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All Journal JURNAL ILMU PERTANIAN Serambi Saintia : Jurnal Sains dan Aplikasi JUITECH: Jurnal Ilmiah Fakultas Teknik Universitas Quality JURNAL AGROTEKNOSAINS Jurnal Pengabdian Bukit Pengharapan

Sihaloho, Nani Kitti

Universitas Quality Berastagi

Author-ID : 2448331

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Immunology & microbiology Industrial & Manufacturing Engineering Nursing Public Health Transportation Other

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KAJIAN SIFAT KIMIA TANAH PADA LAHAN TERDAMPAK ABU VULKANIK GUNUNG SINABUNG Nani Kitti Sihaloho
JURNAL AGROTEKNOSAINS Vol 5, No 1 (2021): JURNAL AGROTEKNOSAINS
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v5i1.546

The eruption of Mount Sinabung from 2010 to 2019 greatly damaged crops and agricultural land in the area, with damage varying from mild to very heavy, mostly due to land and crops being swept away by hot clouds and covered in lava and volcanic ash. One of the areas affected by the eruption of Mount Sinabung was Tigapancur Village, Simpang Empat District, but it was still classified as a safe zone so that agriculture is still active. The eruption of Mount Sinabung was very disturbing to agriculture, due to volcanic ash so that production has decreased. This study aims to assess the chemical properties of soil in areas affected by volcanic ash of Mount Sinabung in the Tigapancur Village, Simpang Empat District, Karo Regency and soil analysis at the Research and Development Laboratory of PT. Nusa Pusaka Kencana Analytical & Qc. The Tebing Tinggi Bahilang Laboratory of Medan from October to November 2019. The results showed that there were differences in soil chemical properties including the degree of acidity (pH) and unequal macro-essential elements (N, P, K, Ca, Mg, S), so they were divided into several criteria (very low, low, medium and very high) both on land not affected by volcanic ash with a depth range of 0 - 5 cm and 5 - 20 cm.

Keberhasilan Pertautan Sambung Pucuk pada Kakao (Theobroma cacao L) dengan Waktu Penyambungan dan Panjang Entres Berbeda Susila Bety Ariani; Desi Sri Pasca Sari Sembiring; Nani Kitti Sihaloho
JURNAL AGROTEKNOSAINS Vol 1, No 2 (2017): Jurnal Agroteknosains
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v1i2.34

Tujuan Penelitian ini untuk mengetahui waktu sambung pucuk yang tepat dan panjang entres yang ideal terhadap tingkat keberhasilan pertautan sambungan Yang baik pada perbanyakan kakao (Theobroma cacao L). Penelitian ini dilakukan dengan menggunakan rancangan acak kelompok (RAK) yang diteliti menggunakan 2 faktor yaitu: Faktor1 waktu (W) penyambungan dengan tiga taraf perlakuan, yaitu W1 = Pagi hari (pukul 07.00-09.00), W2 =Siang hari (pukul 11.00-13.00), W3 =Sore hari (pukul 15.00-17.00). Faktor 2 panjang entres (P) dengan tiga taraf perlakuan, yaitu : P1 = 1,5 cm Panjang Entres, P2 = 4,5 cm Panjang Entres P3 = 7,5 cm Panjang Entres. Pelaksanaan grafting pada sore hari (W3) memperlihatkan keberhasilan pertautan sambungan lebih baik dan semakin baik lagi jika menggunakan entres yang lebih panjang (7,5 cm). Keberhasilan pertautan sambungan lebih tinggi jika grafting dilakukan pada sore hari dari pada pagi dan siang hari.penggunaan entres yang panjang hingga 7,5 cm, memberikan pertautan sambungan lebih baik dibandingkan entres pendek.

EVALUASI KESESUAIAN LAHAN SAWAH PASCA BANJIR BANDANG PADA TANAMAN PADI DI KABUPATEN ACEH TENGGARA Nani Kitti Sihaloho; Desi Sri Pasca Sari Sembiring
JURNAL AGROTEKNOSAINS Vol 3, No 1 (2019): Jurnal Agroteknosains
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v3i1.188

