22. Nitrogen sources and Bioaab inclined yield and nutrients uptake specifically in Triticum aestivum

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Imran Azeem Adnan Anwar Khan Hamida Bibi Kamran Azeem Farah Naz Ibadullah . Kashif Khan Syed Aizaz Ali Shah Kamran Shah

Abstract

Low dose of nitrogen application leads to less growth and yield, high dose leads to crop burn, organic and inorganic fertilization is another major concern for recent growers and consumers. To understand this phenomenon current experiment consisted of thirteen treatments of organic (FYM) and inorganic (urea) ratios (0:100, 20:80, 40:60, 60:40, 80:20 and 100:0) with and without Bioaab and control was conducted at New Developmental Research Farm, The University of Agriculture, Peshawar. Two factorial, Randomized complete block (RCBD) was used with plan mean comparison having three replications. Basal dose of P and K were applied @ 90 kg ha-1 and 60 kg ha-1 respectively at the time of sowing. Application of Bioaab significantly enhanced grain yield (3247 kg ha-1), total dry matter (8993 kg ha-1), plant height (92.1 cm), spike length (10.1 cm), grain spike-1 (52), thousand grain weight (46.2 g), soil electrical conductivity (0.29 dSm-1), soil organic matter (1.34 %), soil nitrogen (2669 mg kg-1), plant nitrogen (1.56 mg kg-1) and uptake of nitrogen (143.47 kg ha-1). Application of organic and inorganic ratio 60:40 significantly increased grain yield (3695.8 kg ha-1), total dry matter (9806.3 kg ha-1), plant height (97.9 cm), spike length (10.5 cm), grain spike-1 (59.2), thousand grain weight (48.3 g), soil nitrogen (2791 mg kg-1), plant nitrogen (1.78 %), uptake of nitrogen (174.86 kg ha-1). However, soil organic matter (1.45 %) and electrical conductivity (0.30 dS m-1) were observed with application of N from sole organic source.  Results indicates that application of Bioaab with 60:40 organic and inorganic ratios increase yield, nutrients uptake and ultimately production in wheat.


Keywords: Bioaab; Inorganic; Nitrogen; Organic; Wheat


http://dx.doi.org/10.19045/bspab.2019.80178

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