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Effect of digging depths of sugar beet's harvester on some properities of salt-affected soils and rice yield [electronic resources].

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Ismail, A. O. A

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Language: English Summary language: Arabic Description: p.501-521Other title:

تأثير اعماق حصادة بنجر السكر على بعض خواص الأراضى المتأثرة بالأملاح ومحصول الأرز [Added title page title]

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Mansoura University Journal of soil sciences and agricultural engineering, 2015 v. 6 (4) [electronic resources].

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In: Mansoura University Journal of Soil Sciences and Agricultural Engineering 2015.v.6(3)Summary: A field experiment was conducted in a farmer's field at South of EI-Husainia plain, AI-Sharqia Governorate, Egypt during winter season of 201212013 and extended to the winter season of 201312014.Tha aim of the study was to assess the effect of mechanized sugar beet harvesting at different digging depths on some properties of salt affected soils and its productivity of rice crop. A split plot design with three replicates was used to conduct the field experiment. The main plots represented the harvesting depths (D1: conventional harvesting (farmer's method) using hoes, D2: mechanized harvesting with digging depth of 20-25cm, and D3: mechanized harvesting with digging depth of 35-40cm). The subplots represented sampling distance from the tile drain (A: 7.5 - 5.0m, B: 5.0 - 2.5m, and C: 2.5 - O.Om). Salt contents at different layers were evaluated. The soil physical parameters determined included bulk density (pb), saturated hydraulic conductivity (Ks) and soil penetration resistances (SPR). Rice grain yield, yield component and growth parameters (panicles length (cm), number of panicles/m2, 1000-grain weight, plant height, leaf area index (LAI), and crop growth rate (CGR)) were determined. Results indicated in general that, salt contents at different layers decreased significantly with increasing digging depth, while the salts removed had an opposite trend.

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A field experiment was conducted in a farmer's field at South of EI-Husainia plain, AI-Sharqia Governorate, Egypt during winter season of 201212013 and extended to the winter season of 201312014.Tha aim of the study was to assess the effect of mechanized sugar beet harvesting at different digging depths on some properties of salt affected soils and its productivity of rice crop. A split plot design with three replicates was used to conduct the field experiment. The main plots represented the harvesting depths (D1: conventional harvesting (farmer's method) using hoes, D2: mechanized harvesting with digging depth of 20-25cm, and D3: mechanized harvesting with digging depth of 35-40cm). The subplots represented sampling distance from the tile drain (A: 7.5 - 5.0m, B: 5.0 - 2.5m, and C: 2.5 - O.Om). Salt contents at different layers were evaluated. The soil physical parameters determined included bulk density (pb), saturated hydraulic conductivity (Ks) and soil penetration resistances (SPR). Rice grain yield, yield component and growth parameters (panicles length (cm), number of panicles/m2, 1000-grain weight, plant height, leaf area index (LAI), and crop growth rate (CGR)) were determined. Results indicated in general that, salt contents at different layers decreased significantly with increasing digging depth, while the salts removed had an opposite trend.

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