JONIKO RUMAPEA, NPM 2103100048 (2025) PENGARUH PEMBERIAN PUPUK GANDASIL TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN SAWI HIJAU (Brassica chinensis var parachinensis). Skripsi thesis, Universitas Labuhanbatu.
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Abstract
Sawi hijau merupakan tanaman hortikultura bernilai ekonomi tinggi. Pemupukan yang tepat, seperti penggunaan pupuk Gandasil yang mengandung nitrogen (N), fosfor (P), dan kalium (K), berperan penting dalam meningkatkan pertumbuhan dan hasil panen. Penelitian ini mengkaji pengaruh pupuk Gandasil terhadap tinggi tanaman, jumlah daun, berat tanaman, dan diameter batang. Penelitian menggunakan Rancangan Acak Kelompok (RAK) dengan lima perlakuan: P0 (kontrol), P1 (1 gr/L), P2 (2 gr/L), P3 (3 gr/L), dan P4 (4 gr/L), masing-masing diulang lima kali. Data dianalisis menggunakan ANOVA dan uji lanjut Duncan (DMRT) pada taraf 5%. Hasil penelitian menunjukkan bahwa pupuk Gandasil berpengaruh signifikan terhadap tinggi tanaman, berat tanaman, dan diameter batang, tetapi tidak berpengaruh nyata terhadap jumlah daun. P2 (2 gr/L) menghasilkan tanaman tertinggi (20,44 cm), P3 (3 gr/L) memiliki berat tertinggi (26 gr), dan P4 (4 gr/L) memiliki diameter batang terbesar (16,90 mm). Dosis optimal untuk pertumbuhan dan hasil terbaik adalah 2–4 gr/L. Penelitian lebih lanjut diperlukan untuk mengeksplorasi dosis lebih tinggi dan kondisi lingkungan yang berbeda. Kata Kunci : Sawi Hijau, Pupuk Gandasil, Pertumbuhan Tanaman, Hasil Panen, Pemupukan. ====================================================================================================== Green mustard is a widely cultivated horticultural crop with high economic value. Proper fertilization, such as using Gandasil, which contains nitrogen (N), phosphorus (P), and potassium (K), is essential for optimal growth and yield. This study examines the impact of Gandasil fertilizer on plant height, leaf count, plant weight, and stem diameter. The experiment used a Randomized Block Design (RBD) with five treatments: P0 (control), P1 (1 g/L), P2 (2 g/L), P3 (3 g/L), and P4 (4 g/L), each replicated five times. Data were analyzed using ANOVA and Duncan’s Multiple Range Test (DMRT) at 5% significance. Results showed that Gandasil significantly affected plant height, weight, and stem diameter but had no significant impact on leaf count. P2 (2 g/L) produced the tallest plants (20.44 cm), P3 (3 g/L) the highest weight (26 g), and P4 (4 g/L) the largest stem diameter (16.90 mm). The optimal dosage for growth and yield was 2–4 g/L. Further research is recommended to explore higher dosages and different environmental conditions. Keywords : Green Mustard, Gandasil Fertilizer, Plant Growth, Yield, Fertilization.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Uncontrolled Keywords: | Sawi Hijau, Pupuk Gandasil, Pertumbuhan Tanaman, Hasil Panen, Pemupukan. ======================== Green Mustard, Gandasil Fertilizer, Plant Growth, Yield, Fertilization. |
| Subjects: | Q Science > QK Botany S Agriculture > S Agriculture (General) S Agriculture > SB Plant culture |
| Divisions: | Fakultas Sains Dan Teknologi > Agroteknologi |
| Depositing User: | Unnamed user with email repository@ulb.ac.id |
| Date Deposited: | 21 Apr 2025 02:57 |
| Last Modified: | 21 Apr 2025 02:57 |
| URI: | http://repository.ulb.ac.id/id/eprint/1272 |
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