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Effect of Some agronomic practices on seed yield and its Attributes of two Egyptian clover cultivars [electronic resource].

By:

El-Nouby, A. M. A

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Language: English Summary language: Arabic Description: p.19-28Other title:

تأثير بعض المعاملات الزراعية على محصول البذور ومكوناته لصنفين من البرسيم المصرى [Added title page title]

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Agricultural research journal, Suez Canal University, 2008 v.8(2) [electronic resource].

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In: Agricultural Research Journal, Suez Canal University 2008 v.8(2)Summary: Two field experiments were conducted at experimental farm, Faculty of Agriculture, Suez Canal University at Ismailia Governorate during 2004/05 and 2005/06 seasons under sandy soil conditions and surface irrigation system. The experimentation aimed to study the response of two Egyptian clovers cultivars(Gemeza 1 and Local cv) to five fertilization treatments (7.75 kg P₂O₅, 15.5 kg P₂O₅, 31.0 kg P₂O₅, 7.75 kg P₂O₅+ microbein and 15.5 kg P₂O₅+ microbein)/fad under three cutting systems (lst system: taking 3cuts/season with last cut for forage on 15th March, 2nd system: taking 3-4 cuts/season with last cut for forage on 1st of April and 3rd system: taking 4 cuts/season with last cut on 15th April). First system resulted the highest seed yield (161.6 and 169.7 kg/fad) and recorded the highest values of yield components regarding number of heads/plant, seed wt/ I00 heads and seed wt/plant followed by 2nd system (154.4 and 149.0 kg/fad) followed by 3rd system (132.9 and 135.5 kg/fad) in the two seasons, respectively. Cutting systems didn't affect significantly specific seed weight. Applying 31 kg P₂O₅/fad followed by 15.5 kg P₂O₅/fad +microbein produced the highest seed yield and its attributes. In first season, Local cv fertilized with 31 kg P₂O₅/fad with clipping last cut for forage on l5th March recorded the highest seed yield (190.7 kg/fad), while in 2nd season that was recorded with Gemeza 1 (192.3 kg/fad) under the same cutting system and fertilization treatment. The two varieties didn't differ significantly from each other in all seed yield attributes. Neither the three cutting systems nor the five studied fertilization treatments had significant effect on the germenability of the resulted seeds. However, seeds resulted under 2nd system gave seedlings more vigorous in their growth as expressed by plumula length and root length: Applying 31 kg P₂O₅/fad gave seeds prevalent most vigorous seedlings. The two investigated varieties didn't differ significantly from each other in their seeds viability.

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Two field experiments were conducted at experimental farm, Faculty of Agriculture, Suez Canal University at Ismailia Governorate during 2004/05 and 2005/06 seasons under sandy soil conditions and surface irrigation system. The experimentation aimed to study the response of two Egyptian clovers cultivars(Gemeza 1 and Local cv) to five fertilization treatments (7.75 kg P₂O₅, 15.5 kg P₂O₅, 31.0 kg P₂O₅, 7.75 kg P₂O₅+ microbein and 15.5 kg P₂O₅+ microbein)/fad under three cutting systems (lst system: taking 3cuts/season with last cut for forage on 15th March, 2nd system: taking 3-4 cuts/season with last cut for forage on 1st of April and 3rd system: taking 4 cuts/season with last cut on 15th April). First system resulted the highest seed yield (161.6 and 169.7 kg/fad) and recorded the highest values of yield components regarding number of heads/plant, seed wt/ I00 heads and seed wt/plant followed by 2nd system (154.4 and 149.0 kg/fad) followed by 3rd system (132.9 and 135.5 kg/fad) in the two seasons, respectively. Cutting systems didn't affect significantly specific seed weight. Applying 31 kg P₂O₅/fad followed by 15.5 kg P₂O₅/fad +microbein produced the highest seed yield and its attributes. In first season, Local cv fertilized with 31 kg P₂O₅/fad with clipping last cut for forage on l5th March recorded the highest seed yield (190.7 kg/fad), while in 2nd season that was recorded with Gemeza 1 (192.3 kg/fad) under the same cutting system and fertilization treatment. The two varieties didn't differ significantly from each other in all seed yield attributes. Neither the three cutting systems nor the five studied fertilization treatments had significant effect on the germenability of the resulted seeds. However, seeds resulted under 2nd system gave seedlings more vigorous in their growth as expressed by plumula length and root length: Applying 31 kg P₂O₅/fad gave seeds prevalent most vigorous seedlings. The two investigated varieties didn't differ significantly from each other in their seeds viability.

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