Numerous studies highlight the benefits of rice husk biochar in improving physical and chemical properties soil. However, synergistic effects combined with biosaka as a plant defense elicitor remain understudied. This research investigates joint impact on soil water retention, nitrogen, phosphorus levels to enhance nutrition mechanisms. Conducted at Hasanuddin University’s Experimental Garden Makassar, study employed split-plot design doses (0 10 tons ha −1 ) main plots concentrations (0,...

Implementing a cropping intensity program with rice cultivation four times year (CI 400) can be achieved using early maturing varieties of rice. However, this development needs to pay attention the adaptability planted ensure successful implementation. The approach is combination assessing stability and productivity potential. This concept has been developed applied in several studies, including research on considered less comprehensive because it non-parametric only focuses one analysis....

In Indonesia, there is not much use of potassium fertilizer for plants. Generally, farmers are more familiar with nitrogen and phosphorus fertilizers than potassium. This caused expensive hard to find, so should be another alternative easily economic fertilizer. study aims analyze the effect organic liquid produced from banana stem coconut fiber increase Potassium in soil maize growth on ex-cassava cultivation land Moncongloe Bulu Village, District, Maros Regency. The used randomized block...

Phosphorus (P) is the second most required nutrient of plants, but its availability in ultisols relatively low. Source P can be found from rock phosphate (RP) which has low solubility level. Use microbial solubilizing such as bacteria, fungi or combination both potential to increase P. This research was aimed find bacterial fungal isolates that are high RP. In vitro selection conducted obtain indigenous bacteria Ultisols South Sulawesi. Selection microbes for their capability solubate...

Ultisol soil has high potential for the development of dryland agriculture. However, this use faces obstacles because nutrient content in soils is generally low. This study aims to determine effect manure and straw compost on increasing phosphorus ultisol soil. used a completely randomized design (CRD) with 9 levels treatment, namely P0 = control, P1 10 tons / ha, P2 5 P3 P4 ton P5 ha + P6 P7 pellet P8 pellets ha. The treatment was repeated 3 times. results showed that giving plus had...

A series of surveys and interviews were conducted with families relocated from the site Bili-Bili Dam project in South Sulawesi, Indonesia, to remote transmigration areas same province. At time survey, all had received their full amount cash compensation for relocation. In addition, they been given an opportunity join Transmigration Programme (TP) receive land houses free; however, many suffered hardships strong attachment homeland forced them return. The results this survey show that who...

The nickel post-mining soil with an open-pit mining system has poor chemical and physical properties.Thus, it requires appropriate site-specific management so that can be optimized as a plant cultivation area.This study aimed to analyze the effectiveness of compost from oil palm empty fruit bunches (OPEFB) mycorrhizal vesicular-arbuscular (MVA) in improving fertility soil.This was conducted using randomized block trial design 2 factors.The first factor is 3 treatments, consisting 5 t•ha -1...

The genotype evaluation process requires analysis of GxE interactions to ascertain the responsiveness a various environments, including development early maturing rice. However, concept interaction is relatively specific grain yield. In contrast, yield highly polygenic, so assessment should be carried out with multivariate approaches. Therefore, in evaluating developed, especially for rice genotypes. study aimed develop comprehensive approach improve comprehensiveness and analysis. was...

One effort to increase shallot production is the use of beneficial fungi. This research aims determine interaction between variety, type fungus, and application dose on growth yield plants. The experimental design was a split-split-plot consisting 3 treatment factors. main plot varieties consists Maserati, Sanren F1, Lokananta, Tuk-Tuk. subplots are types fungi Trichoderma asperellum, Beauveria bassiana, Metarhizium anisopliae, Glomus sp. sub-subplots, namely fungus doses, consist 0 g, 7 14...

Abstract The high organic matter content allows soil microbial activity to recycle matter, which is essential for life, such as the nitrogen cycle. process of biological fixation by microorganisms crucial entry into This study aims isolate and characterize nitrogen-fixing bacteria in paddy using fertilization applications. was conducted Salassae Village, Bulukumba, South Sulawesi, Laboratory Microbiology, Soil Science Department, Hasanuddi University. research method a descriptive...

Bawang merah salah satu komoditas sayuran penting yang banyak dibutuhkan masyarakat sebagai bumbu penyedap masakan. Kebutuhan dari tahun ke mengalami peningkatan seiring dengan bertambahnya jumlah penduduk dan beragamnya produk olahan. Ketersediaannya langka menimbulkan keresahan di tengah mempengaruhi inflasi secara nasional. Sebagai maka pemerintah mencanangkan produksi nasional bawang sebesar 1.410.847 ton. Untuk mencapai tersebut benih sebanyak 155.556 ton umbi bibit biji ( True shallot...

Ultisols are the largest order in Indonesia among other acid soils, namely around 41,919 million ha, with problem of insufficient P availability soil for plant growth, requiring special treatment to increase available soil. This study aims examine effect compost and rock phosphate increasing Ultisols. The research was conducted April–May 2016 at Laboratory Chemistry Soil Fertility, University Hasanuddin, Makassar. used a randomized block design carried out by incubating straw compost, gamal...

