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MAXIMIZING WATER AND N FERTILIZER USE EFFICIENCIES UNDER WHEAT CROP AT NORTH DELTA

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Last updated: 04 Jan 2025

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Abstract

Field experiment was conducted during 2007 cultivation season at Sakha Agricultural Research Station farm, Kafr El-Sheikh Governorate. Split plot design was used; main plots were arranged for irrigation treatments (6 treatments), namely: surface irrigation (I1) floppy sprinkler (I2) , semipertable (I3) , minisprinkler (I4) ,surface drip (I5) and subsurface drip (I6). Sub plots were subjected for nitrogen fertilization treatments (5 levels), namely: 100% soil application (N1), 100% fertigation (N2), 75 % fertigation +25 % soil application (N3), 50% fertigation + 50% soil application (N4) and 25% fertigation + 75% soil application (N5). Results could be summarized as follows: The lowest value of water applied to wheat (36.59 cm) was achieved under sub surface drip system. On the other side, the highest value of water applied to wheat (57.68 cm) is recorded with surface irrigation system. The highest amount of water stored under wheat crop was 43.68 cm for surface irrigation system and the lowest amount was (33.21 cm) for subsurface drip system. The actual water consumptive use increased with surface irrigation system to the maximum value (43.61 cm). while the minimum value was recorded with subsurface drip system (32.86 cm). The extraction of the soil moisture by wheat roots from the top layer with surface drip irrigation was higher than that with subsurface drip system, the highest irrigation application efficiency (90.75%) was achieved by subsurface drip system compared to the lowest value (74.79%) which obtained with the control (surface irrigation). The highest values of FWUE to wheat (2.05 kgm-3) was recorded with minisprinkler and the lowest (1.39 kgm-3) was achieved under floppy sprinkler system. The highest value of CWUE to wheat (2.30 kgm-3) was resulted from minisprinkler system and the lowest (0.95 kg/m3) was achieved under surface drip system. Subsurface drip system recorded the highest value of (WDE 90%). Also, The lowest value of WDE% (68 %) was recorded with flood irrigation system. Surface irrigation method gave the highest grain and straw yield (3894 and 4117 kg fed -1). The lowest yield was obtained by surface drip. Increasing nitrogen addition N2(100% fertigation) produced the highest wheat grain and straw yield (3158.36 and 3445.44 kg fed -1). There were high significant differences among irrigation systems on leaf area, spike length and number of kernels/spike. The highest value of nitrogen use efficiency to wheat grain (45.55) was recorded under I1 system and the lowest (25.67) was achieved under I6 system. The highest value of N-recovery to grain wheat (68.76%) was recorded with I3(minisprinkler) and the lowest (32.89%) was achieved under I6. Increasing nitrogen units led to an increase in nitrogen use efficiency attributed to N2 (100% fertigation) was higher than the same obtained in N1 (100% soil application).The highest values of nitrogen use efficiency were obtained by I3 N2 (46.84%), and the lowest one was detected under I6 N1 (22.44%), N- recovery increased with increasing N level.  The highest value of N recovery % was found under I1 N2 and the lowest one was found under I6 N1.

DOI

10.21608/jssae.2011.55672

Authors

First Name

H. A.

Last Name

Sonbol

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Affiliation

Fac. Agric., Mans. Univ.

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Orcid

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First Name

Z. M.

Last Name

El-Sirafy

MiddleName

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Affiliation

Fac. Agric., Mans. Univ.

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First Name

E. A. E.

Last Name

Gazia

MiddleName

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Affiliation

Soil, Water and Environment Research Institute

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City

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Orcid

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First Name

H. A.

Last Name

Shams El-Din

MiddleName

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Affiliation

Soil, Water and Environment Research Institute

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City

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Orcid

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First Name

Sahar H.

Last Name

Rashed

MiddleName

-

Affiliation

Soil, Water and Environment Research Institute

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-

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Volume

2

Article Issue

8

Related Issue

8493

Issue Date

2011-08-01

Receive Date

2011-07-25

Publish Date

2011-08-01

Page Start

799

Page End

812

Print ISSN

2090-3685

Online ISSN

2090-3766

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https://jssae.journals.ekb.eg/article_55672.html

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https://jssae.journals.ekb.eg/service?article_code=55672

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Original Article

Type Code

889

Publication Type

Journal

Publication Title

Journal of Soil Sciences and Agricultural Engineering

Publication Link

https://jssae.journals.ekb.eg/

MainTitle

MAXIMIZING WATER AND N FERTILIZER USE EFFICIENCIES UNDER WHEAT CROP AT NORTH DELTA

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Article

Created At

22 Jan 2023