The Interaction Effect to Fertilization on the Mineral Nutrition of Canola Under Different Salinity Levels
2021
Belouchrani, Amel Souhila | Bouderbala, Abdelkader | Drouiche, Nadjib | Lounici, Hakim
The objective of this work was to study the effect of increasing rates of salinity with and without fertilizer on the mineral nutrition of canola. It is about measuring the nitrogen, phosphorus and potassium contents in canola plant and comparing the results of each treatment (interaction between salinity and NPK fertilizer). The pot experimental included four levels of salinity S0 (control), S1, S2, and S3 and two doses of NPK fertilizer. The results showed the absence of NPK fertilizer, and salinity has a negative effect, especially with respect to S3, where the lowest nitrogen content was registered. The supply of NPK fertilizers has a significant effect on the nitrogen content of canola, where it has been recorded. The increasing concentrations of NaCl with the addition of NPK fertilizers influence the phosphorus content. The S3 level registered the highest phosphorus content. With the NPK fertilizer, the content of exchangeable potassium content in canola plant decreases with increasing the NaCl concentration, due to the antagonism between Na⁺ and K⁺. The S0 (control) registered the highest potassium content where, the S3 registered the lowest content. The application of NPK fertilizer increased the nitrogen and phosphorus content in plant of canola in a saline environment.
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