Tarigan, Monalisa Fransiska (2018) Pengaruh Aplikasi Kascing, Pupuk Kandang Ayam Dan Penambahan Rhizobium Terhadap Serapan Nitrogen Serta Pertumbuhan Kedelai (Glycine Max (L.) Merrill) Pada Tanah Berpasir. Sarjana thesis, Universitas Brawijaya.
Abstract
Lahan yang didominasi fraksi pasir adalah jenis lahan yang dapat dimanfaatkan untuk lahan budidaya namun kondisi tanah ini memiliki keterbatasan dalam menunjang pertumbuhan tanaman karena penggunaanya tidak optimal disebabkan kondisi fisik, kimia dan biologi tanah yang tidak mendukung sebagai lahan budidaya. Tanah berpasir memiliki porositas yang besar, strukturnya lepas, permeabilitas cepat sehingga daya menahan airnya rendah, kandungan bahan organik yang rendah, KTK rendah dan unsur hara rendah salah satunya adalah Nitrogen karena tingginya pencucian dan kurangnya masukan bahan organik. Oleh karena itu diperlukan perbaikan pada sifat kimia, fisik dan biologi tanah agar dapat diusahakan sebagai lahan pertanian antara lain dengan pemberian bahan organik. Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi kascing, pupuk kandang ayam dan penambahan pupuk hayati Agrisoy (Rhizobium sp.) terhadap beberapa sifat kimia tanah berpasir berupa pH tanah, C-Organik tanah dan N-Total tanah serta serapan N dan pertumbuhan tanaman kedelai. Penelitian ini dilaksanakan di instalasi rumah kaca BALITKABI Kendalpayak dan laboratorium kimia tanah jurusan tanah Fakultas Pertanian Universitas Brawijaya. Rancangan yang digunakan adalah rancangan acak kelompok (RAK) sederhana dengan 8 perlakuan yaitu K0 (kontrol), K1(Kascing 10 ton ha-1 + Agrisoy 7,5 g kg-1 benih), K2 (Kascing 15 ton ha-1 + Agrisoy 7,5 g kg-1 benih), K3 (Kascing 20 ton ha-1 + Agrisoy 7,5 g kg-1 benih), K4 (Pupuk kandang ayam 10 ton ha-1 + Agrisoy 7,5 g kg-1 benih), K5 (Pupuk kandang ayam 15 ton ha-1 + Agrisoy 7,5 g kg-1 benih), K6 (Pupuk kandang ayam 20 ton ha-1 + Agrisoy 7,5 g kg-1 benih), K7 (Kascing 10 ton ha-1 + pupuk kandang ayam 10 ton ha-1 + Agrisoy 7,5 g kg-1 benih) dengan 3 kali ulangan. Analisis tanah yang dilakukan yaitu pH, C-Organik, N-Total. Pengamatan pertumbuhan tanaman terdiri dari tinggi tanaman, jumlah daun, bobot kering brangkasan, bobot kering akar, jumlah bintil, bobot bintil dan serapan N tanaman. Untuk mengetahui pengaruh beda nyata antar pelakuan maka dilakukan uji Anova taraf 5%. Uji lanjut dilakukan bila perlakuan berpengaruh nyata terhadap peubah yang diukur dengan uji Duncan. Hasil penelitian menunjukkan bahwa perlakuan aplikasi bahan organik berupa kascing dan pupuk kandang ayam serta penambahan pupuk hayati Agrisoy pada tanah berpasir berpengaruh nyata terhadap peningkatan pH tanah, C-Organik tanah, N-Total tanah dan serapan N tanaman. Perlakuan K6 (pupuk kandang ayam 20 ton ha-1 + Agrisoy 7,5 g kg-1 benih) menunjukkan pH tanah sebesar 5,82, kandungan C-Organik tanah yaitu sebesar 2,51%, N-Total tanah sebesar 0,103 % dan mampu untuk meningkatkan pertumbuhan berupa jumlah daun pada 35 HST, jumlah bintil akar per tanaman sebanyak 17,7, bobot basah bintil akar tanaman sebesar 0,23 g tanaman-1 serta serapan N kedelai sebesar 14,41 g tanaman-1.
English Abstract
Land dominated by sand fraction is a type of land that can be used for cultivating but the condition of this land has limitations to support of plant growth because it is not optimal to used due to physical, chemical and biological conditions that do not support as cultivated. Sandy soil has a large porosity, the structure is loose, permeability is fast, capacity of holding water is low, organic matter is low, cation exchange capacity is low, nutrients is low which one Nitrogen due to high leaching and lack of input of organic matter. Therefore it is necessary to improve the chemical, physical and biological properties of the soil to be cultivated as agricultural land, such as giving organic matter. This research aims to determine the effect of application vemicompost, chicken manure and addition of Rhizobium sp. towards soil chemical of sandy soil such as soil pH, C-Organic, N-Total, and also N uptake and growth of soybean. This research was conducted in green house instalation of BALITKABI Kendalpayak and Soil Chemistry Laboratory of Soil Department, Agriculture Faculty Brawijaya University. The design was used randomized block design (RAK) with 8 treatments. There are K0 (Control), K1 (vermicompost 10 ton ha-1 + Agrisoy 7,5 g kg-1), K2 (vermicompost 15 ton ha-1 + Agrisoy 7,5 g kg-1 of seed), K3 (vermicompost 20 ton ha-1 + Agrisoy 7,5 g kg-1 seed), K4 (chicken manure 10 ton ha -1 + Agrisoy 7,5 g kg-1 seed), K5 (chicken manure 15 ton ha-1 + Agrisoy 7,5 g kg-1 seed), K6 (chicken manure 20 ton ha-1 + Agrisoy 7,5 g kg-1 seed), K7 (vermicompost 10 ton ha-1 + manure chicken 10 ton ha-1 + Agrisoy 7,5 g kg-1 seed) and 3 replications. Soil analysis which is held soil pH, C-Organic, N-Total. Plant growth monitoring consisted of plant height, leaf number, dry weight of stem, root dry weight, number of nodules, weight of nodules and N uptake of plant. To know the effect between the treatments then it’s tested by Anova test 5%. Multiple comparison test is performed when the treatments has significant effect on variables measured by the Duncan test with 5% levels. The results showed that the application of organic matters such as vermicompost and chicken manure and also addition of Agrisoy organic fertilizer on sandy soil significantly affected the soil pH, C-Organic soil, N-Total and N upteke. Treatment of K6 (chicken manure 20 tons ha-1 + Agrisoy 7,5 g kg-1 seed) show soil pH is 5,82, C-Organic soil that is 2,51%, N-Total soil is 0,103% and able to increase the growth the number of leaves on 35 day after planting as much as 17,5 , number of root nodules per plants as much as 17,7, wet weight of plant root nodules is 0,23 g plant-1 and soybean N uptake is 14,41 g plant-1.
| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | SKR/FP/2018/101/051802187 |
| Uncontrolled Keywords: | - |
| Subjects: | 600 Technology (Applied sciences) > 633 Field and plantation crops > 633.3 Legumes, forage crops other than grasses and legumes > 633.34 Soybeans |
| Divisions: | Fakultas Pertanian > Agroekoteknologi |
| Depositing User: | Nur Cholis |
| Date Deposited: | 24 May 2018 01:14 |
| Last Modified: | 20 Oct 2021 03:51 |
| URI: | http://repository.ub.ac.id/id/eprint/10949 |
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