Abstract

The experiment was carried out during the growing season 2016-2017 in Al-Muthanna to investigate  the effect of different P levels (0, 50, and 100kg. h^-1) and application times (once, twice, and three parts) on growth and yield of Bengal and Rushed wheat cultivars. 100kg.h^-1 P application showed the highest plant height (106.3 cm, plant dry weight (3.533gm), weight of 1000 seeds (60.6gm), biological yield (17.18 t.h^-1), and grain yield (6.85 t.h^-1). Broadcasting superphosphate two times gave the highest values in terms of highest plant height (101.8 cm, plant dry weight (3.396gm), weight of 1000 seeds (55.5gm), biological yield (14.24 t.h^-1), and grain yield (5.73 t.h^-1).

1. M. Saad, Agric. College, Al-Muthanna Univ.

M. H. AL-absawy Agric. College ,  Al Muthanna Unv.

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Abstract

A field experiment was carried out, during 2016-2017 growing season at research station, agric. College, Samawa to study the performance of Barley cvs. (coa, Nwewya , Nacowy potas and IPA99)  sown at four planting dates (1, 15/11 and 1,12/15.). The Results showed Nwewya was the most potent cultivar, since it gave the highest yield (5.31t.h^-1) biological yield (13.40 t.h^-1) Harvest index (39.12{8aa0d92a9d700de00931fb59e75e46e902b43698544c97f28f7bec3700555d1d})  . The best sowing date was 1^st, November, as it manifested the highest yield (6.72 t.h^-1 ), biological yield (19.98 t.h^-1), weight of 1000 seeds (37.57g), Number of fertile spikes (485.40), Neweya wheat cultivar sown on 1^st, November was the most effective treatments, they gave the highest yield (7.80 t.h^-1).

Faisal M. M. Al-Tahir, Agric. College, Al-Muthanna Univ.

Maryam Hamid Abdul-Kadhim Alkifaei, Agric. College, Al-Muthanna Univ.

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