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| Titel: |
Response of Cowpea Plants Grown Under Salinity Stress to PK-Foliar Applications |
| Auteur: |
Mohamed M. Hussein Mahmoud M. Shaaban Abdel-Kareem M. El-Saady |
| Verschenen in: |
American journal of plant physiology |
| Paginering: | Jaargang 3 (2008) nr. 2 pagina's 81-88 |
| Jaar: |
2008 |
| Inhoud: |
Pot experiment was conducted in the greenhouse of the National Research Centre to study the effect of two doses (50 and 100 mg L-1) of PK foliar fertilization in the form of K2PO3 on leaf nutrient concentrations and growth parameters of cowpea (Vigna unguiculata L.) grown under two diluted Mediterranean seawater levels (3.0, 6.0 dS m-1) in the irrigation water in addition to tap water (0.4 dS m-1) as control. Diluted seawater as irrigation led to significant decreases of macro and micronutrients concentrations in the leaves of cowpea plants. Plant height, number of green leaves, fresh and dry weights were also negatively affected with high significance (p0.05) as the plants irrigated with saline water. PK-foliar fertilization in the form of K2PO3 could increase P, K and other macro- and micronutrient concentrations in the leaves of the salt-stressed plants. The most effective dose was the 100 mg L-1 K2PO3 with the lower salinity level (3.0 dS m-1). Making the plants more tolerant to salinity stress, PK-foliar fertilization could improve plant growth parameters and increase plant heights, number of green leaves, fresh and dry weights. |
| Uitgever: |
Science publications (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 27 van 35 gevonden artikelen
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