The aim of the study was to determine the level of suitability of wetland rice fields in the area before flash floods and post flash floods Lawe Tua Makmur Village, Lawe Alas Subdistrict, Southeast Aceh Regency and soil analysis at the Research and Development Laboratory of PT. Nusa Pusaka Kencana Analytical & Qc. Laboratory Bahilang Tebing Tinggi Medan in April 2016 and December 2017. It is carried out by a survey method that refers to the extent of the limiting factor of land characteristics. Data from observations in the field and data from laboratory analysis were matched to the criteria for the suitability of wetland rice classes. The results showed that the actual land suitability class for paddy rice in the area prior to banjir bandang was according to marginal / S3 (r, f) and the potential land suitability class was marginal / S3 (r). Actual land suitability class for wetland crops in the post-banjir bandang area according to marginal / S3 (r, f, n) and potential land suitability classes according to marginal / S3 (r). The limiting factor is the permanent texture of the soil so that it cannot be repaired and the limiting factors of CEC, organic C and N-total can still be improved by adding organic matter and fertilizing with nitrogen.

KARAKTERISTIK SIFAT KIMIA DAN FISIKA TANAH PADI SAWAH PASCA BANJIR BANDANG DI KECAMATAN SILIMA PUNGGA – PUNGGA KABUPATEN DAIRI Nani Kitti Sihaloho; Elvin Desi Martauli
JURNAL AGROTEKNOSAINS Vol 6, No 1 (2022): JURNAL AGROTEKNOSAINS
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v6i1.683

Rice (Oryza sativa L.) is the main food crop commodity that has a strategic function, namely as a staple food, so that domestic rice production plays a role in food security and self-sufficiency. The Ministry of Agriculture has made various efforts and breakthroughs in the midst of the COVID-19 pandemic on food security, including the acceleration of rice planting, development of swamp land, diversification of local food, strengthening of government rice reserves and community food barns. Dairi Regency is one of the rice producers in North Sumatra Province. However, the productivity of rice plants has decreased in Longkotan Village and Bonkaras Village, Silima Pungga - Pungga District, Dairi Regency, due to the flash flood that caused material and land damage. One form of land damage caused is rice fields that have been covered with mud. Based on data from the Dairi Regency agriculture office, after the flash flood in December 2018 resulted in damage to rice fields in Longkotan Village, which was 112 hectares and Bongkaras Village was approximately 40 hectares. The real impact of banjir bandang in addition to reducing rice fields that can be used by farmers, decreasing soil fertility due to environmental damage to rice fields such as loss of top soil which has chemical and physical properties of soil in the availability of nutrients so that it directly causes a decrease in soil productivity and rice plants. Therefore, it is studied to overcome the limited supply of national food, especially rice, through increasing the productivity of paddy fields, especially the chemical and physical characteristics of lowland rice soil after the flash flood so that it can analyze its management efforts to support rice demand in Dairi Regency. The study was to determine the chemical and physical characteristics of the soil of paddy fields after banjir bandang and its management techniques. The research was carried out from April to August 2021 in Longkotan Village and Bonkaras Village. Soil testing was carried out at the Research and Development Center Laboratory of PT. Nusa Pusaka Kencana Analytical & Qc. Laboratory of Bailang High Cliff Gardens, North Sumatra. Soil laboratory tests were conducted to determine the chemical and physical characteristics of the soil. Data analysis was carried out using a descriptive method, namely explaining a situation in the field based on the characteristics of the paddy field soil after the flash flood in the affected village. The results of this study are the clay content and organic matter contained in the soil of the Land Not Affected by Flash Floods. However, the soil pH in the Land Affected by Flash Floods is lower, this is due to the high sand fraction. Soil pH in Land Not Affected by Flash Floods is higher than soil pH in Land Affected by Flash Floods due to the higher organic matter content in Land Not Affected by Flash Floods. Based on the results of the research that the soil that has lower organic C is on the Land Affected by Flash Floods, namely 1.70% which includes low criteria. This is due to the loss of the top soil layer due to flash floods along with the Nitrogen and C-Organic content of the soil in the top soil layer. Because the rate of weathering and Ultisol formation runs faster, the wet climate with high temperature and rainfall causes Ultisols to be poor in organic matter.

