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Tomato yield and soil chemical properties influenced by low–molecular–weight organic acids in calcareous soil Pérez-Labrada, Fabián; Benavides-Mendoza, Adalberto; Juárez-Maldonado, Antonio; Solís-Gaona, Susana; González-Morales, Susana
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 21, No 1 (2024): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v21i1.79024

Calcareous soils have restrictive characteristics that limit and pose a challenge for crop production; in this environment, plants can exude low-molecular-weight organic acids (LMWOAs). This study aimed to verify the influence of exogenously applied LMWOAs in calcareous soils on tomato yield and the chemical characteristics of soil and leachate. Solanum lycopersicum L. seedlings were grown in pots containing calcareous soil in a greenhouse, fertilized by drip irrigation with Steiner nutrient solution in which the treatments 0.1 mM citric acid (CA), 0.1 mM oxalic acid (OA), 0.01 mM salicylic acid (SA) and a control without LMWOAs (T0) were prepared, applied during the whole growth cycle. The experiment was repeated four times, with twenty replicates per treatment, under a completely randomized design. The yield per plant was quantified, while pH and microbial respiration (RMS) were measured in the soil. The pH, electrical conductivity (EC), oxidation-reduction potential (ORP), carbonate (CO32–), and bicarbonate (HCO3–) contents were quantified in the leachates. SA application reduced the soil pH (8.75). SA and CA improved the fruit yield per plant by 11% and 33%, respectively (p < 0.05). CA induced a 1.7% reduction in leachate pH (p < 0.05) and a 15.9% increase in HCO3– content (p < 0.05). SA decreased EC and CO32– concentrations by 8.9 and 23.1% (p < 0.05), but increased HCO3– content by 23.1 % (p < 0.05). The use of LMWOAs as a strategy in the management of calcareous soils can promote favorable conditions for tomato yield per plant.

Evaluating the impact of planting dates on seed cotton production across diverse cultivars under variable temperature conditions Shefali Mozumder; F M Jamil Uddin; Md Abdur Rahman Sarkar; Md Harun Rashid; Swapan Kumar Paul; Shubroto Kumar Sarkar; Md Anowarul Haque; Md Humayun Kabir
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 22, No 2 (2025): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v22i2.93612

Cotton yield in Bangladesh is often constrained by suboptimal planting times under subtropical conditions. The present study aimed to evaluate the impact of planting dates on seed cotton yield across four cultivars to identify the optimal timing for profitable production. A three replicated field trial was conducted at the Cotton Research Farm in Gazipur using split-plot design during the cotton growing season of 2022-23. Four cotton cultivars: DM-3, Rupali-1, Suvra, and CB-12 were planted on five dates at ~15-day intervals from June to August (viz: 5 June, 20 June, 5 July, 20 July, and 5 August). Results showed that planting on 20 July significantly increased seed cotton yield by 2.580 t ha⁻¹ compared to 5 June, while the 5 August planting produced the lowest yield and ginning outturn (8.9%) (P < 0.01). Among cultivars, CB-12 achieved the highest yield (2.14 t ha⁻¹), followed by Rupali-1 (1.93 t ha⁻¹) and DM-3 (1.56 t ha⁻¹). Although no significant interaction was observed between planting date and cultivar, CB-12 consistently performed best on 20 July, with similar trends for the other cultivars. The study emphasizes the significance of choosing the most suitable planting dates and cultivars. Adoption of 20 July as the ideal planting date may enhance productivity, offering valuable guidance for cotton growers, researchers, and policymakers.

Estimation of water use efficiency (WUE) for efficient irrigation level of oil palm during the main nursery phase Iput Pradiko; Rana Farrasati; Nuzul Hijri Darlan; Sumaryanto Sumaryanto; Dhaffa Agung Thirafi
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 22, No 1 (2025): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v22i1.93336

The water requirement of oil palm depends on the growth phase (e.g., higher demand during vegetative expansion), environmental conditions (e.g., increased under high vapour pressure deficit), and agricultural practices (e.g., reduced demand through effective water management). Therefore, the water used for oil palm nurseries should be used efficiently to preserve environmental sustainability. The main objective of this research was to determine the water use efficiency (WUE) of oil palm during the main nursery phase. The study evaluated several irrigation strategies inside and outside the greenhouse, including fixed daily watering (two liters per seedling), irrigation based on actual evapotranspiration (ETa), rainfall-dependent watering, and no irrigation. In the outdoor treatments, one group of seedlings was irrigated according to ETa, but watering was withheld when daily rainfall exceeded five mm, while another group received two liters per day only when rainfall was below five mm. These two treatments showed the highest daily evapotranspiration rates, greater vegetative growth, and higher biomass accumulation compared to the other treatments. Notably, the ETa-based treatment was recorded as having the highest water use efficiency (WUE). This study concludes that water loss during evapotranspiration is the main determining factor for irrigation volume. Therefore, irrigation in oil palm nurseries should be based on ETa to improve efficiency and lower costs. These findings offer practical guidance for farmers or plantation management to support more sustainable and cost-effective irrigation practices.

