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All Journal Jurnal Biologi Tropis Biofarm : Jurnal Ilmiah Pertanian
Shakila, Nur Asri
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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Population of Phosphate Solubilizing Bacteria in Maize Rhizosfer with Different Irrigation Volume and Organic Matter Shakila, Nur Asri; Susilowati, Lolita Endang; Dewi, Rika Andriati Sukma; Suriadi, Ahmad
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i2.6858

Abstract

Phosphate solubilizing bacteria are soil bacteria which is vital to converting non-available phosphate into available phosphate. There has been a lot of studies to find out strategies or treatments that can increase PSB populations and activities, such as addition of organic materials or irrigation technique. This research aimed to test the effect of different irrigation volumes and types of organic material on phosphate solubilizing bacteria in maize rhizosphere. This research is a field experiment with a split plot design with two factors, irrigation volume (I1: 100% of plant needs, I2: 80% of plant needs, and I3: 60% of plant needs) as the main plot and type of organic material ( B0: without organic material, B1: manure; B2: rice husk biochar, and B3: vermicompost + biochar) as the sub plots. Soil and crop samples were taken at maximum vegetative phase (56 days after planting). The parameters tested and observed in this research were PSB population, soil pH, soil organic carbon, available P, phosphate uptake, and soil moisture. Based on the results of this research, it was obtained that the interaction between the irrigation volume of 100% of plants needs and the manure gave the highest PSB population about 1,23 x 106 cfu/gram. This population increase is in line with an increase in soil-available P and plant phosphate uptake.
Resistance of Lokal, Kara, and Dewata Varieties of Cayenne Pepper (Capsicum Anuum) in Waterlogging Conditions Iemaaniah, Zuhdiyah Matienatul; Mahrup, Mahrup; Susilowat, Lolita Endang; Kusnarta, IGM; Fahrudin, Fahrudin; Shakila, Nur Asri; Mukminah, Mukminah
Biofarm : Jurnal Ilmiah Pertanian Vol. 20 No. 1 (2024): BIOFARM JURNAL ILMIAH PERTANIAN
Publisher : Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/biofarm.v20i1.3910

Abstract

Cayenne pepper is one of the basic commodities and has high economic value. Chili contains capsaicin which gives spicy taste that suitable in various Indonesian food. The high demand of chilies means that this commodity often experiences high selling prices at certain times, especially during the rainy season. The demand that continues to be needed by the community creates great opportunity for chili farmers to continue providing chili on the market. As a plant that can grow well in tropical areas, including Indonesia, chili plants can grow well outside the rainy season. On the other hand, the vertisol soil type, which expands and contracts, requires strong chili plant roots. The rainy season causes plant roots to rot quickly due to waterlogged conditions and plants are easily attacked by pests and diseases. In anticipating failed chili harvest, farmers need planting strategy and selecting quality chili seeds, they can adapt to various environmental conditions. This research was carried out in Sukadana Village using Randomized Block Design field trial method by planting three varieties of chili to find out which variety is most adaptive to waterlogging conditions. The results of the research show that lokal varieties of chili are the most adaptive and resistant to waterlogging conditions.
Co-Authors Ahmad Suriadi, Ahmad Fahrudin Fahrudin I Gusti Made Kusnarta Mahrup Mahrup, Mahrup Mukminah, Mukminah Rika Andriati Sukma Dewi Susilowat, Lolita Endang Zuhdiyah Matienatul Iemaaniah