.