Nano-Biochar: A promising tool for sustainable agriculture under climate change era Nallagatla Vinod Kumar; K.N. Pallavi; Priyadarshani Rajput; B. Bhargavi; Mandapelli Sharath Chandra; Pebbeti Chandana; Rayapati Karthik; L. Peace Raising; Naveen Kumar; Rajan Bhatt; Tatiana Minkina; Vishnu D Rajput
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 22, No 1 (2025): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v22i1.100809

Nano-biochar, a highly porous and innovative material derived from biomass, presents significant opportunities for sustainable agriculture and environmental remediation. Its unique sponge-like structure enables exceptional carbon capture and sequestration, contributing to long-term improvements in soil fertility and acting as a vital tool in climate change mitigation. This review explores the properties and production methods of nano-biochar, highlighting its enhanced nutrient retention, controlled release capabilities, and superior water-holding capacity compared to traditional biochar. These characteristics not only enhance plant growth and agricultural productivity but also promote a healthier soil ecosystem by stimulating microbial activity. Furthermore, nano-biochar's ability to adsorb heavy metals and organic pollutants offers promising applications in soil and water remediation, thus preventing environmental contamination. Despite its numerous advantages, the review identifies critical knowledge gaps regarding the long-term ecological impacts of nano-biochar and the best practices for its production and application. The paper calls for further research to address these challenges and optimize the use of nano-biochar, ensuring its responsible development within agricultural systems. By integrating insights from current literature, this review contributes to a comprehensive understanding of nano-biochar's potential and outlines future research directions to enhance its effectiveness in promoting sustainable agricultural practices.

Drought characterization: A systematic literature review Choukri, Majda; Naimi, Mustapha; Chikhaoui, Mohamed
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 20, No 2 (2023): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v20i2.77206

This study examined the worsening severity of global droughts caused by climate change. However, the multiple definitions and varied range of drought indices pose challenges in effectively monitoring and assessing the prevalence and severity of droughts. This study aims to give a comprehensive overview of the various drought definitions found in the literature and how they have evolved based on their applications. Specifically, the focus was to shed light on the dynamic nature of drought characterization and offer insights into the factors that shaped its conceptualization over time. Within this context, this study explored three primary categories of drought indices: climatic, remote sensing, and composite. Each category was discussed in relation to its utility in specific fields, such as meteorological, agricultural, and hydrological drought assessments, along with an analysis of their strengths and limitations. Furthermore, this study presents modified meteorological drought indices that have been adapted to better monitor agricultural droughts. Additionally, the authors used geographic information systems to create a map showing the distribution of drought-related publications globally over the past decade. The findings showed that countries with arid and semi-arid climates are more actively involved in drought research, highlighting their particular interest and concern regarding the subject matter. The implications of this study emphasize the urgent need for immediate and coordinated efforts to address the escalating issue of droughts caused by climate change. By improving monitoring and assessment methods and focusing on tailored strategies in vulnerable regions, it is possible to mitigate the far-reaching consequences of drought and to build more resilient communities and ecosystems.

Soil organic carbon and hydraulic properties in response to poultry manure and inorganic fertilizers in two tropical agro-ecologies Uju Chinwe Osakwe; Sunday Ewele Obalum; Mohammed Moro Buri; Temitope Seun Babalola; Charles Arizechukwu Igwe; Jose Miguel Reichert
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 22, No 2 (2025): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v22i2.94124

