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EVI RISKI YANTI

NIM

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Abstrak (Bhs. Indonesia)

Pupuk nitrogen dengan teknologi coating nano zeolit dan asam humat dapat meningkatkan variabel karakter agronomi dan hasil tanaman padi gogo. Penelitian ini bertujuan untuk: (1) Mengetahui pengaruh dosis N terhadap pertumbuhan dan hasil tanaman padi, (2) Mengetahui pengaruh aplikasi macam pupuk N terhadap pertumbuhan dan hasil tanaman padi, dan (3) Mengetahui pengaruh interaksi aplikasi macam pupuk dan dosis N terhadap pertumbuhan dan hasil tanaman padi. Penelitian ini dilaksanakan pada bulan September sampai Desember 2020 di Desa Purwosari, Banyumas. Analisis dilaksanakan di Laboratorium Kimia Tanah, serta Laboratorium Agronomi dan Hortikultura, Fakultas Pertanian, Universitas Jenderal Soedirman. Penelitian dilakukan dengan Rancangan Acak Kelompok Lengkap (RAKL) faktorial dengan tiga kali ulangan. Faktor pertama adalah dosis N dan faktor kedua adalah macam pupuk N, masing-masing faktor terdiri atas tiga macam taraf. Hasil penelitian menunjukkan bahwa dosis nitrogen yang terbaik pada variabel tinggi tanaman 8 MST, jumlah anakan per rumpun, luas daun, serapan nitrogen, efisiensi agronomi, jumlah anakan produktif, dan bobot gabah kering panen (ton/ha) adalah dosis N 100 kg/ha. Perlakuan pupuk NZEO-SR Plus coating 1% memberikan hasil terbaik terhadap jumlah anakan per rumpun 8 MST, efisiensi agronomi, dan panjang malai. Perlakuan terbaik macam pupuk dan dosis N terhadap serapan nitrogen pada perlakuan pupuk NZEO-SR Plus coating 3% dosis 200 kg/ha, sedangkan efisiensi agronomi pada perlakuan pupuk NZEO-SR Plus coating 1% dosis 100 kg/ha.

Abtrak (Bhs. Inggris)

Nitrogen fertilizers with technology nanocoating zeolite and humic acid can increase the agronomic character variables and yield of upland rice plants. This study aims to: (1) Determine the effect of N dose on the growth and yield of rice plants, (2) Knowing the effect of the application of N fertilizers on the growth and yield of rice plants, and (3) Knowing the effect of the interaction of various fertilizers and N dose applications on growth. and rice yields. This research was conducted from September to December 2020 in Purwosari Village, Banyumas. The analysis was carried out at the Laboratory of Soil Chemistry, as well as the Laboratory of Agronomy and Horticulture, Faculty of Agriculture, Jenderal Soedirman University. This research was conducted with a randomized completely block design (RCBD) factorial and three replications. The first factor is the dose of N fertilizer and the second factor is the type of N fertilizer, each factor consists of three kinds of levels. The results showed that the best nitrogen dose on the variable plant height at 8 WAP, the number of tillers per clump, leaf area, nitrogen uptake, agronomic efficiency, number of productive tillers, and harvested dry grain weight (tonnes/ha) the best dose at 100 kg/ha. The NZEO-SR Plus fertilizer coating 1% gave the highest yield for the number of tillers per clump 8 WAP, agronomic efficiency, and panicle length. The best treatment types of fertilizers and N dose on nitrogen absorption in the treatment of NZEO-SR Plus fertilizer at a coating 3% dose of 200 kg/ha, while agronomic efficiency in the treatment of NZEO-SR Plus fertilizer at a coating 1% dose of 100 kg/ha.

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