FRUIT / BERRY: Apple, “Champion” variety

PRODUCT: Classic Plus (foliar application)

YEAR:  2023

COUNTRY: Kazakhstan

TESTER: CJSC "OPH Central"

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APPLICATION:

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1. Control. NPK background.
2. Background NPK + Classic Plus. Foliar application: 1st – after flowering, 2nd – 14 days after the first application, Classic Plus consumption – 1.5 kg/ha, working solution consumption – 1000 l/ha.
3. Background NPK + Classic Plus. Foliar application: 1st – after flowering, 2nd – 14 days after the first application, Classic Plus consumption – 2.0 kg/ha, working solution consumption – 1000 l/ha.
4. Background NPK + Classic Plus. Foliar application: 1st – after flowering, 2nd – 14 days after the first application, Classic Plus consumption – 3.0 kg/ha, working solution consumption – 1000 l/ha.

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Trial plants – 5 items, observed plants – 3 items, trial repetitiveness — four times.

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RESULT:

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1. Yield increase compared to control: 4.37-49.51%.
2. The yield increase resulted from improvements in yield structure: the average mass of fruits increased by 2.8-3.7%, and the number of fruits per tree increased by 0.7-42.2%.
3. The treatment influenced fruit setting, with an increase of 3-4%.
4. There was no observable positive trend in obtaining higher-grade apples.
5. Quality indicators improved significantly, with a substantial decrease in fruit acidity by 13.6-40.9%.
6. The maximum result was achieved with a double application at a 3.0 kg/ha dose.
7. All yield increases exceeded the experimental error and were statistically significant.

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