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
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