THE EFFECTS OF SOWING DESIGNS ON FORAGE YIELD AND QUALITY OF SWEET SORGHUM AND MUNG BEAN MIXTURES UNDER MEDITERRANEAN CONDITIONS

This study was conducted to determine the effects of sowing designs on forage yield and quality in sweet sorghum and mung bean grown as binary mixture with different cultivation systems in Mediterranean conditions under second crop season during 2019-2020. As sowing design, twin-row (20×55 cm row spacing), narrow-row (55 cm row spacing) and conventional-row (75 cm row spacing) were used as sowing design. The mixtures were formed based on the plant density and alternative row numbers of sweet sorghum and mung bean. Sowing was done on alternating rows of 1 row of sweet sorghum and 1 row of mung bean and 2 rows of sweet sorghum and 1 row of mung bean. The plant density of sweet sorghum was 14 plants m-2 and plant densities of mung bean were 14 plants m-2, 21 plants m-2 and 28 plants m-2. This experiment was planned as two-factor (sowing designs and mixtures) and conducted in randomized complete block design arranged in split plot with 3 replications. To evaluate the forage yield and quality, fresh forage yield, dry matter yield, NDF, ADF, ADL, crude ash crude protein and ether extract characteristics were examined. In addition, the intercropping potential of mung bean and sweet sorghum mixtures was evaluated by the land equivalent ratio. As a result of the present study, mixed cultivation of 14 plants m-2 with one row of sweet sorghum and 14 plants m-2 with one row of mung bean gave the best results in narrow row sowing design. It was concluded that an efficient and high quality intercropping system can be realized in the second crop conditions in regions where Mediterranean climatic conditions prevail, especially for mung beans and sweet sorghum.

Keywords:

Intercropping, forage quality, forage yield mung bean, sweet sorghum,

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