One of the commodities that needs to be considered in Galur Subdistrict, KulonProgo Regency, DIY is soybean, because it experiences a productivity reduction. Soybean productivity decline is a reality of the inability of farmers to produce soybeans with existing planting areas. One of the technologies to overcome the national demand deficit for domestic soybean yields is fertilization with KNO3 fertilizer. This research was carried out at five FFS locations in May - August 2018 and the variety used was Grobogan variety. KNO3 fertilizer is applied by spraying it as a leaf fertilizer. The analysis showed that the KNO3 fertilization treatment showed more varied and higher productivity results compared to controls. The results of KNO3 fertilization also show varied results for different locations. From a financial point of view, the KNO3 fertilization treatment shows more favourable results than those without treatment. Keywords: Soybean, fertilizing, KNO3
This study examined the use of liquid organic fertilizer (POC) and humic acid in soybean cultivation. The liquid organic fertilizer used in this study made from leri water (rice washing water), rabbit urine, coconut water and fermented goat manure. Theresearch was carried out at the Galur Agricultural Extension Center (BPP), Kulon Progo with 15 replications x 3 treatments (control; POC and humic acid) x 2 locations (Karangsewu land and Pandowan land) using the Grobogan variety. The results showed that the application of humic acid and POC can significantly increase the soybean productivity. Keywords: rice washing water, rabbit urine, coconut water, goat manure, humic acid, soybean productivityAbstrak: Penelitian ini mengkaji penggunaan pupuk organik cair (POC) dan asam humat pada budidaya kedelai. Pupuk organik cair yang digunakan dalam penelitian ini menggunakan bahan air leri (air cucian beras), urine kelinci, air kelapa dan rendaman kotoran kambing yang difermentasi. penelitian ini dilaksanakan di lahan Balai Penyuluhan Pertanian (BPP) Galur, Kulon Progo dengan 15 ulangan x 3 perlakuan (kontrol; POC dan asam humat) x 2 lokasi (lahan Karang Sewu dan lahan Pandowan) dengan menggunakan varietas Grobogan. Hasil penelitian menunjukkan aplikasi asam humat dan POC akan meningkatkan produktivitas kedelai secara signifikan. Kata kunci: air leri, urine kelinci, air kelapa, kotoran kambing, asam humat, produktivitas kedelai
Water spinach (Ipomoea aquatica) is a highly nutritious vegetable. The demand for these vegetables, as well as consumer awareness of the importance of eating vegetables, is increasing. The application of fertilizers has an impact on the growth of water spinach. The study aimed to determine the effect of rabbit urine fertilizer on the growth of water spinach plants. The study used a randomized block design, with rabbit urine fertilizer being sprayed once, twice, and three times on solid organic fertilizer-based growth. Water spinach cultivation without rabbit urine fertilizer or solid organic fertilizer was used as the control for the research treatment. The observations included plant height and plant wet weight. The results showed that there was a significant difference in the wet weight and height of the plants treated with rabbit urine and solid organic fertilizer (p < 0.05). The best-wet weight and height of water spinach plants were 0.1375 kg and 26 cm, respectively, after three applications of rabbit urine fertilizer in the cultivation on solid organic fertilizer-based growth.
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