Results 31 to 40 of about 138,421 (105)

БАЛАНС ПИТАТЕЛЬНЫХ ВЕЩЕСТВ В ЗЕРНОТРАВЯНОМ СЕВООБОРОТЕ НА ДЕРНОВО-ПОДЗОЛИСТОЙ ТЯЖЕЛОСУГЛИНИСТОЙ ПОЧВЕ ПОДМОСКОВЬЯ

open access: yesПлодородие
Определение баланса питательных веществ помогает установить степень и быстроту окультуривания почвы [1] или падение уровня плодородия и ее деградацию в условиях дефицитного баланса элементов минерального питания.
Коваленко А.А.   +2 more
semanticscholar   +1 more source

Effect of tillage, biochar, poultry manure and NPK 15-15-15 fertilizer, and their mixture on soil properties, growth and carrot (Daucus carota L.) yield under tropical conditions

open access: yesHeliyon, 2021
Tillage, biochar, poultry manure, NPK fertilizer and their combined application could improve soil quality, sustainability and carrot productivity. The effects of two tillage treatments: conventional tillage (CT) and reduced tillage (RT) each combined ...
T. Agbede
semanticscholar   +1 more source

Veto players and equilibrium uniqueness in the Baron-Ferejohn model [PDF]

open access: yes, 2015
In political economy, the seminal contribution of the Baron–Ferejohn bargaining model constitutes an important milestone for the study of legislative policy making.
Celik, L., Karabay, B.
core   +1 more source

Supplementing wastewater with NPK fertilizer as a cheap source of nutrients in cultivating live food (Chlorella vulgaris)

open access: yesAnnals of Microbiology, 2021
Introduction The decline in fishery resources from the wild has led to an ever increasing focus on aquaculture in recent years. With increasing aquaculture of animal species, there is an increasing need for suitable microalgae in the production of these ...
Kulwa Mtaki, M. Kyewalyanga, M. Mtolera
semanticscholar   +1 more source

PENGARUH KOMPOSISI NPK DAN DOSIS PEMUPUKAN TERHADAP PERTUMBUHAN ANTHURIUM DAUN WAVE OF LOVE (Anthurium sp.) [PDF]

open access: yes, 2009
Research this aim to study of composition and dosage of NPK fertilizer which both for growth of Anthurium sp. Benefit of research this can gave information of usage composition and dosage of NPK fertilizer which both for to growth of Anthurium sp ...
RINSAWATI, DWI
core  

Extremal dynamics on complex networks: Analytic solutions

open access: yes, 2005
The Bak-Sneppen model displaying punctuated equilibria in biological evolution is studied on random complex networks. By using the rate equation and the random walk approaches, we obtain the analytic solution of the fitness threshold $x_c$ to be 1/(_f+1),
G. R. Grimmett   +7 more
core   +1 more source

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

Boron isotope ratio (delta B-11) measurements in water framework directive monitoring programs: comparison between double focusing sector field ICP and thermal ionization mass spectrometry [PDF]

open access: yes, 2010
International audienceThe aim of our research was to compare delta B-11 measurements performed with thermal ionization mass spectrometry (TIMS) and sector field-inductively coupled plasma-mass spectrometry (SF-ICP-MS) and evaluate the feasibility of ...
Aggarwal   +44 more
core   +4 more sources

Extractability of slurry and fertilizer phopshorus in soil after repeated freezing [PDF]

open access: yes, 2005
The potential effects of freezing on phosphorus (P) chemistry in Finnish soils are not well known. We studied the effects of multiple freeze-thaw cycles on soil P chemistry in a laboratory incubation experiment with one organic and one mineral surface ...
Peltovuori, Tommi, Soinne, Helena
core  

Locality-Aware Hybrid Coded MapReduce for Server-Rack Architecture

open access: yes, 2017
MapReduce is a widely used framework for distributed computing. Data shuffling between the Map phase and Reduce phase of a job involves a large amount of data transfer across servers, which in turn accounts for increase in job completion time.
Gupta, Sneh, Lalitha, V.
core   +1 more source

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