Effects of Water Infiltration to Soil on Yield and Water Use Efficiency in Eggplant (Solanum Melongena L.) in Conditions of Irrigation Intervals and Straw Mulch

چکیده مقاله

An experiment was conducted to evaluate the Effects of water infiltration to soil and Straw mulch in increasing yield and water use efficiency in eggplant (Solanum melongena L.) in Astaneh Ashrafiyeh, North of Iran. A was studied split-plot in a randomized complete block design with 3 replications in the 2011 growing season. Irrigation levels were the main-plots consisted of four levels (no irrigation, irrigation with 6, 12 and 18 days interval). Straw Mulch included of four levels of straw mulch (0, 1, 2 and 3 cm per plot) was assigned to sub plots. Results of this research indicated that average final infiltration was 13 (cm/day) and Volumetric moisture variations in different depths indicated that the moisture content in upper soil layers such as 0-20 cm and 20-40 cm was less than those of 40-60 cm and 60-80 cm layers which was due to water absorption in the first and second layers by the plant.

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