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Irrigation of lucerne on rice fields of the Kuban


, : Irrigation of lucerne on rice fields of the Kuban. Vestnik Sel' skokhozyaistvennoi Nauk (7): 102-107

In the Kuban delta, the capillary fringe occurs at a depth of 20-70 cm in the soil, and usually at 35-39 cm. Only 0.5-1.4% of the lucerne roots occur in the capillary fringe, the remainder occurring in soil that dries out periodically. Irrigation should moisten the top 20 cm of soil before the first cut in the first year of utilization and the top 40 cm afterwards. In the second year of utilization, irrigation should moisten the top 60 cm.

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