Results 11 to 20 of about 18,220 (209)

Research progress in activation of phosphorus containing substances and remediation of heavy metal pollution in soil [PDF]

open access: yesE3S Web of Conferences, 2020
The phenomenon of soil phosphorus deficiency in China is very serious, which limits the agricultural production in China. Low molecular weight organic acids and phosphorus solubilizing microorganisms are widely distributed in the soil, and can be used as
Na Wang
doaj   +1 more source

Plant growth and yield of butter kale (Brassica oleracea L. var. acephala), as influenced by the combined application of bovine manure and rock powder

open access: yesActa Agronómica, 2021
The supply of organic matter in soil of arid and semiarid in Brazilian regions is very import, as it allows to increase crop yields.  However, there are few studies on alternative sources of fertilizer for vegetables.
Micaela B. Pereira Micaela   +5 more
doaj   +1 more source

Cucumber Bioassay and HPLC Analysis to Detect Diuron Residues in Remineralized Soils Following Canavalia ensiformis Cultivation as a Phytoremediator

open access: yesHorticulturae, 2023
The aim of this study was to evaluate the role of rock powder in the phytoremediation of Inceptisol (sandy loam) and Oxisol (clay) contaminated with diuron.
Grazielle Rodrigues Araujo   +5 more
doaj   +1 more source

Potential of olivine melilitite as a soil remineralizer according to particle size and rates

open access: yesPesquisa Agropecuária Brasileira, 2022
The objective of this work was to evaluate the potential of olivine melilitite rock powder, in two particle sizes and in increasing rates, to improve the chemical properties of the soil and the growth and nutrient accumulation of soybean (Glycine max ...
Jaime Antonio de Almeida   +3 more
doaj   +1 more source

An Experimental Study on the Preparation of Soft Rock Similar Materials Using Redispersible Latex Powder as a Modifier

open access: yesMolecules, 2022
The engineering geological problems of soft rock are common in large slope engineering and underground engineering surrounding rock. In order to study the change in mechanical properties of soft rock under the action of loading, excavation and rainfall ...
Xu Ren   +4 more
doaj   +1 more source

The Passivation Effect on Cd of Mixing of Hyperaccumulated Plant Straw and Phosphate Rock Powder in Cd Polluted Soil [PDF]

open access: yesE3S Web of Conferences, 2019
Soil culture experiments were carried out to study the effects of the mixture of cadmium (Cd) hyperaccumulator straw (Solanum nigrum L., Amaranthus chinense L., and Siegesbeckia orientalis L.) and phosphate rock on soil pH, available Cd content and soil ...
Luo Xian   +6 more
doaj   +1 more source

Characteristics and mechanism of time on sand powder 3D printing rock analogue: a new method for fractured rock mechanics

open access: yesGeomechanics and Geophysics for Geo-Energy and Geo-Resources, 2023
Laboratory tests are one of the most fundamental and crucial methods in rock mechanics and engineering research. Natural rock specimens are challenging to acquire, and traditional casting methods involve prolonged curing times and cannot produce rock ...
Zhe Zhang   +5 more
doaj   +1 more source

Effects of biotite syenite on the nutrient levels and electrical charges in a Brazilian Savanna Ferralsol

open access: yesPesquisa Agropecuária Tropical, 2021
In the Brazilian Savanna, most of the soils have a low natural fertility. In order to overcome this limitation, farmers use large amounts of soluble fertilizers, causing environmental impacts.
Luiz Fernando dos Santos   +4 more
doaj   +1 more source

Weathering features of a remineralizer in soil under different land uses

open access: yesPesquisa Agropecuária Brasileira, 2021
The objective of this work was to analyze the mineralogical, morphological, and compositional modifications resulting from the weathering of diabase grains buried into soil under different land uses for up to 378 days.
Rafael Cipriano da Silva   +2 more
doaj   +1 more source

Effect of adding waste boulder powder on mechanical properties of green concrete [PDF]

open access: yesE3S Web of Conferences, 2021
Reusing of stone powder formed in the production of manufactured sand is of great significance to environmental protection and resource utilization. In this paper, C30 and C40 environment-friendly manufactured sand concrete were prepared by adding 6%, 9%,
Li Xiaohui
doaj   +1 more source

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