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Menampilkan 1165 artikel yang diawali dengan huruf "E"


Effectiveness of Various Types of Manure and Inorganic Fertilizers on Populations of N-fixing and P-Solubilizing Bacteria and Nutrient Uptake of Maize in Inceptisol

Oleh: Usman, Alda Inayah A. Hi., Ustiatik, Reni, Utami, Sri Rahayu

Bacteria are classified as non-symbiotic N-fixing and P-solubilizing play an important role in enhancing soil quality and plant growth. This study aims to analyze various types of manures and inorganic fertilizers on N-fixing and P-solubilizing bacteria population and their relationship with N and P...

Penerbit: The University of Lampung

EFFECTIVENESS WHOLE CELL VACCINE Edwardsiella ictaluri WITH DIFFERENT DOSAGE AND METHODS FOR PROTECTING SIAMESE CATFISH (Pangasianodon hypophthalmus) AGAINST EDWARDSIELLOSIS DISEASE

Oleh: Listia, Octa, Setyawan, Agus, Kholidin, Edy Barkat

One of major problem of siamse catfish (Pangasianodon hypophthalmus) culture is Edwardsiliosis bacterial disease of Edwardsiella ictaluri, causes economic losses because it causes high mortality and reduces the quality of fishery products. Currently, the use of antibiotics as an effort to control th...

Penerbit: University of Lampung

EFFECTIVITY OF LIGHT INTENSITY ON COLOR GRADATION AND CAROTENOIDS CONTENT OF Lobophyllia hemprichii

Oleh: Mustawa, Ahmad, Harpeni, Esti, Muhaemin, Moh.

L. hemprichii is one of the marine ecosystems with high biodiversity and the most productive. The more healthy corals, the higher productivity in the sea. The existence of light is needed for L. hemprichii for its growth. Moreover L. hemprichii has color that produced by symbiotic algae pigments suc...

Penerbit: Jurusan Perikanan dan Kelautan

Effectivity of Soil Amelioration on Peat Soil and Rice Productivity

Oleh: Septiyana, ., Sutandi, Atang, Indriyati, Lilik Tri

Peat soil amelioration has important role on improvement of soil peat fertility such as  on increasing soil pH,  reducing organic acid and toxic ions, and also increasing nutrients availability.  Soil amelioration with polyvalent cations (Fe Al Cu Zn) namely slag, lateritic soils, and river...

Penerbit: UNIVERSITY OF LAMPUNG

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...

Penerbit: UNIVERSITY OF LAMPUNG

EFFECTS OF ALPINIA GALANGA POWDER ON PHYTOPHTHORA CAPSICI LEIONIAN IN VITRO

Oleh: ., Joko Prasetyo, Subli Mujim, and Cipta Ginting

Pengaruh Alpinia galanga terhadap Phytophthora capsici Leionian secara in vitro. Penelitian telah dilakukan untuk mengetahui pengaruh tepung beberapa bagian dan konsentrasi A. galanga terhadap jari-jari koloni dan produksi zoospora P. capsici. Percobaan dilakukan secara faktorial (4x4) dalam rancang...

Penerbit: Universitas Lampung

Effects of 7-step Problems Based Learning and Scientific Reasoning on Problem Solving Abilities

Oleh: Mustajab, Amin, Muhardjito, Muhardjito, Sunaryono, Sunaryono

The end of this study to decide how the differences in problem-solving abilities of students who take part in learning using 7-step PBL and conventional methods are reviewed from high and low scientific reasoning ability. The sample in this study (N) numbered 125 students who were selected using c...

Penerbit: Jurnal Pembelajaran Fisika

EFFECTS OF COPPER WIRE ADDED WICK ON THE PERFORMANCE OF WASTE COOOKING OIL STOVE

Oleh: Windra, Muhammad Agus, ., Tamrin, Haryanto, Agus

This study aimed to determine the effect of copper wires addition to the cloth wick on the performance of stove fueled by waste cooking oil. The study was divided into two stages.  First, is to test the capillarity of wick at different copper wires addition by observing flame quality, capillary hei...

