Physical Properties of Briquette Fertilizers Made From Urea and Fly Ash-Azolla

coal fly ash and azolla biomass are potential materials to be used as raw materials for the manufacture of briquette fertilizers. in this study, the coal fly ash, azolla and urea in various compositio...

Erosion and Surface Runoff on Forest and Oil Palm Plantation in Jalemu Watershed, Gunung Mas Regency, Central Kalimantan Province

changes of land cover from forest to non-forest areas affect the hydrological cycle and water quality in watershed ecosystems, such as the change of forest into oil palm plantation areas. increased pr...

The Effect of Organic and Inorganic Fertilizer Applications on N, P and K Uptake and Yield of Sweet Corn (Zea Mays Saccharata Sturt)

to overcome insufficient sweet corn production in indonesia, various strategies have been developed to improve its production. this study was conducted to evaluate the effect of organic fertilizer (i....

The Growth of Oil Palm (Elaeis Guineensis Jacq.) Seedlings with the Application of Different Arbuscular Mycorrhiza Fungi and Various Phosphorous Dosages

the effectiveness of arbuscular mycorrhiza fungi (amf) colonization depends on the type of amf, plant species and phosphorus fertilization. the aims of this study were to determine: the best type of ...

Soil Enzyme Activities and Their Relationship to Total Soil Bacteria, Soil Microbial Biomass and Soil Chemical Characteristics of Organic and Conventional Farming

soil properties such as physical, chemical, biological, microbiological and biochemical aspects affect on soil quality. soil microbiological activities directly affect stability of ecosystems and soil...

Abundance of Soil Arthropods Under Reduced Tillage and Bagasse Mulching in a Sugarcane Plantation in Central Lampung, Indonesia

this study was aimed to show whether conservation effort through reduced tillage or mulching can promote soil zoological benefits, especially to the soil arthropods in sugarcane plantations area, cent...

The Influence of Phosphate Fertilizer and Plant Growth Regulators on the Growth and Yield of Ratoon Rice (Oryza Sativa L.) Grown on Swampland

this research aimed to study the influence of phosphate fertilizer and plant growth regulator applications on the growth and yield of ratoon rice grown on swampland. the research was conducted in sept...

Calibration of Soil Phosphorus Test for Upland Rice Grown on Typic Kandiudox, Way Pangubuan, Lampung

calibration of soil p test was conducted for typic kandiudox derived from way pangubuan, lampung. a field experiment was carried out in dry and wet seasons. the dry season experiment in 2013 was desig...

Residual Effect of Nitrogen Fertilization on Nitrous Oxide Flux and Yield of Three Cowpea Varieties (Vigna Unguiculata L.) in Rainfed Rice Fields

nitrogen fertilizer use in rainfed rice fields is generally less efficient, only part of n is taken up by plants for their gowth and other n is lost and fixed by soil particles. nitrogen loss in the f...

Improvement of Yield of Bean Grown on Inceptisol Jatinangor Applied with Granular Organic Fertilizer and Harvest Interval

low bean production in indonesia is caused by several factors such as poor soil condition and low quality of the pods. the use of granular organic fertilizer can optimize soil as a growing medium of b...

The Role of Inundation Types of Tidal Swampland on the Chemical Properties of Potentially Acid Sulphate Soils Under Fertilizer and Lime Application

generally, fertilizer application increases soil fertility, on the other hand fertilizer application leads to the alteration of soil chemical balances in which the magnitude of changes is determined b...

Phosphorus (P) Adsorption Behavior and Harvested P by the Sugarcane (Saccharum Officinarum L.) Affected by Inorganic and Organic Fertilizer Applications on an Ultisol

the field and laboratory experimental studies were conducted to determine the phosphorus (p) adsorption behavior employing langmuir method and yield of sugarcane as affected by compost and inorganic f...

Tropical Soil Labile Fractions of Copper in the Experimental Plots ±Ten Years After Application of Copper-Containing-Waste

copper is reported to be retained in soils for a quite long time particularly in soil treated with some amendments. this research was intended to evaluate the soil labile fractions of cu ±10 years af...

Determination of Site-specific NPK Fertilizer Rates for Rice Grown on Tidal Lowland

this research aimed to determine site specific npk fertilizer rates combined with rice straw compost application for rice grown on the tidal lowland. this research was conducted in a greenhouse in ind...

Chemical Properties of Inceptisol and Rice Yields Applied with Mixed Source Fertilizer (MSF)

one effort that can be done to improve soil fertility and crop yields is fertilization. fertilization using a mixed source fertilizer (msf) is an option to overcome the impact of inorganic fertilizer ...

Distribution of Cadmium in Sweet Corn Grown on a Peat Soil and Its Implication on Food Safety

cadmium (cd) is a heavy metal that can contaminate agricultural soils, in which one of the sources of cd in agricultural soils is the use of phosphate fertilizers. some plant species are known to have...

Improvement of Soil Chemical Properties of Typic Hapludult After Application of Organic and Inorganic Fertilizers

tuberose (polyanthes tuberosa l.) is a potential flowering plant that will be developed in jatinangor, west java, indonesia. however, the characteristics of typic hapludult soil in jatinangor , i.e. c...

Sorptivity of an Inceptisol Under Conventional and Reduced Tillage Practices

the amount of water captured and stored in the soil profile until the next precipitation events is of great importance in dryland agro-ecosystem for successful crop production. the soil's ability to r...

Improvement of Latex Quality Using Locally-Produced Organic Fertilizer From Rubber Processing Sewage Sludges

most of rubber plants in indonesia are cultivated in highly-weathered soils; therefore, their annual productions are relatively low with the low quality of latex. the aim of this reseach was to increa...

Physical Properties of Soils From Several Land Uses in a Tidal Swampland Area Applied with a Fork Irrigation System

in indonesia, tidal swampland is potential to be developed into agricultural land uses. water management is the key success of farming on the tidal swampland. in the tidal swampland of kalimantan, ind...