Abstract
To evaluate the effect of different levels of nitrogen on growth and yield of wheat a field experiment was conducted in 2017-18 at research area of cereals and pulses section, Ayyub agricultural research institute, Faisalabad. Eight levels of nitrogen i.e. 0, 29, 58, 87, 116, 145, 174, 203 kg ha-1 were evaluated. Experiment was laid out under randomized complete block design (RCBD) with three replications with a net plot size of 10×5m. Data were recorded for growth and yield parameters like number of tillers, plant height, spiklets per spike, seeds per spike, biological yield, 1000 grain weight, grain yield and harvest index. Different levels of nitrogen significantly increased all the growth and yield parameters. Maximum number of tillers, highest plant height and biological yield was recorded from the treatment where nitrogen was applied @ 203 Kg ha-1 while 1000 grain yield, seeds per spike and grain yield was achieved highest from where nitrogen applied @ 145 Kg ha-1.
Highlights
Wheat (Triticum aestivum L.) has the highest importance among the crops grown for the grain purpose worldwide
To evaluate the effect of different nitrogen levels on growth and yield of wheat (Triticum aestivum L.) an experiment was conducted in the research area of cereals and pulses section, Agronomic research institute, Ayyub agriculture research institute Faisalabad during Rabi 2017- 18
Data was recorded for the growth and yield contributing parameters like number of tillers m-2, plant height, biological yield, number of spikelets per spike, number of seeds per spike, 1000 grain weight, grain yield and harvest index
Summary
Wheat (Triticum aestivum L.) has the highest importance among the crops grown for the grain purpose worldwide. It is used as a staple food by 10 billion individuals over all the world mainly in 43 countries and contributing 30% to overall grain demand of the world standing at top in cereal crops. It gives around 20% of the aggregate food calories for mankind [1]. Being a main source of food for the people Pakistan, wheat is grown on a large area to fulfill its requirement. According to economic survey of Pakistan, the total cultivated area under wheat was 8.734 million ha which was 2.6 % less in comparison to the last year cultivated area of
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