The response of soil structure to nutrient management may vary across environments. Poultry manure (PM) and/or inorganic fertilizers (IF) effects on soil pH, organic carbon (SOC), and hydraulic properties were assessed in derived savannah sandy-clay-loam Ultisols and rainforest sandy-loam Alfisols of Nigeria during 2013-2015. The Ultisols were inherently lower in soil pH and SOC than the Alfisols. Three PM rates (0, 5, and 10 t ha–1), each with four NPK/Urea-based IF levels (0, 50, 100, and 150%), were applied in 2013 and 2014 but not in 2015. At crop (maize) maturity, treatment affected the Ultisols more distinctly than the Alfisols. Regardless of IF level, PM10 and PM5 resulted in optimal soil pH (Ultisols) and hydraulic properties (Alfisols), respectively. Treatment PM10+IF50 produced overall optimal effects in 2014 and 2015, being among the highest for SOC in the Ultisols (13.30 and 10.23 g kg–1, respectively) and Alfisols (16.10 and 11.60 g kg–1, respectively). Its substitutes for soil pH and hydraulic properties were PM10+IF0 (Ultisols) and PM5+IF0 (Alfisols). Unlike most PM-based treatments, sole IFs, especially PM0+IF150, had pronounced soil-acidifying effects in the Ultisols. The SOC and permeability depended almost entirely on PM across IF levels. Soil pH and SOC were positively correlated with total porosity (Ultisols) and permeability (both soils), with r = 0.60-0.93 (Ultisols) and 0.42-0.66 (Alfisols). Effective PM+IF may not always outperform PM regarding soil pH/SOC, whose influence on soil hydraulic properties can be location-specific. This calls for pre-adoption validation of promising PM+IF options in new tropical agro-environments.

Utilization of cattle manure and potassium fertilizer on soil potassium availability and yield of cowpea (Vigna unguiculata L. Walp) in rainfed rice Nourma Al Viandari; Elisabeth Srihayu Harsanti; Edi Supraptomo; Anicetus Wihardjaka
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 21, No 2 (2024): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v21i2.85535

Cowpea (Vigna unguiculata L. Walp), a botanical protein source, exhibits resilience in the face of drought-induced stress on rainfed rice fields, especially in dry season crop patterns. Cowpea growth depends on the availability of nutrients in the soil, including potassium (K). In fact, low K availability (exchangeable K is ≤ 0.04 cmol(+) kg-1) is one of the obstacles in rainfed rice fields, especially in increasing crop yields, including cowpea. Therefore, K supplies from various sources are needed to improve soil and cowpea productivity, such as K fertilizer and manure. This study was carried out to determine the response of nutrient management to increase cowpeas’ yield and exchangeable potassium on rainfed rice fields. The field experiment used a randomized block design, with six replications and six fertilizer management treatments, specifically to control composted cattle manure (CCM), Nitrogen Phosphate Fertilizer (NP), CCM+NP, NPK Fertilizer, and CCM+NPK. The parameters observed include plant height, yield components, seed yield, and exchangeable K. Fertilizer management affects the cowpea yield, yield components, K-Uptake, and exchangeable potassium, with the best treatment depicted as CCM+NPK treatment. Compared to the control, CCM by itself and in combination with inorganic fertilizer increases the kernel yield of cowpea by as much as 54-104%, K uptake as much as 40.9-68.2 kg K/ha, and exchangeable K in soil ranging from 37.8-101.3%. It is indicated that the CCM could supply nutrients, including potassium, to overcome potassium deficiency in rainfed rice fields. Furthermore, applying CCM and cultivating cowpeas in rainfed rice fields during the dry season, with water as a limiting factor, is an appropriate option to enlarge the plant yield.

Impacts of oil palm cultivation on spatial variations in soil properties in an oil palm cultivated land in Kalutara, Sri Lanka Thiramuni Dulshan Sakila Ariyarathna; Mohamed Mujithaba Mohamed Najim; Hassan Ammouneh; U.L. Abdul Majeed; Dilumi Gunaratne; Sashini Disanayaka
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 22, No 2 (2025): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v22i2.107533

In Sri Lanka, the impacts of oil palm (Elaeis guineensis) cultivation on soil properties remain insufficiently examined, especially regarding spatial variations within a single plantation. This study examined the spatial variations of physical and chemical soil properties under oil palm cultivation at Culloden Estate in Kalutara, Sri Lanka, from June to December 2024. The objectives of this study were to evaluate the impact of oil palm cultivation on soil properties and to assess the spatial variability between cultivated sites and a reference site. The plantation was divided into three sites, each with three representative sampling points. The reference site was selected from an adjacent grassland. Selected soil properties were analyzed using standard laboratory methods. Significant spatial differences in all assessed soil properties were observed relative to the reference site (p<0.05, Generalized Linear Model). The reference site showed higher pH, electrical conductivity, porosity, organic matter, and nitrogen levels, whereas cultivated sites reported higher bulk and particle densities, cation exchange capacity, and phosphorus content. While physicochemical parameters varied significantly within the plantation, no directional pattern was identified. The cluster analysis reported three sub-clusters. Sites 2 and 3 formed one cluster, while Sites 1 and the reference site formed separate groups, indicating variations in land-use practices. Higher soil bulk density indicated soil compaction under oil palm. Although soil properties differed from the reference site, they remained within acceptable global ranges for oil palm cultivation, indicating no major soil degradation. This study highlights the need for broader, multi-site research to support sustainable soil management.

