Results 21 to 30 of about 731,444 (207)

Dependence of above-ground mass formation of sickle alfalfa on application of different doses of mineral fertilizers in terms of permafrost floodplain soils of Yakutia, Russia [PDF]

open access: yesCaspian Journal of Environmental Sciences, 2021
The experiments were carried out on the permafrost floodplain soils of the Khangalassky region of Yakutia to study the effect of different doses of mineral fertilizers on the formation of the forage mass of sickle alfalfa, the variety Yakutskaya yellow ...
Osipova Valentina Valentinovna
doaj   +1 more source

Impact of organic and inorganic fertilizers on tomato vigor, yield and fruit composition under tropical andosol soil conditions [PDF]

open access: yes, 2009
Introduction. Little is known about the impact of organic manure on andosol. Materials and methods. Two varieties of Solanum lycopersicum L. (cvs. ‘Rio grande’ and ‘Rossol VFN’) were grown under tropical andosol.
V. Paul Mbouapouognigni   +11 more
core   +1 more source

ROLE OF HUMIC SUBSTANCES, SEAWEEDS AND MINERAL FERTILIZERS IN IMPROVEMENT OF CUCUMBER PRODUCTION [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2010
A field experiment was conducted to evaluate the effect of humic and fulvic acids as well as seaweeds in combination with different rates of mineral fertilizers (NPK) on production of cucumber plants.
M. Soliman, A. Taha, E. El-Hadidi
doaj   +1 more source

Biofertilizers Improve the Leaf Quality of Hydroponically Grown Baby Spinach (Spinacia oleracea L.)

open access: yesAgronomy, 2023
Plant nutrition through mineral fertilizers is commonly used in soilless culture systems. Our study aims to replace intensive mineral fertilizers with bio-fertilizers, at least partially.
Hayriye Yildiz Dasgan   +4 more
doaj   +1 more source

Quantitative Mineralogical Analysis of Glauconite Sands from the Krantau Deposit: Implications for Industrial and Agricultural Utilization [PDF]

open access: yesBIO Web of Conferences
The sustainable use of indigenous mineral resources has emerged as a strategic approach to developing environmentally friendly fertilizer technologies and reducing reliance on imported agrochemicals.
Kurbiyazov Dilshodbek   +2 more
doaj   +1 more source

EFFECTS OF MINERAL AND ORGANIC-MINERAL PHOSPHATE FERTILIZERS ON SOIL FERTILITY PARAMETERS

open access: yesColloquium Agrariae, 2013
Organic sources can replace all or part of the mineral phosphorus used in fertilizer, providing significant changes in soil chemical properties. This research evaluated the effects of mineral and organic-mineral phosphorus on the soil fertility in maize tillage.
Carlos Sérgio Tiritan   +3 more
openaire   +5 more sources

Multiple benefits of manure: the key to maintenance of soil fertility and restoration of depleted sandy soils on African smallholder farms [PDF]

open access: yes, 2008
Manure is a key nutrient resource on smallholder farms in the tropics, especially on poorly buffered sandy soils, due to its multiple benefits for soil fertility. Farmers preferentially apply manure to fields closest to homesteads (homefields), which are
Nyamangara, J.   +3 more
core   +1 more source

Ameliorating Growth Performance and Active Compounds of Moringa Plant by Integrated Nutrients Management [PDF]

open access: yesJournal of Plant Production, 2018
Two pot experiments were carried out during growth seasons of 2016 and 2017 at the experimental station of faculty of agriculture, Benha University. The investigation target was to find out the effect of using plant growth promoting rhizobacteria either ...
A. Salem, M. Abd El-Aal
doaj   +1 more source

Biosorption of Microelements by Spirulina: Towards Technology of Mineral Feed Supplements

open access: yesThe Scientific World Journal, 2014
Surface characterization and metal ion adsorption properties of Spirulina sp. and Spirulina maxima were verified by various instrumental techniques. FTIR spectroscopy and potentiometric titration were used for qualitative and quantitative determination ...
Agnieszka Dmytryk   +2 more
doaj   +1 more source

The role of nano fertilizers and compost in improving agricultural soil properties and their impact on faba bean productivity [PDF]

open access: yesBIO Web of Conferences
The research aimed to assess the effects of NPK nano-fertilizers and compost, with or without NPK mineral fertilizers, on soil properties and the productivity of local beans.
Kamel Walaa M.
doaj   +1 more source

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