Evaluation of growing of sweet maize varieties and hybrids as a repeated crop in different planting periods and schemes

Abstract

In a comprehensive scientific study conducted in the Bukhara province, the cultivation of 12 varieties and hybrids of sweet (vegetable) corn was undertaken as a repeated crop in medium-saline meadow alluvial soils. Noteworthy varieties and hybrids evaluated in the study included "Zamin," "Mazza," "Megaton F1," and "Union F1," selected based on their suitability for the specific soil and climate conditions prevalent in the province. The research aimed to discern the optimal combinations of planting schemes and periods for maximizing yield in sweet corn production. Among the diverse planting schemes and periods tested, the study highlighted the effectiveness of the 60x30 and 70x25 cm schemes, identifying them as the optimal choices. Furthermore, the optimal planting period was pinpointed to be July 5, emphasizing the significance of timing in sweet corn cultivation in the region. The findings indicated that when varieties and hybrids like "Zamin," "Mazza," "Megaton F1," and "Union F1" were planted on July 5 using the 60x30 and 70x25 cm schemes, an impressive yield of 10.1-14.4 tons of vegetable cobs per hectare was achieved. This underscores the importance of meticulous selection of both planting schemes and periods to optimize sweet corn production in the specific agro-climatic conditions of the Bukhara province. The research outcomes contribute valuable insights for local farmers and agricultural practitioners, offering practical recommendations for enhancing crop productivity and ensuring sustainable sweet corn cultivation practices.