ABSTRAKTanaman cabai merupakan komoditas dengan nilai ekonomis tinggi di Desa Srigading, Kecamatan Sanden, Kabupaten Bantul. Produktivitas cabai di lahan sub-optimal pasir pantai tidak kalah tinggi dibandingkan dengan lahan sawah. Namun penurunan produktivitas cabai yang disebabkan serangan organisme pengganggu tanaman mengakibatkan kerugian bagi petani, sehingga perlu dilakukan pengendalian OPT. Edukasi tentang pemanfaatan tanaman refugia sebagai pengendali hama alami belum pernah dilakukan. Metode yang dilakukan dalam kegiatan ini adalah paparan (edu-agriculture) tentang pemanfaatan tanaman refugia, pembuatan demonstrasi plot tanaman cabai dengan berbagai jenis tanaman refugia, serta inisiasi wisata swafoto bunga. Hasil kegiatan yang diperoleh berupa peningkatan pengetahuan mengenai teknik pengendalian hama dan penyakit secara alami sehingga mengurangi ketergantungan terhadap pestisida sintetik dengan memanfaatkan tanaman refugia yang terdapat di lingkungan sekitar. Kegiatan terbukti mengatasi permasalahan para petani dan memanfaatkan sumber daya alam secara maksimal yang sangat penting bagi peningkatan produktivitas pertanian.
Rainfed lowland rice is grown in land where the irrigation systems depend on rainwater. The use of chemical fertilizers in large quantities in order to improve production of rice will result in soil quality degradation. In order to improve the condition of the soil, a system of organic farming was provided. The aim of this study was to quantify soil quality in rainfed lowland ricefields using soil quality indexes (SQI) and to compare SQIs of farming system under organic and conventional fertilization. The sample consists of seven sample points on soil fertilized organically and three sample points on soil which is managed in a conventional way, each taken from 5 subpoints at a depth of 0-30 cm and analyzed for 12 soil variables. The best representative soil quality variables forming a minimum data set (MDS) were selected using principal component analysis (PCA), and soil quality scores were obtained using both linear and non-linear scoring functions. The study results indicate that in case of organic farming system, the soil quality was better (SQI = 2.079) when compared to its quality in the conventional farming system (SQI = 1.397). The selected indicators used as the MDS are soil porosity, cation exchange capacity (CEC), soil organic carbon, C/N ratio, soil permeability, available-P (Av-P), and electrical conductivity (EC).
The increasing demand for various creative food industries requires cassava raw material supply which has quality and quantity. This research purpose is to identify land suitability, determining the factors, and the strategy of land management for Jarak Towo production in Jatiyoso District. This research using survey method with the land unit based on altitude as observation design which divided into six, namely 400 masl, 600 masl, 800 masl, 1000 masl, 1200 masl, and 1400 masl, and the sampling point is determined by purposive sampling which each land unit has four repetitions and obtain 24 sample points. The land suitability class assessment was carried out by matching the observation data with cassava-modified growth requirements for the Jarak Towo variety. The results in the area were classified into two classes, namely marginally suitable and not suitable. The land suitability determinant factors were temperature, organic carbon, Total-N, and slope. Land units 3 and 4 are land units which land suitability class can increase if these two locations are used as places for planting cassava var. Jarak Towo with the direction of land management strategies that have been given.
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