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Effect of tillage and nitrogen application regime on [electronic resource]: I. Yield and nitrogen content of sunflower cultivated under calcareous soil conditions

By:

Abou Yuossef, M. F

Contributor(s):

El-Eweddy, E. A

Language: English Summary language: Arabic Description: p.231-244Other title:

تأثير الحرث وتنظيم إضافة النيتروجين على: 1- محصول عباد الشمس والمحتوى النيتروجينى تحت ظروف الأرض الجيرية [Added title page title]

Uniform titles:

Zagazig journal of agricultural research, 2003 v. 30 (1) [electronic resource].

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Full Text Article.

In: Zagazig Journal of Agricultural Research 2003.v.30(1)Summary: The use of conservation tillage methods, including notillage, has increased dramatically in recent years. At the present time, there is great concern that farmers are applying more nitrogen (N) fertilizer than is environmentally or economically sound. In order to determine if N requirement for optimum yield differs with tillage system, tests were initiated to study tillage and N dose effects on N content and yield of sunflower. The study was established in 2002 on calcareous soil, Maryout soil. Two rates of N (0, and 45 kg /fed.) were applied to plots managed with 3 tillage Systems: chisel plow, moldboard plow, and no-tillage. The nitrogen was supplied as 2, 3 and 4 splits dose divided to equal portions.

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The use of conservation tillage methods, including notillage, has increased dramatically in recent years. At the present time, there is great concern that farmers are applying more nitrogen (N) fertilizer than is environmentally or economically sound. In order to determine if N requirement for optimum yield differs with tillage system, tests were initiated to study tillage and N dose effects on N content and yield of sunflower. The study was established in 2002 on calcareous soil, Maryout soil. Two rates of N (0, and 45 kg /fed.) were applied to plots managed with 3 tillage Systems: chisel plow, moldboard plow, and no-tillage. The nitrogen was supplied as 2, 3 and 4 splits dose divided to equal portions.

Summary in Arabic.

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