Section 7
Chapter 6,648

The effect of irrigation and nitrogen fertilization on yield yield components and water use efficiency of semi dwarf wheat and barley at two dates of seeding

Singh, K.P.; Kumar, V.

East African Agricultural and Forestry Journal 52(2): 68-73


ISSN/ISBN: 2313-450X
Accession: 006647142

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Response of timely and late seeded wheat (Triticum aestivum L.) and barley (Hordeum vulgare L.) to three levels of irrigation and four rates of nitrogen was investigated under preseeding irrigation. Wheat significantly outyielded barley under favourable soil moisture regime and timely seeding while barley excelled over wheat when seeded late and severely water stressed. Grain yield reduction in wheat and barley as a result of severe water stress was caused by a decrease in the number of ears, number of grains, and 1,000-grain weight. Nitrogen fertilization increased grain yield of wheat and barley linearly but had no significant effect on water use. Response of timely seeded dwarf wheat and barley to nitrogen was more than double compared to late seeding. These results indicate the possibilities of considerable increase in water-use efficiency by N fertilization provided protective irrigations are timely at the critical stages and the crops are planted on time.

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