Fertilizer Effect of'3414'Experiment on Highland Barley using Wide-width Uniform Sowing in Gannan Alpine Humid Areas
In order to combine the wide-width uniform sowing technology with'3414'fertilizer efficiency test,to apply it to the highland barley planting and demonstration promotion in Gannan alpine humid areas,and to promote the development of highland barley planting industry in this region,the experiment adopted the'3414'optimal regression design and used Ganqing 9 as the indicator variety to investigate the impact of the'3414'fertilizer efficiency trial on the growth and yield of highland barley under wide-width uniform sowing conditions.A fertilizer efficiency regression equation was established between the yield of highland barley and the application rates of nitrogen,phosphorus,and potassium,to enhance fertilizer efficiency and promote high-quality and high-yield highland barley production in the alpine humid areas of Gannan.The results showed that under wide-width uniform sowing conditions,the optimal yield for Ganqing 9 was 6 640.32 kg/ha,with fertilizer application rates of N,P2O5 and K2O at 36.34 kg/ha,55.86 kg/ha and 7.09 kg/ha,respectively.The maximum yield was 6 834.09 kg/ha,with application rates of N,P2O5 and K2O at 80.66 kg/ha,P2O5 62.31 kg/ha and K2O 16.58 kg/ha,respectively.The fit between the fertilizer application rates and yield in the fertilizer efficiency regression equation was significant,making it applicable to field production.
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