Rahma, Elsyifa Tsabita and Dr. Lenny Sri Nopriani,, SP., MP. and Syahrul Kurniawan,, SP.,MP.,Ph.D. (2022) Pengaruh Aplikasi Kombinasi Pupuk Anorganik Padat Dan Cair Terhadap Sifat Kimia Tanah, Serapan Hara, Pertumbuhan Dan Produksi Bawang Merah. Sarjana thesis, Universitas Brawijaya.
Abstract
Sebagai salah satu kawasan penghasil bawang merah, angka produksi bawang merah di Kabupaten Malang masih jauh tertinggal dibandingkan dengan kawasan lainnya sehingga diperlukan upaya peningkatan produksi panen. Salah satu upaya untuk mengoptimalkan sumberdaya dan meningkatkan produksi panen yaitu melalui aplikasi kombinasi pupuk anorganik. Tujuan dari penelitian ini yakni untuk mengetahui pengaruh aplikasi kombinasi pupuk anorganik terhadap ketersediaan hara tanah dan serapan hara (N, P, K, Ca, dan Mg), serta mengetahui pengaruh aplikasi kombinasi pupuk anorganik terhadap pertumbuhan dan produksi bawang merah. Penelitian ini dilaksanakan di Lahan Percobaan Fakultas Pertanian Universitas Brawijaya yang terletak di Kelurahan Jatimulyo, Kota Malang pada bulan September – November 2021. Rancangan penelitian menggunakan Rancangan Acak Kelompok (RAK) Non Faktorial dengan 8 (delapan) perlakuan dan 3 (tiga) ulangan. Perlakuan yang diterapkan meliputi: 1) V0 (Tanpa Pemupukan); 2) V1 (Pupuk NPK dan ZA 100%); 3) V2 (Pupuk NPK dan ZA 100% + Pupuk anorganik cair 50%); 4) V3 (Pupuk NPK dan ZA 100% + Pupuk anorganik cair 100%); 5) V4 (Pupuk NPK dan ZA 100% + Pupuk anorganik cair 150%); 6) V5 (Pupuk NPK dan ZA 75% + Pupuk anorganik cair 50%); 7) V6 (Pupuk NPK dan ZA 75% + Pupuk anorganik cair 100%); 8) V7 (Pupuk NPK dan ZA 75% + Pupuk anorganik cair 150%). Tanaman bawang merah ditanam pada lahan seluas 450 m2 dengan ukuran setiap petak perlakuan sebesar 2,6 x 5,4 m2. Parameter sifat kimia tanah yang diamati diantaranya pH, N-total, P-tersedia, K-dd, Ca-dd dan Mg-dd. Parameter serapan hara tanaman yang diamati diantaranya adalah serapan N, P, K, Ca dan Mg tanaman. Parameter pertumbuhan dan produksi tanaman meliputi jumlah anakan per rumpun, jumlah daun per rumpun, tinggi tanaman per rumpun, berat kering umbi per rumpun, dan jumlah umbi per rumpun. Data dianalisis ragam (ANOVA) pada taraf 5% untuk mengetahui pengaruh perlakuan terhadap parameter yang diamati. Jika terdapat pengaruh nyata, dilakukan uji lanjut Duncan Multiple Range Test (DMRT) taraf 5% untuk mengetahui perlakuan terbaik. Analisis dilakukan dengan menggunakan software R dan Microsoft Excel. Aplikasi kombinasi pupuk anorganik padat dan cair berpengaruh nyata dalam meningkatkan pertumbuhan tinggi tanaman di fase awal pertumbuhan, jumlah daun, dan jumlah anakan. Pemberian kombinasi pupuk anorganik padat dan cair berpengaruh nyata dalam meningkatkan berat kering umbi hingga 157% dibandingkan perlakuan kontrol namun tidak berpengaruh nyata terhadap parameter jumlah umbi. Aplikasi kombinasi pupuk anorganik padat dan cair turut memberikan pengaruh yang nyata terhadap peningkatan ketersediaan unsur hara N, P, K, Ca, dan Mg dalam tanah serta serapan hara N, P, K, dan Ca. Secara umum, dosis kombinasi pupuk anorganik padat dan cair terbaik yang dapat diterapkan yaitu perlakuan V5 (Pupuk NPK dan ZA 75% + Pupuk anorganik cair 50%).
