Nitrate Versus Chloride Nutrition Effects in a Soil-Plant System on the Growth, Nitrate Accumulation and N, K, Na, Ca and Cl Content of Carrot Daucus carota L.
The experiment was conducted to evaluate the effets of various NO 3 /CI percentages on growth, nitrate accumulation and mineral absorption in carrot Daucus carota L. plants in a controlled enviroment. The experiment included two CI sources (KCI and CaCl 2 ) and five NO 3 /CI percentages at 100/0, 90/10, 80/20, 70/30, and 60/40 with total-N concentration of 400 mg NO 3 /kg soil in 100/0 treatment. The fresh and dry weights of shoots and storage roots, and the length and diameter of storage roots increased significantly more with mixed NO 3 /CI treatments and CI sources than with single NO 3 (100/0) treatment. Growth was enhanced up to the 80/20 NO 3 /CI treatments. With CI present in the treatments, the concentration of total-N unchanged and NO 3 decreased, and CI and K increased both of the CI sources. In KCI treatments, Na absorption decreased Calcium content significantly differed among the treatments. It was concluded that nitrogen fertilization provided with combined CI forms and NO 3 /CI percentages can enhance the quality of carrots and at the same time derease the N fertilizer input rate.
Anahtar Kelimeler:
Nitrate, Nitrate accumulation, Chloride, Carrot, Daucus carota L.
Nitrate Versus Chloride Nutrition Effects in a Soil-Plant System on the Growth, Nitrate Accumulation and N, K, Na, Ca and Cl Content of Carrot Daucus carota L.
The experiment was conducted to evaluate the effets of various NO 3 /CI percentages on growth, nitrate accumulation and mineral absorption in carrot Daucus carota L. plants in a controlled enviroment. The experiment included two CI sources (KCI and CaCl 2 ) and five NO 3 /CI percentages at 100/0, 90/10, 80/20, 70/30, and 60/40 with total-N concentration of 400 mg NO 3 /kg soil in 100/0 treatment. The fresh and dry weights of shoots and storage roots, and the length and diameter of storage roots increased significantly more with mixed NO 3 /CI treatments and CI sources than with single NO 3 (100/0) treatment. Growth was enhanced up to the 80/20 NO 3 /CI treatments. With CI present in the treatments, the concentration of total-N unchanged and NO 3 decreased, and CI and K increased both of the CI sources. In KCI treatments, Na absorption decreased Calcium content significantly differed among the treatments. It was concluded that nitrogen fertilization provided with combined CI forms and NO 3 /CI percentages can enhance the quality of carrots and at the same time derease the N fertilizer input rate.
Keywords:
Nitrate, Nitrate accumulation, Chloride, Carrot, Daucus carota L.,
- ISSN: 1300-0152
- Yayın Aralığı: Yılda 6 Sayı
- Yayıncı: TÜBİTAK
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