Abstract
This study aimed to determine the increase of dry matter production and Nutrient changes of Indigofera zollingeriana cultivated in Sapric peat soils with harvest age of 2, 3 and 4 months after pruning. Indigofera foliage was obtained from the existing plot of approximately 3 years old that grown in the experimental field of the UARDS Laboratory of the Faculty of Agriculture and Animal Sciences of UIN Suska Riau. The research design of randomized block design (RBD) was apllied consisting of 3 age treatments with 4 group. Each treatment, consisted of indigofera biomass harvested at 2 months old (2M), 3 months old (3M) and 4 months old (4M). The results showed that postponing harvest from 2 months to 4 months significantly (p<0.05) increased dry matter production of 71.97 g to 437.62 g and significantly (p<0.05) decreased crude protein (CP) content from 27.45% to 21.23%. Meanwhile, crude fibre (CF), extract ether (EE), ash and nitrogen free extract (NFE) contents were not influence by postponing harvest from 2 to 4 months. The respective ranges of CF, EE, ash and NFE content of I. zollingeriana were CF: 15.50%-16.50%, EE: 2.11%-2.85%, ash: 7.55%-8.31% and NFE: 46.39%-51.15%. It can be concluded that the dry matter production of I. zollingeriana that grown on Sapric peat soils were significantly influenced by harvest age. Key words: legume, maturity, nutritive value, peatland
Highlights
Penelitian ini bertujuan untuk mengetahui peningkatan produksi bahan kering (PBK) dan perubahan kadar nutrien Indigofera zollingeriana yang dibudidayakan di lahan gambut tipe saprik pada umur panen [2, 3] dan 4 bulan setelah pemangkasan
Herbage production and quality of shrub indigofera treated by different concentration of foliar fertilizer
Efek umur pemangkasan indigofera (Indigofera zollingeriana ) pada musim kemarau terhadap kadar neutral detergent fibre dan acid detergent fibre
Summary
Data hasil penelitian dianalisis menggunakan analysis of variance (ANOVA) dengan rancangan acak kelompok Bila terdapat perbedaan yang nyata pada pelakuan, dilakukan uji Duncan's Multiple Range Test (DMRT) pada tingkat 5% untuk menentukan perbedaan antar perlakuan
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