Abstract
The objective of this experiment was to study the effect nitrogen fertilizer dose on growth and yield of Caisin plant (Brassica junceae L.) var. Shinta. An experiment was carried out at Experimental Station of Agriculture Faculty of Winaya Mukti University at Tanjungsari-Sumedang, with the altitude about 850 m above sea level, from February 2015 up to March 2015. Experimental design used was a Randomized Block Design (RBD), consisted of five treatment and each five replication. Dose of nitrogen (N) fertilizer tested namely : A = 0 kg ha-1 N, B = 10 kg ha-1 N, C = 20 kg ha-1 N, D = 30 kg ha-1 N, dan E = 40 kg ha-1 N. The result of this experiment showed that dose of nitrogen fertilizer be different influential on plant height at 28 Days After Planting (DAP) and 35 DAP, number of leaf at 35 DAP, weight of total dry matter per plant and weight of fresh per plant. Dose of nitrogen fertilizer 20 kg ha-1- 30 kg ha-1 give better effect on plant height at 28 Days After Planting (DAP) and 35 DAP, number of leaf at 35 DAP, weight of total dry matter per plant, and weight of fresh per plant. The optimum nitrogen fertilizer rate as much as 24.59 kg ha-1 give a weight per plant caisin maximum of 76.04 g
Highlights
Tanah merupakan salah satu faktor penting untuk terlaksananya teknik budidaya yang baik
study the effect nitrogen fertilizer dose on growth and yield of Caisin plant
dan E = 40 k g ha-1 N. The result of this experiment showed that dose of nitrogen fertilizer be different influential
Summary
Berdasarkan hasil analisis kesuburan tanah sebelum percobaan, ternyata tekstur tanah adalah lempung berliat dengan pH tanah sebesar [5,90] yang termasuk ke dalam katagori agak masam, sehingga untuk pertumbuhan caisin tanah ini cocok untuk dijadikan media budidaya caisin. Pada tinggi tanaman umur 35 HST pemberian pupuk N sebanyak 10 kg ha-1 , 20 kg ha-1, 30 kg ha-1 dan 40 kg ha-1 memberikan pengaruh yang berbeda nyata dibandingkan dengan tanpa pemberian pupuk nitrogen (0 kg ha-1), namun semua perlakuan tersebut berbeda tidak nyata terhadap tinggi tanaman. 6,73 abc Berdasarkan hasil analisis dan uji lanjutan pada Tabel 1 dan 2 menunjukan bahwa pemberian takaran pupuk nitrogen (N) yang berbeda memberikan pengaruh yang berbeda tidak nyata terhadap tinggi tanaman umur 14 HST dan 21 HST, jumlah daun umur 14 HST, 21 HST dan 28 HST. Berdasarkan hasil analisis ragam dan hasil uji lanjutan dengan Uji Jarak Berganda Duncan untuk bobot kering total (biomas) tanaman caisin seperti yang tertera pada Tabel 3 menunjukkan bahwa pemberian takaran nitrogen (N). Takaran pupuk nitrogen optimum sebanyak [24,59] kg ha-1 memberikan bobot segar per tanaman caisin maksimum sebanyak 76,04 g
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