English Abstract
As one of the shallot-producing areas, the shallot production rate in Malang Regency is still far behind compared to other areas, so efforts to increase crop production are needed. One of the efforts to optimize resources and increase crop production is through the application of a combination of inorganic fertilizers. The purpose of this study was to determine the effect of the application of a combination of inorganic fertilizers on the availability of soil nutrients and nutrient uptake (N, P, K, Ca, and Mg), and to determine the effect of the application of a combination of inorganic fertilizers on the growth and production of shallots. This research was conducted at the Experimental Field of the Faculty of Agriculture, Universitas Brawijaya located in Jatimulyo Village, Malang City in September – November 2021. The research design used a Non-Factorial Randomized Block Design (RBD) with 8 (eight) treatments and 3 (three) replications. The treatments applied include: 1) V0 (Without fertilization); 2) V1 (100% NPK and ZA fertilizer); 3) V2 (100% NPK and ZA fertilizer + 50% Liquid inorganic fertilizer); 4) V3 (100% NPK and ZA fertilizer + 100% Liquid inorganic fertilizer); 5) V4 (100% NPK and ZA fertilizer + 150% Liquid inorganic fertilizer); 6) V5 (75% NPK and ZA fertilizer + 50% Liquid inorganic fertilizer); 7) V6 (75% NPK and ZA fertilizer + 100% Liquid inorganic fertilizer); 8) V7 (75% NPK and ZA fertilizer + 150% Liquid inorganic fertilizer). Shallots were planted on an area of 450 m2 with the size of each treatment plot of 2.6 x 5.4 m2. The parameters of soil chemical properties observed were pH, total N, available P, K-dd, Ca-dd and Mg-dd. The parameters of plant nutrient uptake that were observed were plant N, P, K, Ca and Mg uptake. Parameters of plant growth and production included number of tillers per clump, number of leaves per clump, plant height per clump, dry weight of tuber per clump, and number of tubers per clump. The data were analyzed for variance (ANOVA) at the 5% level to determine the effect of treatment on the observed parameters. If there is a significant effect, further Duncan Multiple Range Test (DMRT) test at 5% level is carried out to determine the best treatment. The analysis was carried out using R software and Microsoft Excel. The application of a combination of solid and liquid inorganic fertilizers gave a significant effect (p < 0,05) on increasing plant height in the early stages of growth, number of leaves, and number of tillers. The application of a combination of solid and liquid inorganic fertilizers had a significant effect (p < 0,05) on increasing the dry weight of tubers up to 157% as compared to the control treatment but had no significant effect on the number of tubers. The application of a combination of solid and liquid inorganic fertilizers also has a significant effect on increasing the availability of nutrients N, P, K, Ca, and Mg in the soil as well as nutrient uptake of N, P, K, and Ca. In general, the best dose of solid and liquid inorganic fertilizer combination that can be applied is V5 treatment (75% NPK and ZA fertilizer + 50% Liquid inorganic fertilizer).
| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | 0522040395 |
| Subjects: | 600 Technology (Applied sciences) > 631 Specific techniques; apparatus, equipment materials > 631.4 Soil science |
| Divisions: | Fakultas Pertanian > Ilmu Tanah |
| Depositing User: | Nur Cholis |
| Date Deposited: | 04 Apr 2023 02:32 |
| Last Modified: | 04 Apr 2023 02:33 |
| URI: | http://repository.ub.ac.id/id/eprint/197874 |
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