CD Skripsi
Tingkat Keanekaragaman Makrofauna Dan Kandungan C-Organik Tanah Berdasarkan Lama Penggunaan Lahan Pada Budidaya Tanaman Hortikultura Di Kota Pekanbaru
ABSTRACT
The increasing intensity of land use for horticultural cultivation has raised concerns about its long-term impact on soil quality and biodiversity, particularly soil macrofauna, which play a critical role in maintaining soil health. This study aims to evaluate the impact of land use duration on soil macrofauna diversity and soil organic carbon (C-organic) content in horticultural farming systems. The research was conducted on nine plots: three horticultural plots used for ≤5 years, three for >20 years, and three undisturbed shrublands as control. Macrofauna were collected using pitfall traps, and C-organic was analysed using the Walkley-Black method. Results showed that the highest macrofauna diversity index (H’=1.36) was found in shrubland, followed by ≤5-year horticultural land (H’=0.90), and the lowest in >20-year horticultural land (H’=0.80). Similarly, C-organic content was highest in ≤5-year horticultural land (4.21%), followed by shrubland (3.86%), and lowest in >20-year land (2.99%).
Keywords: Intensive agriculture, soil macrofauna, horticulture, cultivation intensity,
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