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All Journal Jurnal Ekonomi Jurnal Agroteknologi dan Pertanian (JURAGAN) Jurnal Agroteknologi dan Pertanian (JURAGAN)
Febriyanti, Melly
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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PENGARUH GAYA KEPEMIMPINAN TRANSFORMASIONAL, MOTIVASI DAN KOMPENSASI TERHADAP KINERJA KARYAWAN Widayati, Catur; H. Rahardjo, Thea; Febriyanti, Melly
Jurnal Ekonomi Vol 22, No 3 (2017): November 2017
Publisher : Fakultas Ekonom dan Bisnis, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/je.v22i3.286

Abstract

This research aims to examine and analyze the influence of Transformationalleadership style, motivation and compensation on performance of employees at PT.Hanken Indonesia Cibitung. The methods used in this research is descriptive method. The object of this research is all staff office division who worked in PT. Hanken Indonesia Cibitung with a population 125 people. Sampling technique using non-probability sampling with total samples is 95 people. The approach used in this research is a Structural Equation Models (SEM) with Smart analysis tools-PLS. The results showed transformational leadership style gives a positive and significant influence on employee performance. Work motivation has no significant on employee performance.Compensation provides a positive and significant effect on performance employees. This is evidenced from the results of hypothesis testing (t-test) which shows the significance value of the independent variables.
PEMANFAATAN BIOCHAR SEBAGAI AMANDEMEN TANAH UNTUK MENINGKATKAN KESUBURAN DAN SERAPAN HARA PADA TANAMAN SINGKONG Muharomi, Al; Kurniawan, Doni; Viano, Rama Al; Febriyanti, Melly
Jurnal Agroteknologi dan Pertanian (JURAGAN) Vol 6 No 1 (2025): JURAGAN (JURNAL AGROTEKNOLOGI DAN PERTANIAN) APRIL 2025
Publisher : LPPM Universitas Bina Insan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32767/juragan.v6i1.373

Abstract

Pemanfaatan biochar sebagai amandemen tanah semakin mendapat perhatian sebagai strategi peningkatan kesuburan tanah dan efisiensi serapan hara tanaman dalam sistem pertanian berkelanjutan. Penelitian ini bertujuan untuk mengevaluasi pengaruh aplikasi biochar dari limbah sekam padi terhadap sifat kimia tanah, serapan hara utama (N, P, K), serta pertumbuhan dan hasil tanaman singkong (Manihot esculenta Crantz) pada lahan marginal. Penelitian dilaksanakan di lahan percobaan Fakultas Ilmu Tanaman dan Hewani, Universitas Bina Insan, selama satu musim tanam (4 bulan) menggunakan Rancangan Acak Kelompok dengan empat perlakuan dosis biochar, yaitu 0 (kontrol), 5, 10, dan 15 ton/ha, masing-masing dengan tiga ulangan. Biochar yang digunakan diproduksi melalui pirolisis sekam padi pada suhu 500°C dan diaplikasikan ke tanah sebelum tanam. Parameter yang diamati meliputi pH tanah, kandungan bahan organik, kapasitas tukar kation (KTK), serapan nitrogen, fosfor, kalium dalam jaringan tanaman, serta pertumbuhan tanaman dan hasil umbi segar. Hasil penelitian menunjukkan bahwa aplikasi biochar secara signifikan meningkatkan pH tanah, bahan organik, dan KTK, dengan peningkatan paling optimal pada dosis 10 ton/ha. Serapan hara oleh tanaman meningkat sejalan dengan dosis biochar, yang berkontribusi pada pertumbuhan vegetatif dan hasil umbi yang lebih tinggi dibanding kontrol. Produksi umbi tertinggi diperoleh pada dosis 10 ton/ha dengan rata-rata hasil sebesar 38 ton/ha, meningkat signifikan dibanding kontrol yang hanya 25 ton/ha. Peningkatan dosis hingga 15 ton/ha tidak memberikan peningkatan hasil yang signifikan, menunjukkan adanya dosis optimal biochar. Penelitian ini mengindikasikan bahwa biochar dari limbah sekam padi efektif sebagai amandemen tanah untuk meningkatkan kesuburan dan hasil singkong pada lahan marginal. Penerapan biochar dapat menjadi solusi agronomi berkelanjutan yang mendukung ketahanan pangan dan pengelolaan sumber daya secara efisien
PEMANFAATAN BIOCHAR SEBAGAI AMANDEMEN TANAH UNTUK MENINGKATKAN KESUBURAN DAN SERAPAN HARA PADA TANAMAN SINGKONG Muharomi, Al; Kurniawan, Doni; Viano, Rama Al; Febriyanti, Melly
Jurnal Agroteknologi dan Pertanian (JURAGAN) Vol 6 No 1 (2025): JURAGAN (JURNAL AGROTEKNOLOGI DAN PERTANIAN) APRIL 2025
Publisher : LPPM Universitas Bina Insan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32767/juragan.v6i1.373

