Soil Quality at Rice Fields with Organic, Semi-organic and Inorganic Management in Wonogiri Regency, Indonesia

The high demand of rice is fulfilled by intensification, particularly with the use chemical fertilizer that allegedly causes land and environmental problems in a long term. As public awareness health rises, more fields are managed organically semi-organically, but there still many manage inorganically. Assessment soil quality three types field management important to prove organic have better than semi-organic inorganic fields, as well evaluate conditions on location. This research was conducted Girimarto, Wonogiri, Indonesia, using descriptive explorative method survey approach points each system which organic, fields. Statistical analysis performed Pearson correlation principal component (PCA) determine indicators affecting quality, called minimum data set (MDS). There were selected this research, including total microbes, base saturation, cation exchangeable capacity carbon. Based results study, best score index (SQI) 2.3, compared SQI (2.2) (1.7). indicate contributes environment.