Artikel (24)
East Kalimantan is a region that contributes to palm oil production. Industrial development in the area still needs to be improved in some plantations because there is a limiting palm oil productivity. This study examined the chemical properties of the soil on the PT. Gemilang Sejahtera Abadi (GSA) ...
JOURNAL OF TROPICAL SOILS; Vol. 29 No. 3: September 2024; 127-133 | 2023
Ultisols are one of the soil types that develop from claystone parent materials and are widely distributed in Indonesia, making them suitable for agricultural land use. Naturally, Ultisols have low soil fertility, such as acidic soil reactions and low base content;Â without proper management, the...
JOURNAL OF TROPICAL SOILS; Vol. 29 No. 3: September 2024; 115-125 | 2023
Indonesia has faced extensive poor soil quality and health for years.Anthropogenic, climatic, and plant pathogenic activities are the major contributing factors that degrade the soil's essential life-supporting system, such as the functional gene pool. One such gene is the rhizobacterial acdS, which...
JOURNAL OF TROPICAL SOILS; Vol. 29 No. 3: September 2024; 149-157 | 2023
The productivity of upland rice on sub-optimal land such as Ultisol is low. Increasing rice productivity can be attempted, for example, by applying rice husk zeolite and K fertilizer. This research aims to study the interaction of rice husk zeolite with K fertilizer on the growth and yield of upland...
JOURNAL OF TROPICAL SOILS; Vol. 29 No. 2: May 2024; 93-100 | 2023
One of the Indonesian provinces where the agricultural industry drives the economy is Punung, Pacitan, which has local conditions that are particularly suitable for producing citrus, giving this product the potential to continue to expand in popularity. Land evaluation tries to provide information o...
JOURNAL OF TROPICAL SOILS; Vol. 29 No. 2: May 2024; 67-77 | 2023
Increased production of food crops has various obstacles, including soil fertility, which is also caused by the price of inorganic fertilizers, which is burdensome for farmers. Organic and biofertilizers can reduce the use of inorganic fertilizers and the level of degradation of soil fertility. The ...
JOURNAL OF TROPICAL SOILS; Vol. 29 No. 1: January 2024; 11-21 | 2023
This research aimed to examine the increase in growth and yield of soybean (Glycine max (L.) Merr) genotypes in the application of Vesicular Arbuscular Mycorrhizae (VAM) and tricho-compost in dryland. This research was conducted in the form of an experiment using a Split plot design was composed: al...
JOURNAL OF TROPICAL SOILS; Vol. 29 No. 2: May 2024; 79-92 | 2023
The Upper Konto Watershed in Malang Regency is an area with various types of land use that have the potential to influence soil physical properties and soil water retention. Soil water retention is the ability of soil to absorb and retain water, which is closely related to the availability of water ...
JOURNAL OF TROPICAL SOILS; Vol. 29 No. 3: September 2024; 167-177 | 2023
Soil properties play essential roles in transmitting and holding precipitation water; therefore, they determine the amount of plant-available water in the soil profile. The study aimed to compare the size distributions of Andept soil pores following four-year applications of vermicompost and liquid ...
JOURNAL OF TROPICAL SOILS; Vol. 29 No. 2: May 2024; 107-113 | 2023
Soil salinity problems in the coastal hinterland region of East Java diminish agricultural development and land productivity. Soil leaching is expected to reduce soil salinity. This study investigated the effectiveness of different ameliorant compositions and leaching requirements (LR) in the leachi...
JOURNAL OF TROPICAL SOILS; Vol. 29 No. 1: January 2024; 1-9 | 2023