OPTIMALISASI PENGGUNAAN LAHAN TANAMAN JERUK BERBASIS EVALUASI KESESUAIAN LAHAN DI KECAMATAN TIGA PANAH KABUPATEN KARO Nani Kitti Sihaloho
JURNAL AGROTEKNOSAINS Vol 6, No 2 (2022): JURNAL AGROTEKNOSAINS
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v6i2.878

Optimalisasi Penggunaan Lahan Tanaman Jeruk Berbasis Evaluasi Kesesuaian Lahan di Kecamatan Tigapanah Kabupaten Karo. Kabupaten Karo merupakan sentra produksi komoditas Jeruk. Salah satu daerah potensial untuk pengembangan Jeruk adalah Kecamatan Tigapanah Kabupaten Karo. Saat ini tingkat produksi Jeruk di Kabupaten Karo. Berdasarkan data BPS (2020) bahwa produksi Jeruk Siam/Keprok/Tangerine/Orange pada tahun 2017 yaitu 245 213,40 ton, tahun 2018 dengan total 212373,60, tahun 2019 yaitu 143 610,50. Potensi lahan umumnya ditentukan berdasarkan karakteristik dan kualitas lahan yang melekat (inherent) pada lahan tersebut. Penelitian ini bertujuan untuk mengetahui karakteristik dan kualitas lahan tanaman Jeruk di Kecamatan Tigapanah Kabupaten Karo, menentukan kelas kesesuaian lahan tanaman Jeruk yaitu kesesuaian lahan aktual dan kesesuaian lahan potensial di Kecamatan Tigapanah Kabupaten Karo, menganalisis rekomendasi pengelolaan lahan yang perlu dilakukan dalam meningkatkan produktivitas tanaman Jeruk Kecamatan Tigapanah Kabupaten Karo. Peningkatan produktivitas Jeruk Kecamatan Tigapanah Kabupaten Karo untuk mempertahankan dan meningkatkan produksi Jeruk, juga keberlanjutan pemanfataan lahan untuk areal lahan pertanian Jeruk sangat penting dilakukan karena posisi geografis wilayah Kecamatan Tigapanah Kabupaten Karo. Penelitian dilaksanakan pada bulan April sampai dengan September 2022 di Kecamatan Tigapanah Kabupaten Karo. Kegiatan uji tanah dilakukan di Laboratorium Research and Development Center PT. Nusa Pusaka Kencana Analytical & Oc. Laborotory Kebun Bahilang Tebing Tinggi Sumatera Utara. Analisis kesesuaian lahan untuk tanaman jeruk di Kecamatan Tigapanah Kabupaten Karo yaitu dengan mencocokkan (matching) hasil identifikasi karakteristik fisik, analisis laboratorium, dan kriteria syarat tumbuh tanaman. Hasil akhir dari keseluruhan rangkaian analisis tersebut di atas berupa kesesuaian lahan aktual dan potensial.

PENGARUH UKURAN BENIH DAN PEMAKAIAN PESTISIDA TERHADAP PERTUMBUHAN DAN HASIL BAWANG MERAH (Allium Ascalonicum L) Wajib Pandia; Sumatera Tarigan; Nani Kitti Sihaloho; Donatus Dahang; Ranto P. A Pintubatu
JURNAL AGROTEKNOSAINS Vol 6, No 2 (2022): JURNAL AGROTEKNOSAINS
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v6i2.914

Research on the effect of tuber size and use of pesticides on the growth and yield of red onion (Allium Ascalonicum L) has been carried out at the UPT Seed Parent Horticulture Kutagadung Berastagi, Berastagi District, Karo Regency, from April-June 2021. The aim of the study were to determine the optimal seed size for growth and production of red onion variety of Batu Ijo and to find out how much pesticide dose was recommended.The results showed that the best plant height influenced by tuber size was U3 (N 12) 21.8 cm and U1 20 cm. Meanwhile, the lowest was U0 of 16.2 cm. The average number of plants that were most affected by fusarium disease was P0, the treatment with the least amount of pesticide was 15.5 plants. On the contrary, the lowest average was found at the level of P3 treatment, which was only 1 plant. Disease occurs along with increasing doses of fungicides and pesticides Optimum pesticide levels are h P2 (3 g of fungicide + 3 ml of insecticide) which produced an average number of tubers of 4,208. The highest average number of tubers was found at U3 which was 5.85 and the lowest was at U0 2.56. U3 level (seed tuber size > 15 grams) is the optimum treatment level. The average production per sample is the largest in the treatment effect of U3 which is 35.89 gr and the lowest is at U0 (5.52 gr). The average production per plot of the effect of pesticide level was P3 857.3 g or 0.8573 kg and the lowest was P0 689.1 g or 0.6891 kg. The average production per plot of the effect of seed tuber size level was U3 1507.2 gr or 1.5072 kg and the lowest was U0 194.3 gr or 0.1943 gr. The average production of shallots per plot was found in the U3P3 treatment (1589 gr or 1,589 kg) and the lowest was at U0P0 (159.3 gr).

