Artikel dari Penerbit "University of Lampung"

Ditemukan 665 artikel.


Revegetation of Critical Land with Gaharu (Aquilaria malaccensis) under Various Ameliorants Application

Oleh: Yuwono, Slamet Budi, Alawiyah, Alawiyah, Riniarti, Melya

Rehabilitation of post-mining limestone soils is often a challenge due to a lack of nutrients and poor soil humus. The research aims to study the effect of various ameliorants on soil chemical properties, growth, and P uptake of gaharu plant (Aquilaria malaccensis) in post-mining limestone ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 26 No. 1: January 2021; 19-28

Change of Soil Biomass Carbon Microorganism in Ultisols Soil Due to Application of Humic Acid and TSP Fertilization

Oleh: Buchari, Henrie, Untari, Tri, Niswati, Ainin

Soil biomass carbon microorganism (C-mic) is one indicator of soil fertility. The application of humic acid, vermicompost aqueous extract, and TSP fertilization applied to the soil will affect the activity of soil microorganisms. This research aimed to study the effect of humic acid, vermicompost ex...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 26 No. 3: September 2021; 149-156

Effects Nutrient Additives of NPK Fertilizer and Coconut Water on the Yield of White Oyster Mushroom (Pleurotus ostreatus)

Oleh: Alfarizi, Muhammad Salman, Gusmawartati, Gusmawartati, Zulfatri, Zulfatri

White oyster mushroom (Pleurotus ostreatus) requires a source of nutrients for growth and development. The provision of NPK fertilizer aims to increase the source of media nutrients so that the results obtained are better in quantity and quality. Growth regulators can stimulate the relatively long g...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 27 No. 1: January 2022; 1-7

The Effectiveness and Valuation of Using Silt Pit to Reduce Erosion and Nutrient Loss of Andosol

Oleh: Masnang, Andi, Jannah, Asmanur, Andriyanty, Reny

The silt pit is a method of soil management that functions to accommodate and absorb surface runoff. The research aimed to determine the silt pit effectiveness for erosion reduction and nutrient loss. The research is located at 576 above sea level (asl) in Sukamantri village, Taman Sari district, Bo...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 27 No. 1: January 2022; 27-35

Effect of the 32nd-year Soil Tillage and Nitrogen Fertilization on the Population and Biomass of Earthworm under Zea mays L.

Oleh: Prasetyo, Dedy, Imaria, Dwi, Niswati, Ainin

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...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 26 No. 2: May 2021; 105-113

Use of Biochar to Control Root-Feeding Soil Nematodes on Muna Local Tomatoes Variety

Oleh: Ningsi, Fitri Wahyu, Hakim, Irfan, Dussy, Achmad Nur Azhary

Energy pathways in soil nematode communities consist of energy pathways for roots, bacteria, and fungi. The dominance of the root energy pathway indicated an increase in nematode attacks on the roots that can be regulated through changes in food availability and the environment. This study aimed to ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 27 No. 1: January 2022; 37-47

Leaching Characteristics of Udipsamment Ameliored by Mineral Soil and Adhesive Polymer

Oleh: Fibrianty, Fibrianty, Hanudin, Eko, Ma’as, Azwar

Udipsamment  is  characterized  by  sand  fraction  > 95%,  loose,  and  very  high  leaching. This  study  aimed  to determine  the  effect  of  mineral  soil  ameliorants  and  adhesive  polymers  on  the character  o...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 27 No. 1: January 2022; 17-25

Heavy Metal Contamination on Shallot Fields In Bantul Regency, Yogyakarta

Oleh: Handayani, Cicik Oktasari, Martono, Edi, Harini, Rika

Shallot cultivation usually uses very intensive agrochemicals that could affect the soil’s chemical properties and contaminate agricultural land by increasing the content of heavy metals. The use of agrochemicals is closely related to the behavior of farmers. The research aimed to study the h...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 27 No. 1: January 2022; 9-16

Drainmod Model Adaptation for Developing Recommendations Water Management in the Tertiary Block of Tidal Lowland Agriculture

Oleh: Imanudin, Momon Sodik, Bakri, Bakri, Armanto, Mustika Edi

The primary key to successful agricultural cultivation is maintaining the groundwater level to fulfill crop water requirements, particularly during the dry season. Field study was conducted in Tidal reclamation area of section 25 at Sugihan Kanan, Bandar Jaya Village, Air Sugihan, Ogan Komering Ilir...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 26 No. 3: September 2021; 129-140

Assessment of Three IAARD Maize Productivity In Tobadak District, Central Mamuju, Indonesia

Oleh: Sirappa, Marthen Pasang, Muhtar, Muhtar, Heryanto, Religius

Assessment of three IAARD maize productivity was conducted in Tobadak sub-district, Central Mamuju. The purpose of the assessment was to determine the productivity of three IAARD hybrid maize. The area of   study 3 ha, applying Integrated Crop Management (ICM) models. Varieties which assessmen...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 26 No. 3: September 2021; 121-128