Nutrient and Seed Rate Effect on Yield and Yield Contributing Characters of Wheat at Agro-Climatic (subtropical) condition of Faisalabad

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A field study was conducted to evaluate the effect of different seed rates and nutrition on the yield of wheat; at Agronomic research area, University of Agriculture Faisalabad during 2008-2009.The experiment was laid out in a split plot design with three replications. The treatment comprises four different fertilizer level F0( Control no fertilizer), F1 ( 100-115-67 NPK kg ha-1 ), F2 ( 115-130-82 NPK kg ha-1) and F3 ( 130-145-97 NPK kg ha-1) with three different seed rate S1 (100 kg ha-1), S2( 125 kg ha-1), S3( 150 kg ha-1).Wheat variety Shafaq-2006 was planted. Results showed that different fertilizer level and seed rates affected significantly the various parameters under study especially ,plant height, spike length, number of spikelets spike-1, 1000-grain weight, economical yield and harvest index. Among the seed rates, 125 kg ha 1 produced significantly the highest grains yield (4.30 t ha-1) followed by 150 kg ha 1 seed rate (3.87 t ha-1).Regarding nutrition, F2 (115-130-82 NPK kg ha-1) fertilizer level produced significantly the highest grain yield (4.85 t ha-1

Keywords: Wheat; Seed rate, Fertilizer level; Yield

Introduction

Wheat (Triticum aestivum L.) is the most important cereal crop in the world, and is a staple food of about one third of the world’s population including Pakistan. In Pakistan wheat is the most important cereal crop both in terms of production and area under cultivation.Wheat was cultivated on an area of 9062 thousand hectares, showing an increase of 5.9 percent over last year’s area of 8550 thousand hectares. The size of wheat crop is provisionally estimated at 23.4 million tons (Government of Pakistan, 2009).

In Punjab (Pakistan), there are predominantly cotton-wheat-cotton and rice-wh...

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