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304224

EFFECT OF PRECEDING CROPS IN THREE-YEAR CROP ROTATIONS AND N RATES ON YIELD AND YIELD COMPONENTS OF EGYPTIAN COTTON

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Last updated: 04 Jan 2025

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Abstract

Four types of cotton rotations have been started since 1995/ 1996 season at Shandaweel Agric. Res. St. (Upper Egypt) to evaluate the effect on cotton production of different crop sequences and N rates on yield and yield components of cotton. Four preceding crop sequences viz., wheat/maize (P1), wheat/soybean (P2), faba bean/maize (P3) and faba bean/soybean (P4) were studied as main plots. Three nitrogen lev­els, i.e. 45,60 and 75 Kg N/fed. were applied to the cotton crop in the sub-plots. Results in 1999 and 2000 seasons Indicated that preceding crops significantly affected plant height, number of fruiting branches/ plant, total open bolls/plant, average bolls weight and weight of seeds/ boll. In both seasons seed cotton yield was 11.4 and 15.7% higher when cotton followed soybean than cotton grown after the cereal crops. All studied cotton characters were increased by increasing N lev­els up to 75 Kg N/fed. Seed cotton yield from 75Kg N/fed. Was higher than at 60 and 45 Kg N/fed. by 8.5, 15.9%, 6.73 and 16.88% in first and second seasons, respectively. The highest performance of cotton was observed when cotton was grown after legume crops and fertilized with 75 Kg N/fed., while the lowest performance was obtained following cereal crops and the lowest N level in both seasons.

DOI

10.21608/ejar.2002.304224

Authors

First Name

BADR S.

Last Name

FARGHLY

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Affiliation

Crop Intensification Research Section, Field Crops Research Institute, Agricultural Research Center, Giza, Egypt

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First Name

ABDEL-HAFEZ A.

Last Name

ZOHRY

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Affiliation

Crop Intensification Research Section, Field Crops Research Institute, Agricultural Research Center, Giza, Egypt

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Volume

80

Article Issue

1

Related Issue

41273

Issue Date

2002-03-01

Receive Date

2001-03-28

Publish Date

2002-03-01

Page Start

293

Page End

307

Print ISSN

1110-6336

Online ISSN

2812-4936

Link

https://ejar.journals.ekb.eg/article_304224.html

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https://ejar.journals.ekb.eg/service?article_code=304224

Order

23

Type

Original Article

Type Code

1,041

Publication Type

Journal

Publication Title

Egyptian Journal of Agricultural Research

Publication Link

https://ejar.journals.ekb.eg/

MainTitle

EFFECT OF PRECEDING CROPS IN THREE-YEAR CROP ROTATIONS AND N RATES ON YIELD AND YIELD COMPONENTS OF EGYPTIAN COTTON

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Article

Created At

24 Dec 2024