Scholars Research Library

Scholars Research Library

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Annals of Biological Research

Abstract

Effect of INM practices on nutrient uptake and seed yield in safflower

Author(s): B. Raju*, P.C. Rao, A. Pratap Kumar Reddy and K. Rajesh

A field experiment was conducted on ‘effect of INM practices on nutrient uptake and seed yield in safflower” to study the effect of organic manures in combination with inorganic nitrogen fertilizer on uptake of major nutrients (N, P, K) and seed yield on safflower (Carthamus tinctorius L.) during rabi season 2009-10 at Students’ farm of College of Agriculture, Rajendranagar, Acharya N. G. Ranga Agricultural University, Hyderabad. The treatments consisted of 25 % and 50 % recommended dose of nitrogen fertilizer substituted by each of farm yard manure, poultry manure and vermicompost in combination with 50 % and 75 % N through inorganic fertilizer along with control (no N) and 100 N (100 per cent N through inorganic fertilizer). In total, there were eight treatments which were laid out in a randomized block design and replicated thrice. Safflower variety NARI-6 was used for the study. Among the different combinations, application of 50 % N through inorganic fertilizer + 50 % N through vermicompost (T7) resulted in higher uptakes of N, P and K by safflower at 30, 60 DAS and at harvest and seed yield (1239 kg ha-1) were observed


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