Potato, Kazakhstan, 2023, Classic Plus

CROP: Potato, “Reggae” variety

PRODUCT: Classic Plus (foliar application)

YEAR:  2023

COUNTRY: Kazakhstan

APPLICATION:

  1. Control. NPK background.
  2. Background NPK + Classic Plus. Foliar application: 1st - at the stage of full emergence (plant height 15-20 cm), 2nd – at the budding phase, Classic Plus consumption – 1.5 kg/ha, working solution consumption – 300 l/ha.
  3. Background NPK + Classic Plus. Foliar application: 1st - at the stage of full emergence (plant height 15-20 cm), 2nd – at the budding phase, Classic Plus consumption – 2.0 kg/ha, working solution consumption – 300 l/ha.
  4. Background NPK + Classic Plus. Foliar application: 1st - at the stage of full emergence (plant height 15-20 cm), 2nd – at the budding phase, Classic Plus consumption – 3.0 kg/ha, working solution consumption – 300 l/ha.

Trial plots area – 40 m², observed plots area – 10 m². Trial repetitiveness — four times.

RESULT:

  1. Yield increase compared to control with NPK background: 24.3-56.51%.
  2. The yield increase resulted from improvements in yield structure: the average number of large tubers increased by 53.3-86.7%, and medium-sized tubers number increased by 22.7-36.4%. The average mass of large tubers increased by 22.3-41.9%, and medium-sized tubers mass increased by 9.6-29.5%.
  3. The harvest predominantly consisted of the medium-sized fraction (30-60 mm).
  4. Quality indicators improved: vitamin C content increased by 1.0-2.1%, and the dry matter content increased by 0.4-0.8%.
  5. The maximum result was achieved with a double application at a 3.0 kg/ha dose.
  6. All yield increases exceeded the experimental error and were statistically significant.

Pre-plant soil preparation on May 5, 2023
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Trial start on May 5, 2023
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Hilling (Formation of ridges) on May 13, 2023
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Herbicide treatment on May 22, 2023
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Second foliar application (June 20) – at the budding phase
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Field view
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Control
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Classic Plus – 2,0 kg/ha
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Classic Plus – 2,0 kg/ha: Tuber analysis on July 16, 2023
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Classic Plus – 3,0 kg/ha
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Classic Plus – 3,0 kg/ha: Tuber analysis on July 16, 2023
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Raw Potato Pulp | Boiled Potato Pulp. Taste evaluation of Reggi variety
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Determination of starch content on parov's scales
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Determination of dry matter content in potato tubers by thermostatic-weighing method
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