Soil physico-chemical properties and microbial diversity on chilli anthracnose disease severity in Northern Karnataka, India Simran Panigatti; Devarajan Thangadurai; Jeyabalan Sangeetha; Ravichandra Hospet; Govardhana Guggalada Yadav; Smita Shinde; Vijaykumar Narayanaswamy Kondenahalli; Prabhudeva Shantappa Ajjappalavara; Poojashree Nagappa Kummur; Umesh Madar; Jiaojiao Song; Kasem Soytong
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 22, No 1 (2025): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v22i1.94015

Chilli anthracnose disease causes a huge commercial loss in the globe. Studying soil physico-chemical properties is crucial to understand chilli anthracnose because these properties significantly affect the efficacy of biocontrol agents and herbicides used to manage the disease. This study aimed to evaluate the relative percentage of disease incidence (% DI) of chilli anthracnose in dominant chilli growing areas of Northern Karnataka in India and its relationship to soil properties. The soil physico-chemical (texture, moisture, density, pH, EC, OC, N, P, K, Ca, Mg, S, Zn, Cu, Fe, and B) properties, microbial (fungi and bacteria) diversity of 17 soil samples were analysed by standard protocols and evaluated their correlation with % DI, using Pearson correlation and cluster analysis method. Highest % DI was found in Shira with more value of pH (8.45), and Mg (14.63 meq 100 g-1), whereas in Nela with more value of EC (0.38%), moisture (46%), and Ca (33.83 meq 100 g-1), and also in the regions where the beneficial microbes were less in number (Tegg, Shira, Agad and Nela). The results obtained from Pearson correlation indicated that % DI was positively correlated to moisture (r=0.851**, P=0.01), EC (r=0.488*, P=0.05) and negatively correlated to Pseudomonas sp. (r=-0.322*, P=0.05). The present study provides comprehensive information about the role of physical, chemical and biological properties of soil characteristics responsible for the development of anthracnose disease prevalence and reducing soil quality as well as chilli production under natural conditions.

Effect of Iron (Fe) heavy metal content at different pH on the germination of seven soybean varieties in Indonesia Timotiwu, Paul Benyamin; Agustiansyah, Agustiansyah; Muslimah, Dini
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 20, No 2 (2023): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v20i2.70802

Greater use of acid soil has expanded the area under cultivation for soybeans; however, acid soil is associated with heavy mineral toxicity, including Iron (Fe). This investigation looked at how well soybean seeds germinated in media containing heavy metal Fe and how the pH of the media affected the viability of soybean seeds. This research was conducted at the Seed and Plant Breeding Laboratory at the University of Lampung, Indonesia. The experimental design was a randomized block design. The first factor was seven soybean local varieties – Grobogan, Anjasmoro, Derap 1, Detap 1, Dena 1, Deja 1, and Dega 1 – and the second factor was heavy metal Fe solution pH of 6–7 and 4.5 and without heavy metal Fe (control). Seed viability in heavy metal Fe medium was assessed using radicle emergence, germination capacity or percentage, germination speed, number of normal seedlings, normal seedling hypocotyl length, main root length of regular seedlings, and normal shoot dry weight. This research found that heavy metal Fe affected soybeans’ seeds’ viability in pH 6–7 and 4.5. The observed data showed that all seeds’ viability variables in media with heavy metal Fe, both in pH 6–7 and in pH 4.5, differ from the control media. The seed viability in media heavy metal Fe pH 6–7 was not significantly different from the control media, but in pH 4.5, the difference is significant. Soybean varieties’ characteristics also influence how heavy metal Fe in different pH affects seed viability. Overall, Anjasmoro, Deja, Grobogan, and Dega were the types that consistently demonstrated resistance or adaptation to heavy metal Fe existence, while Dena, Derap, and Detap are susceptible to heavy metal Fe existence. Seed viability in Iron medium is not always related to seed physical performance; therefore, before planting soybean in acid soil, it is recommended to conduct a seed viability test.

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Journal Mail Official
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Kota surakarta,

Jawa tengah

INDONESIA