אסיף מאגר המחקר החקלאי

Irrigation with brackish water under desert conditions V. Nitrogen requirement of tomatoes (Lycopersicon esculentum Mill.) during germination under drip irrigation

Year:

1986

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Volume :

11

Co-Authors:

Pasternak, D., Rudolph and Rhoda Boyko Institute for Agriculture and Applied Biology, The Institutes for Applied Research, Ben-Gurion University of the Negev, P.O. Box 1025, Beer-Sheva, 84110, Israel
Zohar, Y., Field Service, the Ministry of Agriculture, Beer-Sheva, Israel
De Malach, Y., Ramat-Negev Regional Council, Doar Na Halutsa 85515, Israel
Borovic, I., Rudolph and Rhoda Boyko Institute for Agriculture and Applied Biology, The Institutes for Applied Research, Ben-Gurion University of the Negev, P.O. Box 1025, Beer-Sheva, 84110, Israel
Twersky, M., Rudolph and Rhoda Boyko Institute for Agriculture and Applied Biology, The Institutes for Applied Research, Ben-Gurion University of the Negev, P.O. Box 1025, Beer-Sheva, 84110, Israel

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Abstract:

Daily application of brackish water by drip irrigation during the germination of tomatoes (Lycopersicon esculentum Mill.) resulted in efficient leaching of the major nutrient ions from the area immediately under the emitters. A 2-week delay in the application of nitrogen to the germinating seedlings resulted in severe retardation of their growth and in delayed flowering. regardless of the salt concentration in the irrigation water. The results indicate that, in the desert, when brackish water is used to germinate tomato seedlings with a drip system in a sandy-loam soil, nitrogen should be applied daily with the irrigation water, starting on the 1st day of irrigation. © 1986.

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