Zainabun

Syiah Kuala University

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Co-Authors

Nurul Aiman

Huma Bahri

University of Monastir

Mukhtaruddin Mukhtaruddin

Sriwijaya University

Ainun Marliah

Syiah Kuala University

Manfarizah Manfarizah

Syiah Kuala University

Purwana Satriyo

Syiah Kuala University

Julistia Bobihoe

Indonesian Agency for Agricultural Research and Development

H Hasanuddin

Syiah Kuala University

Dewi Sartika Aryani

Malikussaleh University

Uzair

University of Management and Technology

Cooperative Institutions

Syiah Kuala University

Malikussaleh University

Universitas Islam Negeri Ar-Raniry

Indonesian Agency for Agricultural Research and Development

National Research and Innovation Agency

University of Monastir

Abdul Wali Khan University Mardan

École Nationale d'Agriculture de Meknès

Sriwijaya University

Universitas Islam Negeri Sumatera Utara

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Agricultural soil fertility properties in the near infrared spectrum

IOP Conference Series Earth and Environmental Science (2021)

Agus Arip Munawar D Devianti Purwana Satriyo Zainabun

Abstract Soil spectrum in the near infrared (NIR) wavelength region can be used to reveal fertility properties which is related to plant cultivations. The main purpose of this presented paper is to study the soil spectrum in the NIR region and its related to the fertility properties in form of heavy metals like Fe and Cu. Soil samples were obtain from several land-use including agriculture, mining and ground field. Near infrared spectrum of soil samples were acquired in wavelength range from 1000 to 2500 nm. Prediction models used to determine Fe and Cu were built by means of partial least squares regression (PLSR) followed by leverage cross validation. Prediction performance was evaluated using coefficient of determination (r 2 ) and ratio of prediction to deviation (RPD). The results showed that both Fe and Cu can be revealed simultaneously using the NIR spectrum with maximum r 2 and RPD indexes were 0.93 and 3.86 for Fe and 0.71 and 1.88 for Cu prediction respectively. Based on the achieved results, it may conclude that soil fertility properties can be revealed simultaneously and rapidly using mear infrared spectral data.

Leverage (statistics)

Soil test

10.1088/1755-1315/922/1/012006

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Allelopathic potential of siam weed (Chromolaena odorata L.) extract for enhancing soybean productivity

IOP Conference Series Earth and Environmental Science (2021)

H Hasanuddin Siti Hafsah Gina Erida Ainun Marliah Huma Bahri

Abstract Many tropical invasive species have strong allelopathic effects. Chromolaena odorata is reported to have the best potential to act as bioherbicide against several weeds on crops. This research was conducted in May-September 2019 to evaluate the efficacy of C. odorata extract on soybean plant. This study employed Randomized Block Design (RBD) Factorial with two factors. The first factor was 4 different doses of C. odorata extracts: 0, 8, 16 and 24 tons ha −1 . The second factor was 3 different times of application: 0, 7 and 14 days after planting. Variables observed were number of pods per plant, seed weight per plant, weight of 100 seeds and dry seed yield. The findings indicated that the extract did have effect on seed weight per plant, weight of 100 seeds and yield of dry seeds. The application of extract 16-24 tons ha −1 has improved the seed weight per plant, weight of 100 seeds, and yield of dry seeds. There was no interaction between siam weed extract and time of application in all variables observed.

Chromolaena odorata

Bioherbicide

Allelopathy

Dry weight

10.1088/1755-1315/922/1/012003

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Physical and chemical characteristics in peat lands of Aceh Jaya District, Indonesia

IOP Conference Series Earth and Environmental Science (2020)

Teti Arabia Hairul Basri Manfarizah Manfarizah Zainabun Mukhtaruddin Mukhtaruddin

Abstract This study aims to determine the physical and chemical characteristics of the peat lands (Histosols) in Aceh Jaya District using descriptive method. The results showed that some physical characteristics such as: water saturation in drilling-M1 (fibric soil materials) was 786.06% higher than drilling-M2 (hemic soil materials) and drilling-M3 (sapric soil materials) were 568.01% and 549.97%, respectively. Bulk density (BD) of drilling-M1, drilling-M2 and drilling-M3 are very low (0.08 - 0.12 g cm −3 ). Porosity in drilling-M1, drilling-M2 and drilling- M3 are classified as very porous at 95.00%, 93.00% and 90.54%. Some chemical characteristics show as follows: pH in drilling-M1, drilling-M2, and drilling-M3 categorized acid (4.52 - 5.16). Organic-C in drilling-M1, drilling-M2, and drilling-M3 ranges of 20.75 - 55.62% (very high). Exchangeable bases for calcium (3.6 - 23.9 cmol.kg −1 ), Mg (0.6 - 18.1 cmol.kg −1 ), and K (0.18 - 1.22 cmol.kg −1 ) are classified as low - very high. Exchangeable acidity for H (1.2 - 6.1 cmol.kg −1 ) higher than Al measured only in the drilling of M3 layers of Oa3 (2.3 cmol.kg −1 ). The CEC in drilling-M1, drilling-M2 and drilling-M3 ranges from 35.28 - 204.48 cmol.kg −1 (high - very high). Bases saturation (BS) ranges from very low - high (11.73 - 73.27%). Soil EC ranges 0.48 - 0.92 dS cm −1 (very low).

Saturation (graph theory)

10.1088/1755-1315/499/1/012004

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Citations (7)

Evaluasi beberapa metode kimia untuk mengestimasi nitrogen termineralisasi pada beberapa jenis tanah

Zainabun Nurul Aiman Uzair

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