EFFECT OF VARIETIES AND DIFFERENT PRECISION NUTRIENT MANAGEMENT PRACTICES ON PERFORMANCE OF BARLEY
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 53
Abstract
Different novel approaches of nutrient managements are used to improve the performance of barley (Hordeum vulgare L.) under environmental constraints. The objectives of this study were to evaluate the growth, yield attributes and yield of barley. Three different barley varieties (RD 2035, RD 2552 and RD 2786)were evaluated for 2 years (2014 and 2015) with five different precision nutrient management practices using replicated trial. Precision nutrient management practices involved PNMP1: RDF – half N, full P2O5 and K2O as basal + remaining half N as top dressing after first irrigation; PNMP2: RDF – half N, full P2O5 and K2O as basal + remaining half N as top dressing before first irrigation; PNMP3: 50 % of recommended N and full P2O5 and K2O as basal + Green Seeker based N top dressing after first irrigation; PNMP4: 70 % of recommended N and full P2O5 and K2O as basal + Green Seeker based N top dressing after first irrigation; and PNMP5: Soil Test Crop Response. Yield traits were measured as plant height, total tillers, ear length, grain weight, yield and harvest index. Varieties RD 2035 and 2552 recorded the highest plant heights (at 60 DAS and harvest) and number of total tillers, ear length, grain weight ear-1, grain, straw and biological yield, respectively. Nutrient management practices PNMP5 and PNMP4 recorded highest yield and yield attributes, and can be used interchangeably.
Authors and Affiliations
H. MALI
Keywords
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