Abstract

Pemanfaatan biochar sebagai amandemen tanah semakin mendapat perhatian sebagai strategi peningkatan kesuburan tanah dan efisiensi serapan hara tanaman dalam sistem pertanian berkelanjutan. Penelitian ini bertujuan untuk mengevaluasi pengaruh aplikasi biochar dari limbah sekam padi terhadap sifat kimia tanah, serapan hara utama (N, P, K), serta pertumbuhan dan hasil tanaman singkong (Manihot esculenta Crantz) pada lahan marginal. Penelitian dilaksanakan di lahan percobaan Fakultas Ilmu Tanaman dan Hewani, Universitas Bina Insan, selama satu musim tanam (4 bulan) menggunakan Rancangan Acak Kelompok dengan empat perlakuan dosis biochar, yaitu 0 (kontrol), 5, 10, dan 15 ton/ha, masing-masing dengan tiga ulangan. Biochar yang digunakan diproduksi melalui pirolisis sekam padi pada suhu 500°C dan diaplikasikan ke tanah sebelum tanam. Parameter yang diamati meliputi pH tanah, kandungan bahan organik, kapasitas tukar kation (KTK), serapan nitrogen, fosfor, kalium dalam jaringan tanaman, serta pertumbuhan tanaman dan hasil umbi segar. Hasil penelitian menunjukkan bahwa aplikasi biochar secara signifikan meningkatkan pH tanah, bahan organik, dan KTK, dengan peningkatan paling optimal pada dosis 10 ton/ha. Serapan hara oleh tanaman meningkat sejalan dengan dosis biochar, yang berkontribusi pada pertumbuhan vegetatif dan hasil umbi yang lebih tinggi dibanding kontrol. Produksi umbi tertinggi diperoleh pada dosis 10 ton/ha dengan rata-rata hasil sebesar 38 ton/ha, meningkat signifikan dibanding kontrol yang hanya 25 ton/ha. Peningkatan dosis hingga 15 ton/ha tidak memberikan peningkatan hasil yang signifikan, menunjukkan adanya dosis optimal biochar. Penelitian ini mengindikasikan bahwa biochar dari limbah sekam padi efektif sebagai amandemen tanah untuk meningkatkan kesuburan dan hasil singkong pada lahan marginal. Penerapan biochar dapat menjadi solusi agronomi berkelanjutan yang mendukung ketahanan pangan dan pengelolaan sumber daya secara efisien
PEMBERIAN KOMBINASI PUPUK ORGANIK HAYATI DAN PUPUK NITROGEN SINTETIK UNTUK PERBAIKAN SIFAT KIMIA TANAH, PERTUMBUHAN DAN HASIL SAWI febriyanti, melly
Jurnal Agroteknologi dan Pertanian (JURAGAN) Vol 6 No 2 (2025): JURAGAN (JURNAL AGROTEKNOLOGI DAN PERTANIAN) OKTOBER 2025
Publisher : LPPM Universitas Bina Insan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32767/juragan.v6i2.419

