STUDIES ON EFFECT OF INTEGRATED NUTRIENT MANAGEMENT IN SWEET PEPPER (Capsicum annuum L.)
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Date
2016
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ABSTRACT The present investigation entitled “Studies on effect of integrated nutrient management in sweet pepper (Capsicum annuum L.)” was carried out at the Experimental Farm of the Department of Vegetable Science, Dr Y S Parmar University of Horticulture and Forestry, Nauni, Solan, (HP) during Kharif season of the year 2015 with the objective to evolve integrated plant nutrient supply system for higher productivity of sweet pepper on sustainable basis. The experiment was laid out in a randomized complete block design with three replications comprising fifteen treatments viz. T1: RPF = (RDF (100 N: 75 P: 55 K kg/ha) + FYM 20 t/ha)), T2: 75 % NP + VC@ 2.5 t/ha, T3: 50 % NP + VC@ 2.5 t/ha, T4: 75 % NP + EC@ 2.5 t/ha, T5: 50 % NP + EC@ 2.5 t/ha, T6: 75 % NP + PGPR, T7: 50 % NP + PGPR, T8: 75 % NP + VC@ 2.5 t/ha + PGPR, T9: 50 % NP + VC@ 2.5 t/ha + PGPR, T10: 75 % NP + EC@ 2.5 t/ha + PGPR, T11: 50 % NP + EC@ 2.5 t/ha + PGPR, T12: 75 % NP + VC and EC @ 2.5 t/ha, T13: 50 % NP + VC and EC @ 2.5 t/ha, T14: 75 % NP + VC and EC @ 2.5 t/ha + PGPR, T15: 50 % NP + VC and EC @ 2.5 t/ha + PGPR. The recommended potash and FYM were given as basal application across all treatments plots. The seedlings were transplanted at a spacing of 60 x 45 cm in 3.0 x 1.8 m size plots. Integrated use of fertilizers, organic manures and PGPR significantly influenced yield and plant growth attributes of sweet pepper. The conjoint use of 75 % recommended dose of NP + Vermicompost and Enriched compost @ 2.5 t/ha + PGPR (T14) resulted in significantly maximum fruit weight (50.37 g), number of fruits per plant (26.05), fruit yield/plot (23.57 kg/ha) and fruit yield/ha (371.01 q/ha). This treatment recorded 60.89 per cent increase in yield over recommended practice (T1) along with highest net returns (Rs.4, 00,641/-) besides increase in the quality parameters (TSS and ascorbic acid) and available primary nutrient contents also. From present investigation, it can be concluded that above integrated combination of chemical fertilizers, organic manures (VC and EC) and PGPR resulted in saving of 25 % chemical fertilizers (NP), better growth, higher yield, net returns and enhanced soil health as evident by post harvest soil fertility status. Therefore, on the basis of present study, it is concluded that the treatment T14 (75 % NP + VC and EC@ 2.5 t/ha + PGPR) along with full recommended potash and FYM as basal application enhanced growth, yield and quality of sweet pepper production in mid hills of Himachal Pradesh.
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sweet pepper (Capsicum annuum L.),nutrient management