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Effect of row spacing rates of seeding and nitrogen fertilizer on yield yield components and protein percentage in wheat triticum aestivum ssp vulgare cultivar giza 157



Effect of row spacing rates of seeding and nitrogen fertilizer on yield yield components and protein percentage in wheat triticum aestivum ssp vulgare cultivar giza 157



Ain Shams University Faculty of Agriculture Research Bulletin (1429): 1-31



The effect of row spacings (10, 20 and 30 cm between rows), seeding rates (37.5, 50.0, 62.5 and 75 kg/feddan) and N levels (0, 30, 60 and 90 kg/feddan) on yield, yield components and protein content in grains of 'Giza 157' wheat was studied during 1978/1979 and 1979/1980. The highest grain yield/feddan was obtained by applying 30 cm between rows. The application of 62.5 and 75 kg seeds gave the highest grain yield/feddan in 1978/1979 and 1979/1980 seasons, respectively. Increasing N levels from 0 up to 30, 60 and 90 kg significantly increased grain and straw yield per feddan. The highest straw yield was obtained by applying 75.0 kg seeds/feddan. Plant height and number of spikes/m2 significantly increased with N levels up to 90 kg/feddan. The application of 75.0 and 62.5 kg seeds/feddan gave the highest number of spikes/m2 in the 1st and 2nd seasons, respectively. Increasing N levels from 0 up to 30, 60 and 90 kg/feedan significantly increased spike length, number of spikelets/spike, i.e., grain weight and protein percentage. The highest value of protein percentage was obtained by applying 75.0 and 62.5 kg seeds/feddan in 1978/1979 and 1979/1980 seasons, respectively.

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