Kamilah, Qonita Mumtazia (2026) Kajian Pemberian Dolomit dan Pupuk Fosfor terhadap Ketersediaan Fosfor Tanah pada Tanaman Padi di Lahan Terdampak Sipramin. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Continuous application of sipramin fertilizer on paddy fields in Manguharjo District, Madiun City has led to sodium (Na) accumulation, resulting in reduced soil chemical quality and phosphorus (P) availability. This study aimed to evaluate the effects of dolomite application and various phosphorus fertilizer sources on phosphorus availability and uptake in sipramin-affected paddy soils. The experiment was arranged in a factorial Completely Randomized Design with two factors: dolomite rates (0, 1.5, 2, and 3 t ha⁻¹) and phosphorus fertilizer sources (no P, NPK Phonska, SP-36, MKP, and MAP). The results indicated that dolomite application reduced exchangeable sodium and increased soil pH to an optimum range. The application of 1.5 t ha⁻¹ dolomite was the most effective rate in reducing soil Na-dd. The interaction between dolomite and phosphorus fertilizer sources had no significant effect on soil phosphorus availability; however, the combination of 1.5 t ha⁻¹ dolomite and MKP fertilizer resulted in the highest phosphorus availability compared to other treatments. Keywords: Dolomite, Fertilizer, Phosphorus, Rice, Sipramin
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | S Agriculture > S Agriculture (General) S Agriculture > S Agriculture (General) > S590-599.9 Soils. Soil science S Agriculture > S Agriculture (General) > S631-667 Fertilizers and Improvement of the soil |
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| Divisions: | Faculty of Agriculture > Departement of Agritechnology | ||||||||||||
| Depositing User: | QONITA MUMTAZIA KAMILAH | ||||||||||||
| Date Deposited: | 10 Feb 2026 07:08 | ||||||||||||
| Last Modified: | 10 Feb 2026 07:08 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/49340 |
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