Abstract

The continuous use of chemical fertilizers can lead to a decrease in soil quality and environmental pollution. Biological organic fertilizer (BOF) is commonly used to improve soil chemical properties. However, the fertilizer release nutrients slowly so that the effect is not significant mainly at early stage of plant growth. Consequently, farmers have not been interested to use the fertilizer. Biological organic fertilizers are organic fertilizers enriched with functional microbes, so that the combination of synthetic fertilizers and biological organic fertilizers can increase the availability of nutrients, stimulate growth and improve soil properties. However, the effectiveness of the biofertilzer to improve soil chemical properties and substituting for synthetic N fertilizer have not been evaluated intensively. The experiment was carried out in two stages, namely an incubation experiment and a field experiment for two months in December 2018 - January 2019 The study aimed to determine changes in soil chemical properties under the application of biofertilizer and determine the balance of N and BOF fertilizers for growth and yield of mustard biomass. The incubation experiment assigned Completely Randomized Design (CRD) with 5 treatements and 3 replications. The treatment was the application of biofertilizer at doses of 0, 2.4, 4.6, 7.0, 9.2 tons/ha. Meanwhile, the field experiment used Randomized Complete Block Desugn (RCBD) with 5 treatments with 3 replications. The treatments were 100% N + 0% BOF, 75% N + 25% BOF, 50% N + 50% BOF, 25% N + 75% BOF, 0% N + 100% BOF, 0% N + 0% BOF. The results showed that the application of biological organic fertilizers increased soil pH, total N and decreased organic C and C/N ratios. The substitution of synthetic N and BOF increased plant height, LD 33, ILD 28, ILD 33, LTR 33, LTR 40, plant fresh weight and fresh weight per plot. In summary,the use of biological organic fertilizers is able to substitute for the N from synthetic fertilizer for the growth of mustard and can improve the soil properties, leading to an increase in mustard yields environment and lead to an increase in mustard plant yields.
PEMBERIAN KOMBINASI PUPUK ORGANIK HAYATI DAN PUPUK NITROGEN SINTETIK UNTUK PERBAIKAN SIFAT KIMIA TANAH, PERTUMBUHAN DAN HASIL SAWI febriyanti, melly
Jurnal Agroteknologi dan Pertanian (JURAGAN) Vol 6 No 2 (2025): JURAGAN (JURNAL AGROTEKNOLOGI DAN PERTANIAN) OKTOBER 2025
Publisher : LPPM Universitas Bina Insan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32767/juragan.v6i2.419

Abstract

The continuous use of chemical fertilizers can lead to a decrease in soil quality and environmental pollution. Biological organic fertilizer (BOF) is commonly used to improve soil chemical properties. However, the fertilizer release nutrients slowly so that the effect is not significant mainly at early stage of plant growth. Consequently, farmers have not been interested to use the fertilizer. Biological organic fertilizers are organic fertilizers enriched with functional microbes, so that the combination of synthetic fertilizers and biological organic fertilizers can increase the availability of nutrients, stimulate growth and improve soil properties. However, the effectiveness of the biofertilzer to improve soil chemical properties and substituting for synthetic N fertilizer have not been evaluated intensively. The experiment was carried out in two stages, namely an incubation experiment and a field experiment for two months in December 2018 - January 2019 The study aimed to determine changes in soil chemical properties under the application of biofertilizer and determine the balance of N and BOF fertilizers for growth and yield of mustard biomass. The incubation experiment assigned Completely Randomized Design (CRD) with 5 treatements and 3 replications. The treatment was the application of biofertilizer at doses of 0, 2.4, 4.6, 7.0, 9.2 tons/ha. Meanwhile, the field experiment used Randomized Complete Block Desugn (RCBD) with 5 treatments with 3 replications. The treatments were 100% N + 0% BOF, 75% N + 25% BOF, 50% N + 50% BOF, 25% N + 75% BOF, 0% N + 100% BOF, 0% N + 0% BOF. The results showed that the application of biological organic fertilizers increased soil pH, total N and decreased organic C and C/N ratios. The substitution of synthetic N and BOF increased plant height, LD 33, ILD 28, ILD 33, LTR 33, LTR 40, plant fresh weight and fresh weight per plot. In summary,the use of biological organic fertilizers is able to substitute for the N from synthetic fertilizer for the growth of mustard and can improve the soil properties, leading to an increase in mustard yields environment and lead to an increase in mustard plant yields.
Co-Authors Christina Catur Widayati Doni Kurniawan H. Rahardjo, Thea Muharomi, Al Viano, Rama Al