Sandis, DetaTrahdaraLovedea (2014) Pengaruh Aplikasi Pupuk Urea Dan Berbagai Kompos Terhadap Sisa N Tersedia Dan Serapan N Serta Pertumbuhan Tanaman Sawi Pakchoy (Brassica Rapa L.) Pada Inceptisols. Sarjana thesis, Universitas Brawijaya.
Abstract
Inceptisols merupakan salah satu ordo tanah yang penyebarannya cukup luas di Indonesia. Tanah ini tersebar dengan luasan sekitar 70,52 juta ha atau 44,60 % dari potensial luas daratan Indonesia. Desa Pandanrejo, Kabupaten Malang memiliki jenis Inceptisols yang potensial untuk pengembangan budidaya tanaman sayuran sawi pakchoy (Brassica rapa L). Namun demikian Inceptisols memiliki tingkat kesuburan tanah yang rendah dan kadar bahan organik rendah. Kesuburan Inceptisols dapat diperbaiki dilakukan dengan cara menggunakan pupuk organik seperti vermikompos dan kompos sampah kota. Penelitian ini bertujuan untuk mempelajari pengaruh aplikasi pupuk urea dan berbagai kompos terhadap sisa N tersedia dan serapan N serta pertumbuhan tanaman sawi pakchoy (Brassica rapa L.) Penelitian ini dilaksanakan di Desa Pandanrejo Kecamatan Bumiaji Kabupaten Malang. Analisis kimia tanah dilakukan di Laboratorium Kimia Tanah Jurusan Tanah Fakultas Pertanian Universitas Brawijaya. Penelitian ini menggunakan rancangan acak kelompok (RAK) dengan 7 perlakuan yang dan 3 ulangan. P0 (kontrol), P1 Urea (100 kg/ha), P2 OSC (10 t/ha), P3 Vermikompos (9 t/ha), P4 Urea (50 kg/ha) + Vermikompos (4,5 t/ha), P5 Urea (50 kg/ha) + OSC (5 t/ha), P6 OSC (5 t/ha) + Vermikompos (4,5 t/ha). Data dianalisis dengan analisis ragam dan apabila uji F tabel 5% nyata maka dilanjutkan dengan uji BNJ taraf 5%. Uji korelasi dilakukan untuk mengetahui hubungan antar parameter pengamatan. Hasil penelitian menunjukkan bahwa aplikasi pupuk urea dan kompos (vermikompos dan OSC) berpengaruh nyata terhadap pH, C- Organik, sisa N- Total dan sisa N tersedia tanah namun aplikasi pupuk urea dan kompos (vermikompos dan OSC) tidak berpengaruh nyata terhadap KTK, serapan N dan pertumbuhan tanaman sawi pakchoy (Brassica rapa L). Nilai rerata tertinggi terdapat pada perlakuan P3 vermikompos ( 9 t/ha) pada parameter pH (6,87%), C organik (2,96%), sisa N Total (0,28%) . Korelasi positif terdapat pada pH berkorelasi positif dengan C-organik (r=0,560**), sisa N Total (r=0,718**) dan sisa N Tersedia tanah (r= 0,544*), C-Organik berkorelasi positif pada sisa N Total (r=0,823**) dan serapan N (r= 0,538*) dan sisa N Total tanah berkorelasi positif pada serapan N (r=0,698**) tanaman sawi pakchoy (Brassica rapa L)
English Abstract
Inceptisols is one order of land distribution is quite widespread in Indonesia. This land is scattered with an area of about 70.52 million ha or 44.60% of the potential land area of Indonesia. Pandanrejo village, district Malang have Inceptisols that potencial for vegetables development like pakchoy mustard (Brassica rapa L). Eventhough Inceptisols have low soil fertility and low carbon organic content. Inceptisols fertility could be improve with use organic matter like vermicompost and garbage compost. This research aims to study the effect of application urea fertilizer and various compost on n residues available and n uptake and the growth of pakchoy mustard (Brassica rapa L). This research was conducted in the village of Malang Pandanrejo Bumiaji. Chemical analysis of soil in Soil Chemistry Laboratory of the Department of Land Brawijaya University. This study used a randomized block design (RBD) with 7 and 3 replications. P0 (control), P1 urea (100 kg / ha), P2 OSC (10 t / ha), P3 Vermicompost (9 t / ha), P4 Urea (50 kg / ha) + Vermicompost (4,5 t / ha) , P5 Urea (50 kg / ha) + OSC (5 t / ha), P6 OSC (5 t / ha) + Vermicompost (4,5 t / ha). Data were analyzed by analysis of variance and F 5% when the real test then followed by 5% HSD test. Correlation test was conducted to determine the relationship between parameters of observation. The results showed that the application of urea fertilizer and compost (vermicompost and OSC) has significant effect on pH, C-organic, N-total residual , residual of N available, soil and application of urea fertilizer and compost (vermicompost and OSC) did not significantly affect CEC, N uptake and plant growth pakchoy mustard (Brassica rapa L.). The highest mean value contained in P3 treatment vermicompost (9 t / ha) on the parameters pH (6.87%), C-Organic (0.96%), the rest of the total N (0.28%). The positive correlation found in pH was positively correlated with residual of N available (0,544*) , C-Organic (r = 0.560 **) and the remaining N Total (r = 0.718 **), C-Organic positively correlated to the rest of the total N (r = 0.823 **) and N uptake (r = 0.698 **) and C-Organic was positively correlated to N total (r = 0.538 *) and the remaining N uptake (r = 0.698 **) plant growth pakchoy mustard (Brassica rapa L) .
| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | SKR/FP/2014/227/051405401 |
| Subjects: | 500 Natural sciences and mathematics > 551 Geology, hydrology, meteorology |
| Divisions: | Fakultas Pertanian > Ilmu Tanah |
| Depositing User: | Hasbi |
| Date Deposited: | 02 Sep 2014 11:04 |
| Last Modified: | 20 Oct 2021 05:43 |
| URI: | http://repository.ub.ac.id/id/eprint/129686 |
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