Penerbit: Department of Soil Science
P-ISSN: 0852-257X
E-ISSN: 2086-6682
DOI: 10.5400
Fakultas Pertanian Umum Arsitektur
Artikel (421)
Influence of Induced Soil Compaction on the Growth, the Yield and the Soil Loss Resulting from the Groundnut Harvesting
Ewetola, Esther Abosede
The research was conducted to study  the growth and the yield of the groundnut plant and to  quantify the soil loss after groundnut harvesting as influenced by induced soil compaction. A ten kilogram of soil was packed in the pots with an initial bulk density of 1.05 Mg m-3, then it were compr...
JOURNAL OF TROPICAL SOILS; Vol. 25 No. 3: September 2020; 147-156 | 2020
Adaptation of New Rice High Yielding Varieties on New Constructed Irrigated Rice Field Affected by Sea Water Intrusion in West Tanjung Jabung District, Jambi
Saidi, Busyra Buyung, Hendri, Jon, Suharyon, Suharyon
Assessment adaptation of several new superior rice varieties  on new rice fields affected by seawater intrusion was carried out in Tungkal Ilir Subdistrict, West Tanjung Jabung District, from April to October 2018. The study applied randomized block designs (RBD) with four replications. The treat...
JOURNAL OF TROPICAL SOILS; Vol. 25 No. 3: September 2020; 119-126 | 2020
Mapping of Land Suitability for Rambutan (Nephelium lappaceum) in Community Agroforestry Land at Gunung Ambat Village and Simpang Kuta Buluh Village
Rahmawaty, Rahmawaty, Batubara, Ridwanti, Rauf, Abdul
Rambutan (Nephelium lappaceum) is Sapindaceae family, commonly found in agroforestry land, owned by the community in Langkat District, North Sumatra Province as One of Multy Purpose Tree Species. This study aimed to asses and map the distribution land suitability for N. lappaceum. This research was ...
JOURNAL OF TROPICAL SOILS; Vol. 25 No. 2: May 2020; 107-117 | 2020
Relationship between Concentration and Discharge on Storm Events: Case Study at Cakardipa Catchment, Cisukabirus Subwatershed, Upper Ciliwung Watershed, Bogor, West Java
Heryani, Nani, Pawitan, Hidayat, Jarwadi Purwanto, Mohamad Yanuar
River nutrient loadings rates are frequently determined from discharge and hydrochemistry relationships using regression techniques. Unfortunately such methods as a conventional technique are inadequate for dealing with the problem such as differences in shape and direction of loop forming in indivi...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 85-95 | 2020
Carbon Storage and Carbon Dioxide Emission as Influenced by Long-term Conservation Tillage and Nitrogen Fertilization in Corn-Soybean Rotation
Utomo, Muhajir, Buchari, Henrie, Banuwa, Irwan Sukri
Although agriculture is a victim of environmental risk due to global warming, but ironically it also contributes to global greenhouse gas (GHG) emission. The objective of this experiment was to determine the influence of long-term conservation tillage and N fertilization on soil carbon storage and C...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 75-84 | 2020
Sediment Enrichment Ratio and Nutrient Leached by Runoff and Soil Erosion on Cacao Plantation
Haridjaja, Oteng
Soil consevation management system is an activity for diminishing sediment enrichment ratio and nutrient leacheds by water run off and soil erosion processes. The research was aimed to study sediment enrichment ratio and nutrient leached by run off and soil erosion on cacao plantations. Arachis pint...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 67-74 | 2020
Texture and Chemical Properties of Two Depth Soils in a Toposequence of Anak Krakatau Before December 2018 Eruption
Setiawati, Astriana Rahmi, Lumbanraja, Jamalam, Nurul Aini, Septi
Anak Krakatau volcano is one of the famous volcanic mountains located in the sea to the south part of the Province of Lampung, Indonesia. The volcano was derived from the active Krakatau caldera that first appeared on the surface in 1930 or 47 years after the eruption of Krakatau in 1883. The materi...
JOURNAL OF TROPICAL SOILS; Vol. 25 No. 2: May 2020; 71-81 | 2020
A Site-Specific Fertilizer Recommendation Based on the Phosphorus and Potassium Status in Mempawah District, West Kalimantan
Hatta, Muhammad
The recommendations of Phosphorus (P) and Potassium (K) fertilization for rice are still not site-specific yet due to a lack of required soil data information.  The P and K status of the paddy fields that provide information on the low, medium, and high P and K nutrient status are very useful for...
JOURNAL OF TROPICAL SOILS; Vol. 25 No. 2: May 2020; 93-106 | 2020
The Growth of Oil Palm Seedlings using a Combination Medium of Organic Oil Palm Empty Fruit Bunch and NPK Fertilizer at Main Nursery
Hapsoh, Hapsoh, Dini, Isna Rahma, Wawan, Wawan
Oil palm (Elaeis guineensis Jacq.) holds a very strategic role in the Indonesia economy. Plants that have reached the economical age of 25 years need to be replanted using qualified oil palm seedling. The qualified seedling is obtained through proper fertilization. The combination of NPK fertilizer ...
JOURNAL OF TROPICAL SOILS; Vol. 25 No. 2: May 2020; 61-69 | 2020
Vermicast of Earthworm as Ecosystem Engineers within Different Vermireactor Shape
Kilowasid, Laode Muhammad Harjoni, Sanjaya, Muhammad Fahyu, Rakian, Tresjia Corina
Earthworms as ecosystem engineers can modify the quality of vermibed assembled from mixed soil with organic material in a vermireactor. Various in shapes of the vermireactor are used to produce a vermicast for biofertilizer in agriculture. The objective of this research was to study the vermicast pr...
JOURNAL OF TROPICAL SOILS; Vol. 25 No. 2: May 2020; 83-92 | 2020