Penerbit: The University of Lampung

EFFECTS OF CORN CULTIVAR-TILLAGE SYSTEM COMBINATION ON VESICULAR ARBUSCULAR MYCORRHIZAE

Oleh: ., Joko Prasetyo

Pengaruh kombinasi  varietas jagung dan sistem olah tanah terhadap mikorisa vesikular arbuskular.  Penelitian telah dilakukan untuk mengevaluasi pengaruh kombinasi sistem olah tanah dan varietas terhadap  populasi mikorisa vesikular arbuskular. Penelitian juga ditujukan untuk mengetah...

Penerbit: Universitas Lampung

EFFECTS OF CULTIVAR-TILLAGE SYSTEM COMBINATION ON MYCORRHIZAL POPULATION

Oleh: ., Joko Prasetyo and Sri Yusnaini

Pengaruh kombinasi sistem olah tanah dan varietas terhadap  populasi mikorisa. Suatu penelitian telah dilakukan untuk mengetahui pengaruh kombinasi sistem olah tanah dan varietas terhadap  populasi mikorisa. Penelitian  terdiri atas empat perlakuan yang disusun dalam rancangan acak ke...

Penerbit: Universitas Lampung

EFFECTS OF DIETS WITH DIFFERENT PROTEIN LEVEL FOR COBIA (Rachycentron canadum) GROWTH IN CONTROLLED TANK

Oleh: Setianingsih, Lulus, Santoso, Limin, Saputra, Suryadi

The feed given to cobia’s juvennile (Rachycentron canadum) still uses expensive factory-made feed to be the basis of this research. This aims of this research to examine the effect of feed formula with different protein levels on optimal growth cobia. This research method  used a completely rando...

Penerbit: University of Lampung

Effects of Gluconacetobacter xylinus Concentrations on the Physicochemical Properties of Bacterial Cellulose from Coconut Water Medium

Oleh: Sya'di, Yunan Kholifatuddin, Wicaksono, Damar Bima, Suyanto, Agus

Utilization of coconut water into a bacterial cellulose product is promising to take advantage of the abundant natural resources. The synthesis of bacterial cellulose using coconut water media requires optimal conditions to achieve the best characteristics as a bioplastic component. This study aims ...

Penerbit: The University of Lampung

Effects of Green Manure and Clay on the Soil Characteristics, Growth and Yield of Peanut at the Coastal Sandy Soil

Oleh: Muchtar, Muchtar, Soelaeman, Yoyo

Effects of Green Manure and Clay on the Soil Characteristics, Growth and Yield of Peanut at the Coastal Sandy Soil (Muchtar and Y Soelaeman): Poor physical properties and limited amount of available nutrients were regarded as two main constraints possessed by coastal sandy soil for agricultural prod...

Penerbit: UNIVERSITY OF LAMPUNG

Effects of Gypsum and Zeolite on Nutrient Uptake and Shallot (Allium ascalonium L.) Growth on Irrigated Saline Entisol

Oleh: Rahayu, Rahayu, Syamsiyah, Jauhari, Dewi, Livia

Entisols is soil that newly formed and has diverse fertility, and potential for shallot cultivation.. The center of shallot production is mostly carried out in coastal areas which have a limiting factor high soil salinity. High salinity will cause nutrient uptake and plant growth disrupted. Soil ame...

Penerbit: UNIVERSITY OF LAMPUNG

EFFECTS OF INITIAL SOIL CARBON AND METAL CONTENTS ON SORPTION OF DISSOLVED ORGANIC CARBON ON THE SOILS OF TROPICAL RAIN FOREST TRANSFORMATION SYSTEMS

Oleh: Ngatijo, Ngatijo, Muhammad, Damris, Saad, Asmadi

Karbon organik terlarut (DOC) dalam tanah memainkan peran penting dalam distribusi nutrisi dan konsentrasinya dapat dipengaruhi oleh keberadaan partikel mineral tanah. Kandungan karbon tanah awal dapat mengurangi kapasitas tanah untuk menyerap DOC karena adanya tolakan muatan negatif. Penelitian ini...

Penerbit: Jurusan Kimia FMIPA Universitas Lampung