Effects of mechanochemically activated phosphate rock on maize growth and phosphorus use
Plant, Soil and Environment, 2022 It is well known that mechanochemically activated phosphate rock (MAPR) could improve extractable phosphorus (P) (extracted in 2% citric acid) greatly in an ecological way.
Nana Fang +5 more
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Yankuang ceshi, 2018 BACKGROUND The Kunyang phosphate deposit in central Yunnan is the largest marine sedimentary phosphorite deposit in China. The deposit is hosted in black shale of the Lower Cambrian Meishucun Formation.
YAN Qing-gao +5 more
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Аграрная наука Евро-Северо-Востока, 2021 The article presents the results of three-year (2017-2019) field studies on changes in agrochemical characteristics of soil and formation of productivity of birdsfoot trefoil and timothy grass mixture in dependence of the liming (hydrolytic acidity 0.25)
A. P. Kislitsyna, V. A. Figurin
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Applying rare earth elements, Uranium, and 87Sr/86Sr to disentangle structurally forced confluence of regional groundwater resources: The case of the Lower Yarmouk Gorge [PDF]
, 2019 The conjoint discussion of tectonic features, correlations of element concentrations, δ18O, δD, and 87Sr/86Sr of groundwater leads to new insight into sources of groundwater, their flow patterns, and salinization in the Yarmouk Basin.
Al-Raggad, Marwan +6 more
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Technology of obtaining micronutrient fertilizers based on micronutrient secondary raw materials of the industry [PDF]
E3S Web of ConferencesThe article presents the research results of obtaining nitrogenphosphorus- calcium-microelement fertilizers by adding suspensions obtained by activating phosphorite with microelement industrial waste in different proportions to the superphosphate mass ...
Uktamov Dilmurod, Aliyeva Mukhayyo
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Integration of Darriwilian (Middle Ordovician) δ13Corg chemostratigraphy with graptolite biostratigraphy in the classical Röstånga area in northwestern Scania (southern Sweden) [PDF]
Estonian Journal of Earth Sciences, 2020 The largely covered Middle Ordovician succession in the classic geological Röstånga area in northwestern Scania has not been studied for some 80 years.
Stig M. Bergström +4 more
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Phosphatized bacteria from the cretaceous phosphorites of Syria, Palmyra region
Известия высших учебных заведений: Геология и разведка, 2023 Background. Phosphatized bacteria of various shapes and numerous structures resulting from their vital activity have been found in the Late Cretaceous (Campanian) of Palmyra phosphorites deposits in Syria.
M. Alzammar, E. A. Zhegallo
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Obtaining complex fertilizers based on low-grade phosphorites [PDF]
E3S Web of Conferences, 2021 In the study, the process preparation of phosphorus-humus fertilizers based on low-grade Central Kizilkum phosphorites activated using sulfuric acid in the ratio of 30-70% for decomposition of CaCO3 in the phosphorite followed by addition of activated ...
Temirov Uktam +5 more
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Conellae, enigmatic structures on cephalopod shells—shapes, distribution, and formation [PDF]
, 2019 Conellae, enigmatic cone-shaped structures which can be found on the surface of internal moulds of cephalopod shells (predominantly of ammonoids), are regarded herein as the product of remote (biologically induced) biomineralization formed in closed-off ...
Hoffmann, René +2 more
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Research of uranium content in the composition of phosphorites of the Aznek mines [PDF]
E3S Web of ConferencesToday, practical work is being carried out in the world on processing minerals to obtain valuable components. Leading scientists from all over the world are engaged in scientific research on the extraction and production of radioactive elements, such as ...
Khurramov Navruzbek +4 more
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