Results 21 to 30 of about 143,660 (279)

The Growth of Oil Palm Seedlings using a Combination Medium of Organic Oil Palm Empty Fruit Bunch and NPK Fertilizer at Main Nursery [PDF]

open access: yesJournal of Tropical Soils, 2020
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.
Hapsoh   +3 more
doaj   +1 more source

Dissimilar response of plant and soil biota communities to long-term nutrient adition in grasslands [PDF]

open access: yes, 2009
The long-term effect of fertilizers on plant diversity and productivity is well known, but long-term effects on soil biota communities have received relatively little attention.
Geerts, R.H.E.M.   +6 more
core   +2 more sources

Waste-Derived NPK Nanofertilizer Enhances Growth and Productivity of Capsicum annuum L.

open access: yesPlants, 2021
Waste generation is a global issue that necessitates effective management for both human and animal health as well as environment. There are several ways to reduce waste, but recycling appears to be the best choice.
H. Abdel-Aziz   +3 more
semanticscholar   +1 more source

PROSPECTS OF TRANSFERRIG THE LARGE VOLUMES OF RADIO ASTRONOMY DATA

open access: yesOdessa Astronomical Publications, 2014
Shows the volume of scientific data generated by the leading radio astronomical projects. The methods of transmission of large amounts of data in the present time and in the future are presented.
E. A. Isaev, P. A. Tarasov
doaj   +1 more source

Analisis Spesifisitas Terhadap Sensor NPK

open access: yesIJEIS (Indonesian Journal of Electronics and Instrumentation Systems), 2023
Insufficient use of fertilizers results in non-optimal plant growth, while excessive use is wasteful and results in pollution. Sensor usage is one method for measuring the nutrient content in the soil so that the fertilization process can be carried out precisely. Accuracy, precision, and error are commonly used in analyzing sensor quality.
Lionel, Ivan   +2 more
openaire   +2 more sources

Spring barley yield and nitrogen recovery after application of peat manure and pig slurry [PDF]

open access: yes, 2006
The effectiveness of peat manure, manufactured of pig slurry and moderately humified Sphagnum peat (slurry:peat ca. 1:1.5 v/v), as nitrogen (N) source for spring barley was investigated in a four.year field experiment on a clay loam soil in south-western
Mattila, Pasi K.
core   +2 more sources

Engineering Biomimetic Calcium Phosphate Nanoparticles: A Green Synthesis of Slow-Release Multinutrient (NPK) Nanofertilizers.

open access: yesACS Applied Bio Materials, 2020
Biomimetic calcium phosphate nanoparticles (CaP) have been actively used in biomedicine, due to their high biodegradability and biocompatibility. However, much less progress has been made regarding their application in precision agriculture, i.e., for ...
G. B. Ramírez-Rodríguez   +7 more
semanticscholar   +1 more source

Response of Moringa oleifera Seeds and Fixed Oil Production to Vermicompost and NPK Fertilizers under Calcareous Soil Conditions

open access: yesPlants, 2021
A shortages of soil nutrients resources and a lack of accessibility to them especially in calcareous soil are considered some of the main factors that limit plant production.
A. Atteya   +5 more
semanticscholar   +1 more source

COMPARATIVE ESTIMATE OF THE PROPORTION OF LIGHTNING STRIKES IN THE TOWERS AND THE UPPER PHASE WIRE IN THE SPAN OF THE OVERHEAD POWER LINES WITHOUT GROUND WIRE

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2018
In the article the analysis of the proportion of lightning strikes in the towers and the upper phase wire of the span of overhead transmission lines without ground wire, made in accordance with different applicable in the Russian Federation, regulatory ...
D. M. Yuditsky, A. E. Usachev
doaj   +1 more source

EFFECT OF COMPOST/NPK AND BIOFERTILIZATION TREATMENTS ON VEGETATIVE GROWTH, YIELD AND HERB NPK% OF FENNEL PLANTS [PDF]

open access: yesScientific Journal of Flowers and Ornamental Plants, 2017
A field experiment was conducted during the two successive seasons of 2012/2013 and 2013/2014 to study the effect of compost/NPK and biofertilization treatments on vegetative growth, yield and herb NPK % of fennel plants.
Farouk Badran   +3 more
doaj   +1 more source

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