MULCHING MATERIALS OF PLANT ORIGIN AT POTATO GROWING IN ASTRAKHAN REGION
2016
S. B. Bairambekov | G. V. Gulyaeva | A. N. Galkin | G. F. Sokolova
The application of phytogenous mulching materials based on local processed raw materials at potato cultivation in irrigated conditions of the Astrakhan region has allowed optimization of temperature and moisture regime of the soil. It was found that in case of the spring term of planting, the mulching has increased the soil temperature up to 0,6-0,9°C on April-May at a depth of 0,10 m as compared to the control. During heat period, mulching materials have decreased the soil temperature. Antecedent soil water under mulching materials in the phase of tubers formation was on 1,15-1,19 times higher than in the control variant without mulching. The most effective materials for the soils of different grain-size distribution were determined: for the heavy-loamy soil the best mulching material was straw, for the sandy loam soil the more efficient mulching was saw-dust.
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