Production of liquid organic fertilizer from chicken feces with addition bioaktivator Biosca and Trichoderma harzianum fungus aims to determine the influence time against pH macro elements (N, P, K), analyze bioactivator composition pH, element content, growth production tomato plants. The method making this is dissolved using water in a composter, then composted which consisting B1 (40 mL Biosca), B2 T. harzianum), B3 (10 + 30 B4 (20 20 harzianum) B5 (30 10 harzianum). Composting done by...

The area of agricultural land, especially paddy fields, is related to the level rice production. Conversion land non-agriculture will have an impact on availability supply. This study aims identify changes in field use 2005 - 2016 using high-resolution satellite imagery and calculate need for per capita Pallangga District. research utilizes application geographic information systems monitoring use. method used classification digitizing screen. conversion fields non-paddy was obtained from...

Abstract This study aims to determine the fertility of sediment in Tempe Lake from nutrient-carrying minerals. used transect method with sampling northern, southern, and eastern part Lake. Analysis minerals X-Ray Diffractometer. The results show that has biotite (35.6%), anorthite (7.1%), olivine (6.8%), northern (29.2%), (20.7%) pyroxene (9.1%), southern (88.6%), amphibole (3.4%). percentage mineral content is higher than total amount North East parts, so it potentially as ameliorant...

Abstract Clove is a superior crop and the main source of income for farmers in South Halmahera, especially Bacan island. There an increase clove planting area since 2013. However, productivity 2017 decreased by 32% from 2013 to 2017. The factors that influence production are environment soil condition. plants be able grow produce require specific growing environmental requirements. Environmental include climate, height type soil. This study aims analyze suitability land on Island. Methods...

Abstract Screening of hybrid corn parent lines quickly and cheaply compared to hydroponic methods in the laboratory is needed support assembly new high yielding varieties acid tolerant corn. Addition CaCO 3 as equivalent 2 t/ha (normal soil), while 0.5 AlCl (acidic). A total 12 elite maize were tested based on relative root growth (RRG). Four sets experiments made, namely normal soil media (pH 6.5) 4.3). Experimental design used each experimental set was a randomized block with three...

Abstract Japanese taro (Colocasia esculenta var. antiquorum) production in Indonesia is around 20 tons/hectare, but it still relatively low due to the level of farmer management including fertilizing and watering especially dry season. We determined effect plastic mulch biofertilizer on growth japanese plants. This research used a split plot design. The main was consist two levels, namely control mulch, while sub-plots were biofertilizer, which levels: biofertilizer; with four replications....

Abstract Global warming caused by various human activities results in increased concentrations of Greenhouse Gas (GHG) emissions. This causes the problem climate change. One sources Indonesia’s greenhouse gas emissions comes from agricultural sector. Methane (CH 4 ) is second most important and has a global potential 25 times greater than CO 2 . Paddy fields contribute to GHG due condition rice which are always flooded produce gases such as , N O ). study aims determine effect microbial...

This study aims to determine the diversity of soil fauna based on landscape and depth in cocoa plantation Parenring Village, Lilirilau District, Soppeng Regency. research was conducted from October 2020 January 2021 located a by taking samples using Systematic Sampling (SYS) method, monolithic sampling disturbed samples. The observation biota, hand sorting microscopy were used. Based results, back area had highest biota (H' = 1.32), followed valley 1.29) middle 1.18). Soil is included medium...

Lahan yang sesuai untuk usaha pertanian adalah lahan mempunyai kecocokan antara potensi lahandengan syarat tumbuh optimal suatu jenis tanaman pertanian. Penelitian ini dilakukan menentukandan memetakan kelas kesesuaian sayur-sayuran (hortikultura) khususnya kentang, tomat,dan kubis di Desa Tonasa Kecamatan Tombolo Pao. menggunakan metode kualitatifdengan pendekatan faktor pembatas sederhana. Pengambilan sampel secarapurposive sampling berdasarkan peta unit terdiri dari empat lahan, pada...

Various attempts have been made to increase the survival rate (SR) of sago plants (Metroxylon sagu Rottb), especially treatment growing media and irrigation.The purpose this study was calculate effect (i) depth inundation on seedling Tana Luwu palm variety; (ii) dosage ameliorant bagasse husk charcoal variety.The research conducted in Waelawi Village, West Malangke District, North Regency; South Sulawesi, Indonesia, April June 2023.The used a two-factor factorial design with split plot field...

Using biological agent microorganisms such as Arbuscular Vesicular Mycorrhiza (AVM) is needed to improve post-mining soil fertility. This research aimed explore and identify morpho species of AVM in the post-nickel mining areas Soil samples were taken from tree rhizosphere at each representative point. The have been isolated using Brundrett's method wet sieving decanting; spore density determined for 20 g sample; spores are grouped based on morphological traits up morphogenic stage species....

Rice (Oryza sativa) production in Indonesia has declined due to low iron (Fe) availability alkaline soils, impacting plant growth and yield. Integrating Fe seed coating with sago (Metroxylon sp.) waste organic fertilizer may improve soil quality, offering a potential solution enhance rice production. Our objective was examine the effects of incubation sage on growth. The study employed factorial 2-factor randomized block design. first factor concentration coating, four levels: 0 g, 55 g 2.5...