THE EFFECTS OF PLANTING DATES AND PLANT DENSITIES ON SUGAR PERCENT AND SUGARBEET YIELD

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HABIBI D.; NOURMOHAMMADI GHORBAN; KARIMI ABADCHI M.M.; MAJEDI HERAVAN E.; DARVISH F.

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Journal: Year:2004 | Volume:10 | Issue:1 Page(s): 21-33

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Title

THE EFFECTS OF PLANTING DATES AND PLANT DENSITIES ON SUGAR PERCENT AND SUGARBEET YIELD

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Keywords

SOWING DATEQ3

PLANT DENSITYQ3

SUGARBEETQ3

WHITE SUGAR YIELDQ2

VARIATION OF NIGHT AND DAY TEMPERATUREQ4

GROWING DEGREE DAYSQ4

SUNSHINEQ4

Abstract

This experiment was conducted in order to evaluate the effect of different PLANT DENSITY and SOWING DATEs on WHITE SUGAR YIELD and its componests (Ic variety) at experimental field of Islamic Azad University of Karaj in two years (1999-2000). A split plot layout within a randomized complete block design with four replications was used. Main plots were planting dates (March, 25th-may, 5th-june, 15th), sub plots were plant densities (6,8 and 10 plant m-2). The results showed that reduction in the length of growing season due to delay in planting, reduced the plant ability to spread close its canopy on time, and to use the environmental potential well before the maximum vegetative growth was reached. In addition, autumn low temperatures decreased the rate of SUGARBEET growth and consequently smaller roots were produced. Root yield and it componets, at various sowing time and PLANT DENSITY showed that delay in planting significatly decreased root yield, and WHITE SUGAR YIELD but increased sugar percent. The most sugar percent and WHITE SUGAR YIELD obtained from sowing in june, 15th and May, 5th consequently. Eight plants m-2density produced maximum WHITE SUGAR YIELD. Moreover first planting date (March, 25th) produced maximum root yield. So, on the basis of the reuslts obtained, 8 plant m-2 and Sowing in May, 5th might be suitable for maximum SUGARBEET production. Results showed if the amout of growth degree days and the extent of difference between night and day temperature were higher than 15°C, WHITE SUGAR YIELD might be increased.

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APA: Copy

HABIBI, D., NOURMOHAMMADI, GHORBAN, KARIMI ABADCHI, M.M., MAJEDI HERAVAN, E., & DARVISH, F.. (2004). THE EFFECTS OF PLANTING DATES AND PLANT DENSITIES ON SUGAR PERCENT AND SUGARBEET YIELD. JOURNAL OF AGRICULTURAL SCIENCES, 10(1), 21-33. SID. https://sid.ir/paper/8001/en

Vancouver: Copy

HABIBI D., NOURMOHAMMADI GHORBAN, KARIMI ABADCHI M.M., MAJEDI HERAVAN E., DARVISH F.. THE EFFECTS OF PLANTING DATES AND PLANT DENSITIES ON SUGAR PERCENT AND SUGARBEET YIELD. JOURNAL OF AGRICULTURAL SCIENCES[Internet]. 2004;10(1):21-33. Available from: https://sid.ir/paper/8001/en

IEEE: Copy

D. HABIBI, GHORBAN NOURMOHAMMADI, M.M. KARIMI ABADCHI, E. MAJEDI HERAVAN, and F. DARVISH, “THE EFFECTS OF PLANTING DATES AND PLANT DENSITIES ON SUGAR PERCENT AND SUGARBEET YIELD,” JOURNAL OF AGRICULTURAL SCIENCES, vol. 10, no. 1, pp. 21–33, 2004, [Online]. Available: https://sid.ir/paper/8001/en

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