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All Journal AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Journal of Smart Agriculture and Environmental Technology
Harnas, Hafid
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science Veterinary

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Application of KoHeA+MF Compost at Various Dose of Inorganic Fertilizer to Increase Soil Fertility and Production of Hybrid Corn Seeds JH-37 Wulantika, Trisia; Sondang, Yun; Sembiring, Ngakumalem; Hardaningsih, Wiwik; Wahono, Sentot; Fitri, Febria; Ariliusra, Azzukhruf; Harnas, Hafid
Journal of Smart Agriculture and Environmental Technology Vol. 3 No. 2 (2025): August 2025, Published 2025-08-19
Publisher : Indonesian Soil Science Society of South Sumatra in Collaboration With Soil Science Department, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60105/josaet.2025.3.2.65-71

Abstract

Corn is one of the important food commodities after rice and wheat. Corn acts as a food, feed, and industrial ingredient. The need for corn in Limapuluh Kota Regency is very high along with the development of chicken farming businesses that require corn as the largest feed mixture. However, the need for corn has not been met by corn production in this Regency. The low corn production is more due to the low supply and use of superior corn seeds, as well as low soil fertility. One effort to increase soil fertility is the use of KoHeA+MF compost. The purpose of this study is to ascertain how the production of KoHeA+MF hybrid seeds is impacted by the dosage of KoHeA+MF compost and the quantity of inorganic fertilizer that can be substituted. The study was conducted from May to September 2024 at the seed production land of PT. AZUMA Situjuah, Limapuluh Kota Regency, West Sumatra. The study used a Randomized Block Design (RBD) with 5 treatments, including: 100% inorganic fertilizer (Control), 75% inorganic fertilizer + 10 tons/ha KoHeA+MF, 50% inorganic fertilizer + 10 tons/ha KoHeA+MF, 25% inorganic fertilizer + 10 tons/ha KoHeA+MF, and 0% inorganic fertilizer + 10 tons/ha KoHeA+MF.The application of various doses of inorganic fertilizer combined with 10 tons/ha KoHeA+MF affected soil fertility, especially the increase in soil pH (H2O), organic C, total N, P2O5, K2O, and soil Ca. The application of inorganic fertilizer + 10 tons/ha KoHeA+MF significantly affected vegetative growth, yield components and corn kernel production of JH37 corn. The optimal dosage for dry corn kernel production is 10 tons/ha of KoHeA+MF and 75% inorganic fertilizer.
Daya Gabung Galur Inbred, Penampilan dan Heterosis Hibrida Silang Tunggal Jagung (Zea mays L.): Daya Gabung Galur Inbred, Penampilan dan Heterosis Hibrida Silang Tunggal Jagung (Zea mays L.) Oktakia, MS Dela; Hayati, PK Dewi; Sutoyo; Harnas, Hafid
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 9 No 2 (2025): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/fsxx0486

Abstract

The utilization of superior hybrid varieties is pivotal in enhancing national maize productivity. Therefore, the continuous development of cultivars specifically adapted to distinct agroecosystems remains imperative. To that end, this study evaluated six inbred lines and 15 single-cross hybrids derived from a half diallel mating design to assess the combining ability of these inbred lines and examine the agronomic performance and heterotic expression manifested in the resulting hybrids. All genotypes, including the hybrids, inbred parents, and a check variety (P32), were tested using an RCBD with two replications in Nagari Situjuah, West Sumatra, Indonesia. The data were analyzed using F-tests followed by a planned LSD test with SAS software at the 5% significance level. PCA and path analysis were performed using RStudio, while GCA and SCA were analyzed using Diallel-SAS software. Results showed that the UZ 9 line performed the highest GCA for growth, flowering and yield-related traits. Hybrids UZ 3><UZ 9 (H2), P137-1><R2 (H14), and CLYN><R2 (H15) exhibited the best SCA values, coupled with superior agronomic performance, positive and high heterosis, heterobeltiosis, and standard heterosis for yield, achieving up to 11 tons hectare⁻¹, comparable to P32. PCA further supported these findings, which revealed that H2, H14, and H15 were associated with shorter flowering, harvesting periods and higher kernel yield. Path analysis identified kernel weight ear⁻¹ as the most influential variable affecting kernel yield hectare⁻¹. These findings highlight H2, H14, and H15 as promising hybrids with strong potential for further development and evaluation before release as new superior hybrid varieties.
Co-Authors Ariliusra, Azzukhruf Fitri, Febria Hardaningsih, Wiwik Hayati, PK Dewi Oktakia, MS Dela Sembiring, Ngakumalem Sentot Wahono Sutoyo Trisia Wulantika Yun Sondang