Presenter Information

O Ncamihigo, ISABU
P Brandelard, ISABU

Publication Date

1993

Description

A 3-year study was conducted in Burundi to examine the effects of 3 cutting heights (0, 50 and 100 cm) and 3 cutting frequencies (3, 4 and 6 months) on the total annual biomass yield and leaf production of 3 shrub legumes, Leucaena diverslfolia cv, Buitenzorg, L. leucocephala cv, Peruvian and Calliandra calothyrsus. Highest annual biomass and leaf production were obtained at the 100 cm cutting hejght, There was no significant effect of cutting interval on L. leucocephala but for Calliandra calothyrsus, leaf production was highest at the 4- month cutting frequency. Both biomass production and leaf production of L. diversofolia were highest for the 3-month cutting frequency. The interaction effects between the 2 factors under study, were generally not significant. Cutting at the O cm height was the only treatment which caused some death of trees, with C. calotliyrsus being the most affected species.

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Effects of Cutting Heights and Cutting Frequencies on the Annual Yield of Leucaena and Calliandra Hedges

A 3-year study was conducted in Burundi to examine the effects of 3 cutting heights (0, 50 and 100 cm) and 3 cutting frequencies (3, 4 and 6 months) on the total annual biomass yield and leaf production of 3 shrub legumes, Leucaena diverslfolia cv, Buitenzorg, L. leucocephala cv, Peruvian and Calliandra calothyrsus. Highest annual biomass and leaf production were obtained at the 100 cm cutting hejght, There was no significant effect of cutting interval on L. leucocephala but for Calliandra calothyrsus, leaf production was highest at the 4- month cutting frequency. Both biomass production and leaf production of L. diversofolia were highest for the 3-month cutting frequency. The interaction effects between the 2 factors under study, were generally not significant. Cutting at the O cm height was the only treatment which caused some death of trees, with C. calotliyrsus being the most affected species.