Dynamics in the content of the main nutrients in the leaves of Stanley plum cultivar in a fertilizer experiment
Keywords:
cultivar Stanley; leaf diagnostics; nutrients; organic fertilizers; plumAbstract
The results of a study that observed the dynamics of the content of the main nutrients in the leaves of 'Stanley' plum cultivar are presented, after treatment with the liquid organic fertilizers Aminobest and Ecosist-Arbanasi. Leaf samples were collected in the first ten days of June and the third 10 days in August for the period 2015-2017. The concentration of the main nutrients in the average leaf samples of 100 leaves for the variant was determined, a total of 400 for the four variants. The variants include 10 trees as each of them represents a repetition. The content and amount of nutrients (% to absolute dry matter and mg/kg of dry matter in the leaves) were determined with the foliar diagnosis of the four variants in the experiment. As a result of the applied leaf treatment with Aminobest liquid fertilizer, 0.9% v/v, an increase in the content of the main nutrients in the leaves of 'Stanley' plum cultivar was found. The results showed that soil and leaf fertilization with the innovative organic fertilizers Amino Best and Ecosystem-Arbanasi, according to the scheme used in the study has provided a more favorable diet for the studied fruit species.
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