IDENTIFIKASI SIFAT KIMIA TANAH PADA TANAMAN JERUK (Citrus sp.) KECAMATAN TIGAPANAH KABUPATEN KARO Nani Kitti Sihaloho; Karel Sinar Malolikosa; Alex Wanson Munthe
JURNAL AGROTEKNOSAINS Vol 7, No 1 (2023): Jurnal Agroteknosains
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v7i1.1034

Identification of Soil Chemical Properties in Citrus Plants (Citrus sp.) Tigapanah District, Karo Regency. North Sumatra Province is one of the provinces in Indonesia where most of the population earns a living in agriculture, including citrus plants. This study aims to identify the chemical properties of the soil in Jeruk fields, to determine the condition of the land and determine recommendations for the management of Jeruk fields in Tigapanah District, Karo Regency. The research was carried out from December 2022 to March 2023 in Tigapanah District, Karo Regency. Soil test activities were carried out at the Research and Development Center Laboratory of PT. Nusa Pusaka Kencana Analytical & Oc. Bagulung Gardens Laboratory, Tebing Tinggi, North Sumatra. The end result of the entire series of analyzes mentioned above is the identification of chemical properties of Jeruk fields in Tigapanah District, Karo Regency and recommendations for land management to be carried out in order to increase the productivity of Citrus plants in Tigapanah District, Karo Regency. The chemical characteristics of the soil in Jeruk field, Tigapanah District, Karo Regency, namely soil pH is classified as neutral, base saturation is moderate, Cation Exchange Capacity is moderate, available-P is high and C-organic is high. The chemical fertility status of the soil in Jeruk fields in Tigapanah District, Karo Regency is classified as Medium.

PENGARUH BERBAGAI JARAK TANAM DAN FREKWENSI PENYIANGAN TERHADAP PERTUMBUHAN DAN PRODUKSI WORTEL (Daucus Carota L.) Lyndon Parulian Nainggolan; Donatus Dahang; Nani Kitti Sihaloho; Chaula Lutfia Saragih; Lenni Marlina Pasaribu
JURNAL AGROTEKNOSAINS Vol 7, No 1 (2023): Jurnal Agroteknosains
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v7i1.1017

Research on the effect of plant spacing and weeding time on the growth and production of carrots (Daucus carota L) has been well carried out in February-May 2021 at UPT. Kutagadung Horticulture Parent Seeds. Berastagi District, Karo Regency, North Sumatra. The aim of the study was to determine the effect of spacing and weeding time on the growth and yield of carrots. The results showed that the average plant height affected by the distance between J1 18.5 cm and J2 16.4 cm and J3 15.2. cm and the average height of the influence of weeding, namely M0 (17 cm) was significantly different from M1 (16.5 cm), M2 (16.6 cm), and M4 (16.5 cm). The effect of spacing (J) on tuber length showed that J1 (17.51 cm) was significantly different from J2 (18.22 cm) and J3 (18.23 cm). The effect of spacing (J) treatment on tuber diameter showed that J1 (3.36 cm) was significantly different from J2 (3.79 cm), and significantly different from J3 (5.27 cm), the effect of weeding time (M0) 3, 52 cm was significantly different from M1 (4.14 cm), M2 (4.25 cm), M3 (4.34 cm), and M4 (4.47 cm), and the combination treatment J1M0 resulted in the smallest tuber size of 3.1 cm. and the largest in J3M4 is 5.75 cm. The combination of J3M4 produced the highest tuber diameter of 5.75 cm which was the optimum treatment. The effect of plant spacing on tuber weight per sample was found that J1 (86.47 gr) was significantly different from J2 (101.82 gr) and J3 (186.48 gr), the effect of the weeding time factor M0 (70.24 gr) was significantly different from M1 (135.41 gr), M2 (137 gr), M3 (137.88), and M4 (144.08 gr)

Evaluation of Soil Fertility for Horticultural Planting in Post-Eruption of Mount Sinabung Land Recovery Sihaloho, Nani Kitti; Sinaga, Roida; Gracia, Sarah
JURNAL AGROTEKNOSAINS Vol 7, No 2 (2023): Jurnal Agroteknosains
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v7i2.1184

