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RIGA PUTRI UTARI

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Judul Artikel

Abstrak (Bhs. Indonesia)

Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi asap cair dan dosis pupuk N, P, K terhadap karakter fisiologi dan hasil padi gogo. Penelitian dilakukan di lahan penelitian Fakultas Pertanian Unsoed. Rancangan yang digunakan adalah rancangan petak terbagi dengan dua faktor percobaan yaitu dosis asap cair sebagai petak utama dan dosis pupuk N, P, K sebagai anak petak. Faktor asap cair terdiri atas tanpa asap cair, asap cair 1:200, dan 1:400. Faktor pupuk N, P, K terdiri atas pupuk N, P, K dosis 25%, 50%, 75%, dan 100% rekomendasi. Variabel yang diamati antara lain laju pertumbuhan tanaman, laju pertumbuhan relatif, laju asimilasi bersih, klorofil, biomassa tanaman, panjang malai, jumlah malai, jumlah dan bobot bulir isi per rumpun, jumlah dan bobot bulir hampa per rumpun, jumlah bulir isi per malai, jumlah bulir hampa per malai, bobot 1000 biji, bobot bulir per petak efektif, dan indeks panen. Hasil penelitian menunjukkan asap cair tempurung kelapa belum mampu meningkatkan karakter fisiologi dan hasil padi gogo, sedangkan dosis pupuk N, P, K meningkatkan biomassa tanaman, jumlah malai, jumlah bulir isi per rumpun, jumlah bulir isi dan hampa per malai, bobot bulir per petak efektif, kecuali indeks panen.

Abtrak (Bhs. Inggris)

The objective of this study was to know application of coconut shell wood vinegar and N, P, K fertilizer on physiological characters and yield of upland rice. The research was conducted in experimental farm of Faculty of Agriculture Unsoed. This study used a split plot design with factors of wood vinegar as the main plot and dose of N, P, K fertilizer as sub plots. Factors of wood vinegar consist of without application, 1:200, and 1:400. Factors of N, P, K fertilizer consist of 25%, 50%, 75%, and 100% recommendation dose. Observed variables were crop growth rately (CGR), relative growth rately (RGR), net assimilation rate (NAR), chlorophyll, biomass plant, panicle length, number of panicle per hill, number and weight of filled grain per hill, number and weight of unfilled grain
per hill, number of filled grain per panicle, number of unfilled grain per panicle,
weight of 1000 grains, weight grains per effective plot, and harvest index (HI).
The results showed that application of coconut shellwood vinegar was not
improved physiological cahracters and yield of upland rice yet, while increasing
of N, P, K dose improved biomass plant, number of panicle per hill, number of
filled grain per hill, number of filled and unfilled grain per panicle, weight of
grain per effective plot, except harvest index.

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