Abstract
Since plants absorb solar energy with the help of their leaves, it is important to create plantations where the leaf area is optimal, which can be achieved by correctly determining the planting rate of crops and ensuring optimal thickness of seedlings. The objective of this research is to determine and justify optimum planting rate, which ensures a high yield of bluegrass in the saline soils of the Syrdarya region. During the research experiment, field experiments were conducted on the basis of “Methodology of State variety testing of agricultural crops” and “Methods of conducting field experiments”. The results showed that the leaf surface increased by 4.6 thousand m2/ha when the planting rate was 25 kg/ha, and it was noted that when the planting rate increased to 30 kg/ha, the leaf surface decreased by 0.7 thousand m2/ha compared to the previous option. Moreover, the total green yield was 65.6 and 2.7 q/ha compared to the yield obtained in the tuber phase.
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