Evaluation of Soil Fertility for Horticultural Plantings in Land Recovery After the Eruption of Mount Sinabung. Karo Regency. North Sumatra is known as a center for Horticultural production (vegetables, fruits and ornamental plants) where the livelihoods of the population are primarily food crop and horticulture farming as well as mixed plantations. Karo Regency also has a volcano that is active again in Indonesia, namely Mount Sinabung. Mount Sinabung after approximately 10 years after the eruption, namely the eruption on August 27 2010, after the eruption of Mount Sinabung that volcanic material deposits within a certain period of time will experience weathering. This weathering will produce fertile soil that can be used for horticultural crops. Minerals contained in volcanic eruptions will decay and release various nutrients that are fertile for plant needs. The purpose of this study was to determine the parameters of soil fertility in horticultural cropping land in Karo District after approximately 10 years of the eruption of Mount Sinabung in increasing horticultural crop production and influencing agriculture in the future. The research was carried out from April to December 2023 in Karo Regency. Soil analysis activities were carried out at the Research and Development Center Laboratory of PT. Nusa Pusaka Kencana Analytical & Oc. Laboratory of Baringan Tebing Tinggi Gardens, North Sumatra. Soil analysis tests in the laboratory were carried out to determine the soil fertility parameter values for horticultural plantings after the eruption of Mount Sinabung. Urgency This research determines the evaluation of soil fertility in horticultural crops, in Karo District after the Mount Sinabung Eruption for land recovery and food security in North Sumatra and can identify horticultural land that requires a special strategy in its management and land management in post-eruption land recovery of Mount Sinabung. The results showed that the status of soil fertility in Tigapanah District was that the land was not affected by the eruption of Mount Sinabung, namely Moderate, with the limiting factors for soil fertility being CEC with the Low and Medium categories, and soil Potassium content with very low criteria. The status of soil fertility in Nemanteran District with the condition of the land affected by the eruption of Mount Sinabung is Moderate with the limiting factor for soil fertility being KB in the Low category, and soil Potassium content with very low criteria.

DAMPAK KEBERADAAN AGROWISATA TERPADU GUNDALING FARMSTEAD PADA PEMBANGUNAN DI DESA LAU GUMBA KECAMATAN BERASTAGI KABUPATEN KARO SUMATERA UTARA Gracia, Sarah; Sinaga, Roida Ervina; Sihaloho, Nani Kitti
JURNAL AGROTEKNOSAINS Vol 7, No 2 (2023): Jurnal Agroteknosains
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v7i2.1209

The aims of this research are (1) to see the extent of the development contribution provided by the existence of Gundaling Farmstead integrated agrotourism in Lau Gumba Village, (2) What is the impact of Gundaling Farmstead integrated agrotourism on the socio-economics of the surrounding community. The research steps begin with an initial identification process, then data collection (interviews and questionnaires), tabulation, data analysis, until finally producing conclusions and report suggestions. The community population in Jaranguda Hamlet, Lau Gumba Village, is 459 people based on the initial survey. Determination of the sample in this research was by using simple random sampling. For sampling, the Arikunto formula was used so that the sample taken was 45 people. The analytical method used is descriptive analysis and t-test statistical analysis. The results of this research show that there are real differences in social and economic conditions before and after the existence of the Gundaling Farmstead integrated agrotourism in Lau Gumba Village, Berastagi District, Karo Regency with the results of the t test. Social criteria: t table = 2.014 while t count = 31.737, then t count > t table, so H1 is accepted and H0 is rejected. Economic criteria: t table = 2.014 while t count = 23.991, then t count > t table, so H1 is accepted and H0 is rejected. The existence of the Gundaling Farmstead Integrated Agrotourism in Lau Gumba Village is proven by the results of hypothesis testing showing that there have been changes in social and economic conditions that are better than before the existence of this agrotourism.

Co-Authors Alex Wanson Munthe Desi Sri Pasca Sari Desi Sri Pasca Sari Sembiring, Desi Sri Pasca Sari Donatus Dahang Donatus Dahang Eduard Gracia, sarah Hagai Bastanta Karo Sekali Karel Sinar Malolikosa Kati Kati Kati, Kati Lenni Marlina Pasaribu Lyndon Parulian Nainggolan Martauli, Elvin Desi Ranto P. A Pintubatu Ridwan Ginting Rika Alasia Risman Halawa Saragih, Chaula Lutfia Sinaga, Roida Sinaga, Roida Ervina Susila Bety Ariani Tarigan, Sumatera Wajib Pandia Yohannes Pebrianta Sinuhaji

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