Husein, Mahesa Fahmi (2023) DAMPAK PEMBERIAN MACAM BAHAN ORGANIK DAN PASIR TERHADAP POROSITAS VERTISOL BOJONEGORO DAN PERTUMBUHAN JAGUNG (Zea mays). Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Vertisol is a type of soil that generally has physical properties that are hard when dry, making it difficult to use during the dry season. Improvement of vertisols can be done by using organic fertilizers, one of which is compost. Corn (Zea mays) is a palawija commodity, including the food crops sub-sector and corn is one of the potential commodities that can be used as food and animal feed raw materials. The study was arranged according to a factorial Randomized Block Design (RBD), with factor 1 representing 7 types of organic matter, including B0: Control; B1: Banana peel + cow dung (10:1) (15 tons/ha); B2: Leaf litter compost (15 tonnes/ha); B3: Water hyacinth + cow dung (1:1) (15 tons/ha); B4: Humic acid (20 kg/ha); B5: Humin (20 kg/ha) and B6: Biochar (1 ton/ha) and factor 2 are 3 levels of sand, including P0: Control; P1: Sand measuring 20% and P2: Sand measuring 40% by weight of media with a size of 0.05-2 mm taken from the Bengawan Solo river. This experiment has 21 treatment combinations which can be seen in table 3.1. Each treatment used for plant media was repeated 2 times, so that the total treatment was 42 polybags. While the treatment used for incubation was repeated 3 times, so that the total treatment was 63 pots. Soil samples for application media were taken from Kec. Malo, Kab. Bojonegoro. The treatment of humin organic matter had an effect on the porosity of the vertisols at 0 DAT, whereas at 30 and 60 DAP the organic matter in the form of humic acid had an effect on the porosity. Sand treatment only affected porosity at intervals of 30 and 60 HST, with the highest yield being 40% sand. The combination of organic matter and sand has an effect on the intervals of 30 and 60 HST. At 30 HST the combination of banana peel + cow dung with 40% sand got the highest score, while at 60 HST the combination that got the highest score was humic acid with 40% sand. The treatment of organic matter banana peels + cow dung affected stem diameter and root weight. The sand treatment affected stem diameter and root weight with the highest yield being 20% sand. The combination of organic matter and sand has an effect on stem diameter and root weight with the highest yield due to the combination of banana peel + cow manure with 0% sand.
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Contributors: |
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| Subjects: | S Agriculture > S Agriculture (General) > S590-599.9 Soils. Soil science | ||||||||||||
| Divisions: | Faculty of Agriculture > Departement of Agritechnology | ||||||||||||
| Depositing User: | Mahesa Fahmi Husein | ||||||||||||
| Date Deposited: | 26 Jan 2023 03:35 | ||||||||||||
| Last Modified: | 26 Jan 2023 03:35 | ||||||||||||
| URI: | http://repository.upnjatim.ac.id/id/eprint/11725 |
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