Zamzami, Falahudin (2023) Aplikasi PGPR (Plant Growth Promoting Rhizobacteria) dan Respon Pertumbuhan Tanaman Kacang Tunggak (Vigna Unguiculata),. Diploma thesis, Politeknik Negeri Jember.
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Abstract
Cowpea is a food crop that contains quite high vegetable protein, but its production is not sufficient. Besides that, the problem is also decreased soil productivity. Therefore, cowpea cultivation by applying PGPR as a soil enhancer through the activity of microorganisms needs to be applied. This study aims to examine the response of cowpea growth to the application of PGPR. This study used a non-factorial Randomized Block Design (RBD) with 6 treatments and 4 replications. The treatment was in the form of PGPR concentrations of 0,75%, 0,9%, 1,2%, 1,4% and 1,7% and without PGPR administration. Observational variables consist of stem diameter, plant height and productive branches. The results of the study proved that the concentration of PGPR (1,7%) have given significant results on plant height (97 cm) and number of productive branches (14 pods). It is presumably because PGPR acts as a biofertilizer which can fix N in free air and can dissolve phosphorus nutrients in the soil. Besides that, the other role is as a biostimulant which is able to stimulate growth hormones in plants. Therefore PGPR provides a good response for the growth of cowpea. Keywords : biofertilizer, biostimulant, cowpea, PGPR
| Item Type: | Thesis (Diploma) | ||||||
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| Uncontrolled Keywords: | biofertilizer, biostimulant, cowpea, PGPR | ||||||
| Subjects: | 140 - Rumpun Ilmu Tanaman > 150 - Ilmu Pertanian dan Perkebunan > 154 - Budidaya Pertanian dan Perkebunan | ||||||
| Divisions: | Jurusan Produksi Pertanian > Prodi D4 Teknik Produksi Tanaman Pangan > Tugas Akhir | ||||||
| Depositing User: | Falahudin Zamzami | ||||||
| Date Deposited: | 25 Jul 2023 08:14 | ||||||
| Last Modified: | 25 Jul 2023 08:14 | ||||||
| URI: | https://sipora.polije.ac.id/id/eprint/25866 |
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