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Chotimah, Andina
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Agriculture, Biological Sciences & Forestry

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Journal : Soil REns

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Efek Aplikasi Pupuk NPK cair terhadap P-tersedia, Serapan P, dan Bobot Umbi Bawang Merah (Allium ascalonicum L.) di Tanah Inceptisol Jatinangor Setiawati, Mieke Rochimi; Maharani, Nadhira Saniya; Suryatmana, Pujawati; Hindersah, Reginawanti; Fitriatin, Betty Natalie; Chotimah, Andina; Aditya, Fasa
Soilrens Vol 22, No 2 (2024)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v22i2.61717

Abstract

The increase in corn plant growth is greatly influenced by cultivation techniques includingfertilization. However, the use of inorganic fertilizers for a long period of time can reduce soil quality.An alternative environmentally friendly technology that can substitute for the use of inorganicfertilizers is the biological fertilizer of nitrogen-fixing endotypic bacteria. These endophytic bacteriahave benefits as growth stimulants for plants in increasing nitrogen supply through N2 fixationthrough the air. This study aims to increase the growth of corn plants through the application methodand type of nitrogen-fixing endophytic bacteria. This study used a Randomized Block Design (RBD).The treatment of types and application methods consisted of treatments without endophytic bacterialisolates, endophytic bacterial isolates Gluconacetobacter diazotrophicus Corrig, G. diazotrophicusstrain 4L, and Burkholderia gladioli with three application methods, namely seed treatment, soiltreatment, and their combinations. The results of the study showed that G. diazotrophicus 4L bacteriaapplied by seed and soil treatment gave the best effect on the growth of corn plants on the parametersof the endophytic bacterial population in leaf tissue, wet weight and dry weight of corn by 1 and 3times compared to the control and there was also a tendency to increase the dry and wet weight of thecorn plant crown
Respon Tanaman Jagung terhadap Cara Aplikasi dan Jenis Bakteri Endofitik Penambat Nitrogen Setiawati, Mieke Rochimi; Maharani, Nadhira Saniya; Suryatmana, Pujawati; Hindersah, Reginawanti; Fitriatin, Betty Natalie; Chotimah, Andina; Aditya, Fasa
Soilrens Vol 22, No 2 (2024)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v22i2.64415

Abstract

The increase in corn plant growth is greatly influenced by cultivation techniques includingfertilization. However, the use of inorganic fertilizers for a long period of time can reduce soil quality.An alternative environmentally friendly technology that can substitute for the use of inorganicfertilizers is the biological fertilizer of nitrogen-fixing endotypic bacteria. These endophytic bacteriahave benefits as growth stimulants for plants in increasing nitrogen supply through N2 fixationthrough the air. This study aims to increase the growth of corn plants through the application methodand type of nitrogen-fixing endophytic bacteria. This study used a Randomized Block Design (RBD).The treatment of types and application methods consisted of treatments without endophytic bacterialisolates, endophytic bacterial isolates Gluconacetobacter diazotrophicus Corrig, G. diazotrophicusstrain 4L, and Burkholderia gladioli with three application methods, namely seed treatment, soiltreatment, and their combinations. The results of the study showed that G. diazotrophicus 4L bacteriaapplied by seed and soil treatment gave the best effect on the growth of corn plants on the parametersof the endophytic bacterial population in leaf tissue, wet weight and dry weight of corn by 1 and 3times compared to the control and there was also a tendency to increase the dry and wet weight of thecorn plant crown.
Bacillus-Coated Inorganic Fertilizer to Improve Plant Growth and Bacillus Count in the Rhizosphere of Broccoli Hindersah, Reginawanti; Setiawati, Mieke Rochimi; Suryatmana, Pujawati; Fitriatin, Betty Natalie; Chotimah, Andina; Dewi, Yeni Wispa; Risanti, Rara Rahmatika
Soilrens Vol 23, No 1 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i1.66092

Abstract

Inovasi pupuk Bacillus pembentuk endospora berlapis NPK diharapkan dapat mengatasi rendahnya ketersediaan fosfat pada tanah Andisol. Telah dilakukan percobaan pot untukmenganalisis dampak berbagai dosis dua jenis BCN terhadap pertumbuhan dan biomassa brokoli,serta terhadap populasi Bacillus di rizosfernya. Percobaan disusun dalam rancangan blok acak untukmenguji kombinasi jenis dan dosis BCN dibandingkan dengan NPK dan inokulan cair Bacillus. Tidakada kombinasi jenis dan dosis BCN yang mempengaruhi pertumbuhan brokoli umur 6 minggu,meskipun 100% BCN-B meningkatkan tinggi tanaman pada 2 minggu. Biomassa akar meningkatsetelah aplikasi 75% BCN-A, sedangkan 100% BCN-B meningkatkan biomassa pucuk. Populasi sporameningkat pada rizosfir tanaman dengan 100% BCN-B dan 75% dari kedua jenis BCN namun totalpopulasi sel vegetatif tidak dipengaruhi oleh BCN. Percobaan ini menyarankan penggunaan BCNuntuk meningkatkan pertumbuhan brokoli.
Co-Authors Aditya, Fasa Agung Karuniawan Betty Natalie Fitriatin Dewi, Yeni Wispa Maharani, Nadhira Saniya Matsuura, Asana Mieke Rochimi Setiawati Pujawati Suryatmana Reginawanti Hindersah Risanti, Rara Rahmatika