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D. M. F. Sumampow
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Agriculture, Biological Sciences & Forestry

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APLIKASI PUPUK KANDANG SAPI DAN BERBAGAI JENIS MIKROORGANISME LOKAL (MOL) SERTA PENGARUHNYA TERHADAP PERTUMBUHAN KEDELAI (Glycine max Merill L.) Saartje ., Sompotan; D. M. F. Sumampow; Antje G. Tulungen; Maria ., Montolalu; Rinny ., Mamarimbing; Stella M. Th. Tulung
EUGENIA Vol. 26 No. 1 (2020)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.26.1.2020.43251

Abstract

The purpose of this research was to obtain the interaction between the dose of cow manure and the type of local microorganism (MOL) in increasing soybean growth, to obtain the dose of cow manure and the dose of MOL that gave the best growth of soybean plants. The two-factor factorial study used a completely randomized design. The treatment consisted of, Factor I (A) = Dosage of Cow Manure. A1 = 10 tons/ha, A2 = 20 tons/ha, A3 = 30 tons/ha. Factor II (B) = Type of Local Microorganisms (MOL). Bo = No MOL; B1 = MOL Banana hump (5 liters/ha); B2 = MOL Papaya (5 liters/ha), B3 = MOL Rice (5 liters/ha). Each treatment was repeated three times to obtain 36 experimental pots. The variables observed were: plant height and number of leaves as primary data and N, P, K content in each MOL as secondary data). Primary data were analyzed using analysis of variance and if there was a difference, it was continued with the Least Significant Difference Test (BNT) at the 5% test level. The results showed that the interaction between cow manure and various types of MOL significantly affected plant height and number of soybean leaves. 20 tons of cow manure on MOL banana weevil increased the growth of plant height and number of soybean leaves.
KOMPONEN HASIL JAGUNG MANIS (Zea mays saccharata Sturt) PADA TAILING KECAMATAN TATELU YANG DIBERI PUPUK ORGANIK DAN PUPUK PHONSKA T. D. Sondakh; D. M. F. Sumampow; M. G. M. Polii; Ronny Nangoi; R. Mamarimbing; Tilda Titah
EUGENIA Vol. 25 No. 1 (2019)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.25.1.2019.31396

Abstract

Tailing is a type of waste produced by mining activities and is characterized by very low physical, chemical, and biological fertility, requiring efforts to amend its quality. The addition of organic materials as a soil ameliorant is one such effort of amendment to enhance success in rehabilitating these degraded areas. The aim of this study is to measure the effects of ameliorant on the growth and yield of sweet corn, determine dosage that will give the best growth and yield, and find out if residual mercury exists in the resultant sweet corn crop. This study used a randomized block design with 6 treatments: A= 40 tons/ha of organic fertilizer; B2= 50 tons/ha of organic fertilizer, C = 60 tons/ha of organic fertilizer, D = 40 tons/ha of organic+ fertilizer, E = 50 tons/ha of organic+ fertilizer, F = 60 ton/ha of organic+ fertilizer. The organic fertilizer used was a mix of 50% water hyacinth + 50% chicken manure, while organic+ fertilizer was a mix of 20% water hyacinth + 20% cow manure + 20% chicken manure + 20% traditional market waste + 20% rice straw. Every treatment was replicated four times, resulting in 24 experimental pots. Variables observed were: 1) cob length, 2) cob diameter, 3) cob weight. Data was analyzed using ANOVA and Tukey’s HSD at a test level of 5%. Results show that organic+ fertilizer increases the yield of sweet corn. A dosage of 60 tons/ha gave the best cobs with a weight of 199,89 grams per cob.
Co-Authors Antje G. Tulungen M. G. M. Polii Maria ., Montolalu R. Mamarimbing Rinny ., Mamarimbing Ronny Nangoi Saartje ., Sompotan Stella M. Th. Tulung T. D. Sondakh Tilda Titah