Growing of sweet corn in different mulch materials

The purpose of the study is to determine the growth, development and yield quality of sweet corn varieties and hybrids when grown in different mulching materials in the soil-climatic conditions of Karakalpakstan.

Methods. Selected sweet corn Zamin variety and Megaton F₁ hybrids were grown in different mulching materials in the fallow season and evaluated for their growth, development and productivity in the conditions of Karakalpakstan in 2018-2020. Mulching materials were selected for growing varieties and hybrids. According to the results of the selection, the varieties and hybrids with a positive conclusion were recommended for use in the production of cultivation in mulching materials.

Results. In 2018‒2020, the selected Zamin variety of sweet corn and the Megaton F₁ hybrid, when grown on different mulching materials, yield varied from 10.8 t to 13.1 t per hectare. The highest productivity was recorded when mulching with manure and black membrane, it was 11.5-12.2 t per hectare in the Zamin variety, and 12.4-13.1 t in the Megaton F₁ hybrid. Cultivation of sweet corn mulched with manure and black membrane has the highest net profit (19509.0 - 21890.8 thousand sums and 22120.5-24150.9 thousand sums) and the highest yield (123,8-138.6% and 134.7-146.8%).

Conclusion. It was found that sweet corn varieties Zamin and Megaton F₁ hybrids have high productivity indicators when mulched with black membrane and manure in the main term for the soil and climate conditions of Karakalpakstan, and it was recommended for large-scale planting in farms.

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