Artikel (426)
The abundance and biomass of earthworms are affected by soil tillage and fertilization. This research aimed to study long-term 32nd-year soil tillage and nitrogen fertilization on the population and biomass of earthworms under Zea mays L. The research was conducted using a randomized block design (R...
JOURNAL OF TROPICAL SOILS; Vol. 26 No. 2: May 2021; 105-113 | 2021
Sustainable forage production is needed to meet animal feed needs as the livestock industry increases. The purpose of this study is to evaluate the effect of liquid and solid carrier material on the effectiveness and infectivity of Bradyrhizobium sp. strain PZS_A08 on the growth of Indigofera zollin...
JOURNAL OF TROPICAL SOILS; Vol. 26 No. 2: May 2021; 95-103 | 2021
The purpose of this study was to evaluate the application of biocompost and mycorrhizae fungi on chemical properties of inceptisol soil and root infection on purple corn plants. This research was conducted in October-December 2020 at Experimental Garden, Faculty of Agriculture, Universitas Malik...
JOURNAL OF TROPICAL SOILS; Vol. 26 No. 2: May 2021; 87-93 | 2021
This study aimed to obtain the composition of biochar as a soil enhancer and mycorrhizal dose, which affected the nutrient uptake of cayenne plants. This experimental research was based on a separate plot design (RPT) with a basic randomized block design (RCBD). The main plot experiment was vesicula...
JOURNAL OF TROPICAL SOILS; Vol. 26 No. 2: May 2021; 75-86 | 2021
The impact of salinity on paddy production in Indonesia was pronounced with an average decline of 6.83% (2015-2019). Salinity interferes with macronutrients' absorption into plants, causing stunted growth (salinity contributed to a 42% decrease in paddy production). One solution to solve the salinit...
JOURNAL OF TROPICAL SOILS; Vol. 26 No. 2: May 2021; 63-74 | 2021
The specific location fertilization or in situ fertilization rate is a dynamic application and management method dynamically adapted to the plant’s need according to location and season related to soil chemical properties and aims to increase farmer profit. This greenhouse experiment aimed to...
JOURNAL OF TROPICAL SOILS; Vol. 26 No. 2: May 2021; 51-62 | 2021
Water is an essential factor in forming, utilization, management, and sustainability of peat soil. This study was to obtain characteristics of water retention and porosity of peat soil. Peat samples were taken from the Natural Laboratory of Peat Forest, Central Kalimantan at shallow, medium, and dee...
JOURNAL OF TROPICAL SOILS; Vol. 26 No. 1: January 2021; 29-42 | 2021
Contamination of heavy metals on the soil leads to an increase in its acidity. Vermicompost application is commonly used to improve the properties of soil. The study was carried out to determine the reduction of the acidity in Pb and Cd contaminated soils under the application of vermicompost. T...
JOURNAL OF TROPICAL SOILS; Vol. 26 No. 1: January 2021; 1-9 | 2021
Several particular plants are suggested to extract significant parts of heavy metals from soils and accumulate them in their roots and shoots. This research aimed to study the phytoextraction of Cu by several plants from heavy-metal contaminated tropical soils. Soil samples collected from pl...
JOURNAL OF TROPICAL SOILS; Vol. 26 No. 1: January 2021; 11-18 | 2021
Precision Agriculture has been a significant issue since the middle of the 1980s. Evapotranspiration is one of the main parameters in precision agriculture to analyze real water needs in the agriculture area and managing water resources. Traditionally evapotranspiration estimates by directly measure...
JOURNAL OF TROPICAL SOILS; Vol. 26 No. 1: January 2021; 43-49 | 2021