Aminah M, Aminah
Program Studi Agroteknologi, Fakultas Pertanian, Universitas Muslim Indonesia

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Journal : JURNAL GALUNG TROPIKA

EFEKTIVITAS WAKTU PENGGENANGAN AIR TERHADAP PENGAWETAN LENGAS TANAH PADA TANAMAN KEDELAI A Aminah; A Abdullah; N Nuraeni; Marlyana S. Palad
JURNAL GALUNG TROPIKA Vol 8 No 3 (2019)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (201.552 KB) | DOI: 10.31850/jgt.v8i3.508

Abstract

Important factors that form the basis of water management are plant characteristics based on water requirements, the amount of water supplied, irrigation methods, and soil characteristics to conserve water. These factors are also influenced by local agroecological conditions such as climate, soil type, and availability of irrigation water. The study aimed to determine the effectiveness of inundation time on soybean growth and production to maintain soil moisture. The study was arranged in an experimental form using a Randomized Block Design (RBD) consisting of waterlogging time treatment (W), ie not flooded/field capacity (W0), inundation 0-15 days after planting (dap) (W1), inundation 15-30 dap (W2), inundation at 30-45 dap (W3), and inundation continuously until harvest (W4). The height of the water given was 5 cm. The results showed that continuous inundation until harvest increased the weight of seeds by 19.23% compared without inundation. This was evidenced by the increasing number of pods and number of seeds per plant by 31.1% and 37.59% compared to field capacity. Continuous inundation showed that the highest soil water content (moisture) compared to other treatments. As for the greenness of leaves, inundation at 15-30 dap showed the lowest greenness of leaves while the highest greenness of leaves is inundation 0-15 dap, and this was not significantly different from other treatments. Continuous inundation has shown the potential to increase soybean yield. These results indicated that the irrigation method until the soil was saturated with water or above the field capacity was still quite safe for the growth, development, and production of soybean plants.
Pertumbuhan dan Produksi Kedelai (Glycine max L. Merr) pada Pemberian Pupuk Organik dan Cekaman Air A Aminah
JURNAL GALUNG TROPIKA Vol 9 No 3 (2020)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v9i3.702

Abstract

This research aims to study the effect of using organic fertilizers on the growth and yield of soybeans. Besides, to study the selection of the best types of organic fertilizers to increase the soil's ability to absorb water so that it can increase yield even in drought conditions. The research was carried out in the Faculty of Agriculture screen house, Indonesian Muslim University, Makassar, with the type of alfisol soil. The design used as factorial based on a randomized block design, which consisted of 2 factors. The first factor is the use of organic fertilizers, namely without organic fertilizers (P0), chicken manure (P1), Azolla compost (P2), and bokashi waste (P3). The second factor is the quantity of water supply, namely 350 mm/season (Al), 450 mm/season (A2), and 550 mm/season (A3). The results showed an interaction between the type of organic fertilizer and the amount of water supply on the total dry weight of the plant at harvest, the number of seeds, and the percentage of seed success. The enormous total dry weight of plants and the largest number of sources occurred in the combination of giving chicken manure and a water supply of 550 mm/season. Meanwhile, the highest percentage of seeds was in the variety of Azolla fertilizer treatment and water supply of 350 mm/season. The water supply treatment also significantly affects plant height, the number of leaves, and plants' total dry weight. Simultaneously, the yield components, namely the dry weight of seeds and the weight of 100 seeds with a water supply of 550 mm/season produced the best results.