Production and Quality of M2 Generations of Indigofera Zollingeriana Result from Gamma-Ray Irradiation as Animal Feed and its Effect on Soil Characteristics on Saline Soil
Production and Quality of M2 Generations of Indigofera Zollingeriana Result from Gamma-Ray Irradiation as Animal Feed and its Effect on Soil Characteristics on Saline Soil
Rijanto Hutasoit1,3, Edison Purba2*, Simon Petrus Ginting3, Nevy Diana Hanafi2
ABSTRACT
The study was aimed to investgate utilization M2 generation of Indigofera zollingeriana results from gamma-ray irradiation as a roughage animal feed and its effect in soil characteristics on saline soil. The study used a randomized block design (RBD) with four treatments of gamma-irradiated M2 generation I. zollingeriana (0, 100, 200, and 300 gray) and six replications. The data were analyzed by ANOVA and then evaluated using an orthogonal polynomial contrast test. In this study, the soil characteristics were analyzed descriptively. The findings showed that there was no significant difference (P > 0.05) between the M2 I. zollingeriana generations in terms of quantity and quality. Numerically, 300 Gy treatment produced the most dry matter production (11.08 t ha-1 y-1). When compared with those that are not irradiated, the impact of radiation can result in an increase in dry matter yield of 1.2 t ha-1 y-1. The highest crude protein content (26%) was seen in the 300 Gy treatment. The digestibility of dry and organic matter peaked at 200 Gy (73.65 and 72.26%, respectively). The 200 Gy treatment had the highest proline concentration (65450 ppm). The population of phosphate-solubilizing bacteria was highest at 100 Gy (2.06 x 109 CFU/g). It was concluded that M2 I. zollingeriana irradiation treatment could produce more production and quality compared to non-iradiated treatments and could increase the population of phosphate-solubilizing microbes in saline soil.
Keywords | Indigofera zollingeriana, Mutan 2 generation, Irradiation, Salinity, Production
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