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Effect of date of seeding on yield, lodging, maturity, and nitrogen content in cereal varietal experiments



Effect of date of seeding on yield, lodging, maturity, and nitrogen content in cereal varietal experiments



Jour Amer Soc Agron 21(7): 725-731



To obtain differential reaction when sown at different dates, 5 representative varieties, each of wheat and barley, and 2 of oats varying in maturity from early to late were sown on 4 dates at monthly intervals from December to March. The experiment was grown in replicated (4) triple-row plats in the nursery. In general, highest yields of grain were obtained from the earliest date of seeding in all 3 cereals. White Federation wheat was the highest yielding variety when sown in December, but a shift occurred in February and March in favor of Pusa 4. Vaughn barley produced a higher yield than Club Mariout in December, but in February and March the latter was outstanding among all varieties. Kanota oats produced higher yields for all dates than did California Red. Susceptible varieties were severely lodged in the early sowings. Little or no lodging occurred in the spring sowings. The maximum range in maturity in days for all dates of seeding in each cereal was 16 for wheat, 27 for barley, and 24 for oats. N content increased regularly in all wheat and barley varieties with but little variation from the earliest to the latest date.

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Accession: 024539717

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