Study on biomass and root system distribution characteristics of sport turf in different substrate compositions

Abstract

Abstract: This research used nine turf-bed compositions to analyze the biomass and root distribution characteristics of Bermuda T-419, a commonly used sports turf in the tropics and subtropics. Above and belowground biomasses of treatments showed similar changes, middle sediment treatments Ⅲ and Ⅶ were highest in above and belowground biomass. Root biomasses of the different treatments were significantly reduced with soil depth, and distribution of roots was concentrated in the 0-10 cm layer. Variance analysis indicated significant differences in the 0-10 cm belowground biomass between treatments and that treatments Ⅲ, Ⅵ and Ⅶ were significantly higher than Ⅰand the CK. There were no significant differences in biomass in the10-20 cm and below 20 cm soil layers. The correlation coefficient between belowground biomass and total root length was 0.541 (P<0.05), between belowground biomass and root surface-area with root volume it was 0.651 and 0.615 respectively (P<0.01), and between root number and total root length, with average diameters it was 0.500 and 0.695 respectively (P<0.01).

CLC Number:

HUANG Xiao-lu, LIU Jun, YANG Zhi-min. Study on biomass and root system distribution characteristics of sport turf in different substrate compositions[J]. Acta Prataculturae Sinica, 2009, 18(5): 98-106.

References

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