Increased Rice Crop Productivity Through Compost and NPK Fertilization. The aims of this research was to study response of compost and NPK fertilizers to the soil chemical properties and rice yield. The method used was a factorial Randomized Block Design consisting of two factors. The first factor was compost Fertilizer (B) consists of 2 levels, namely: B0 = Without compost fertilizer and B1 = 5 ton compost fertilizer ha-1. The second factors was NPK national recomendation (P) consists of 3 levels, namely: P1 = 50% of NPK recommendation, P2 = 100% of NPK recommendation and P3 = 150% of NPK recommendation. The results showed that the treatment of compost and NPK fertilizers gave no significant effect on tillers number clumb-1 and dry straw weight/m2 , but gave a significant effect on N, P, K and dry grain weight/m2. The combination of 5 tons of compost/ha and 150% of NPK recommendation can produce N-total, P-available level, K-available and dry grain weight per m2 respectively 0.35%, 13.79 ppm, 355, 21 ppm and 0.96 kg and significantly higher than the combination of 50% NPK recommendation and without compost, which were 0.26%, 8.21 ppm, 236.10 ppm and 0.69 kg respectively.
EVALUATION AND DETERMINATION OF SUSTAINABLE LAND AGRICULTURE FOR PREVENTION OF LAND CONVERSION IN BANGLI REGENCYThe research was done in the area of ??paddy soil in Bangli District, Bangli Regency to identification, evaluation, and mapping the paddy soil area that have to maintain as a sustainable agriculture. To achieve these objectives, the research conducted through several activities, namely: soil survey and environment, physical and chemistry of soil analysis, and mapping the model of the prevented exchangeable paddy soil functions. Depend on plan lay out space (called RTRW) of Bangli regency, there were two models of sustainable agriculture decision at district of Bangli, where in each model, land (Subak) mapping as subak everlasting, subak buffer, and Subak convertion. Subak convertion was have opportunity to changing function. Subak convertion of Model I as 158,68 ha (2011 – 2021) and Model II as 78,14 ha (2021 – 2031) respectively.
Evaluation of Specific Location Fertilizer Recommendations and Plant System on Rice Yield Temega Village, Abang District, Karangasem. This study aims to determine the response of specific location fertilizer recommendations and planting system on rice yields in Temega Village, Abang District, Karangasem Regency. The method was used Factorial Randomized Block Design (RBD). The treatment tried consisted of two factors. The first factor was fertilization recommendations (R): R1 = location specific recommendation (250 kg Urea/ha, 100 SP36/ha and 50 kg KCl/ha); R2 = Location specific recommendation + Compost (230 kg Urea/ha, 100 SP36/ha, 50 kg KCl/ha + 5 t compost/ha), R3 = Farmer method (300 kg Urea/ha, 125 SP36/ha and 75 kg KCl/ha). The second factor was planting system (TL) : T = Tegel (20 cm x 20 cm) and L = Jajar Legowo 2 : 1. Combination of treatments into 6 treatments and each treatment was replicated 4 times so that there were 24 plots of research. The results showed that location specific fertilizer recommendations resulted in oven dry grain weight m-2 of 0.84 kg compare to that of farmers (0.85 kg). The application of location specific fertilizer recommendations can save as much as 50 kg Urea/ha, 25 kg SP36/ha and 25 kg KCl/ha. Jajar Legowo planting system can produce grain contain m-2 of 1.14 kg or an increase of 78.13% compared to tegel planting system (0.64 kg).
Petani Desa Buahan, Kabupaten Gianyar menghadapi permasalahan adanya serangan hama dan penyakit terhadap tanaman jeruk yang menyebabkan produktivitasnya sangat merosot. Tujuan kegiatan ini adalah mengadakan penyuluhan dan demoplot teknologi pengendalian hama dan penyakit tanaman jeruk. Metode yang digunakan terdiri atas : 1) Penyuluhan dengan materi pengenalan sumber hama dan penyakit tanaman, 2) Demoplot teknik penanggulangan hama dan penyakit tanaman jeruk. 3) Pendampingan secara insedental dan berkala. Hasil kegiatan menunjukkan penanggulangan hama dan penyakit tanaman jeruk dapat berjalan dengan baik berdasarkan rataan partisipasi mitra pada seluruh sub kegiatan sebesar 76,48 %. Rataan tersebut terdiri dari partisipasi kehadiran anggota subak Abian 75 % dan 30,91 % dari peserta yang hadir menyampaikan pendapat. Evaluasi adopsi Ipteks, ternyata 100 % peserta telah memahami Ipteks yang disuluhkan dan ikut berpartisipasi pada kegiatan demoplot pengecatan batang pohon dan pembungkusan buah jeruk yang terserang. Kata kunci : Penyuluhan, Demoplot, Pengendalian, Hama, Penyakit, Tanaman Jeruk
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