Provided is a soil conditioner that comprises, as an active ingredient, a compound represented by general formula (1), a salt thereof or a solvate of the same. In general formula (1), R.sup.1 to R.sup.6 independently represent an optionally substituted hydrocarbon group having 1-5 carbon atoms, an optionally substituted alkoxy group having 1-5 carbon atoms, an amino group, a hydroxy group, a halogen atom or a hydrogen atom.

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Provided are a methane-production inhibitor capable of inhibiting methane production for a long period of time, and a method for inhibiting methane production using the composition. A methane-production inhibitor composition contains one or more compounds selected from compounds represented by formula [I] as an effective ingredient, and a method for inhibiting methane production uses the composition.

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(In formula [I], X represents an —OR.sub.1 group, a hydroxyl group, or a halogen atom, Y represents an —OR.sub.2 group or an —SO.sub.2R.sub.3 group, R.sub.1 represents a benzoyl group, R.sub.2 represents a methylsulfonyl group or a chloromethylsulfonyl group, and R.sub.3 represents a chloromethyl group or a hydroxymethyl group.)

Provided is a type of Rhizobium with the classified nomenclature of BradyRhizobium sp. KTMS 0001 or BradyRhizobium sp. KTMS 0002, and the deposit number of CCTCC No. M2017580 or CCTCC No. M2017581. Also provided are a bacterial preparation containing the Rhizobium, a method for restoring rare-earth tailings soil and a use of the Rhizobium.

Provided is a type of Rhizobium with the classified nomenclature of BradyRhizobium sp. KTMS 0001 or BradyRhizobium sp. KTMS 0002, and the deposit number of CCTCC No. M2017580 or CCTCC No. M2017581. Also provided are a bacterial preparation containing the Rhizobium, a method for restoring rare-earth tailings soil and a use of the Rhizobium.

A method for capturing material extracted from biochar is provided comprising the steps of: (i) providing a biochar; (ii) contacting the biochar with an extraction media, where the extraction media causes the removal of residual compounds from the pores and surface of the biochar, creating a resulting extract comprised of the extraction media and removed compounds; and (iii) collecting the resulting extract. The method also can include other steps of extraction and purification. The method further comprises the step of applying the resulting extract to seeds, plants, soil, other agricultural products, or for use in other applications. A biochar having high levels of soluble signaling compounds is also provided, where the biochar is derived from a biomass source that together with predefined pyrolysis parameters produces resulting biochar having increased levels of soluble signaling compounds that are known to increase seed germination rates and early plant growth. Such soluble signaling compounds can then be collected in a biochar extract by contacting the biochar with an extraction media.

A method for capturing material extracted from biochar is provided comprising the steps of: (i) providing a biochar; (ii) contacting the biochar with an extraction media, where the extraction media causes the removal of residual compounds from the pores and surface of the biochar, creating a resulting extract comprised of the extraction media and removed compounds; and (iii) collecting the resulting extract. The method also can include other steps of extraction and purification. The method further comprises the step of applying the resulting extract to seeds, plants, soil, other agricultural products, or for use in other applications. A biochar having high levels of soluble signaling compounds is also provided, where the biochar is derived from a biomass source that together with predefined pyrolysis parameters produces resulting biochar having increased levels of soluble signaling compounds that are known to increase seed germination rates and early plant growth. Such soluble signaling compounds can then be collected in a biochar extract by contacting the biochar with an extraction media.

A soil and/or plant amendment composition is formed from a base composition having from 10 wt % to 99.9 wt % aloe vera by total weight of the base composition. The base composition further includes from 0.01 wt % to 25 wt % neem by total weight of the base composition and from 0.01 wt % to 25 wt % turmeric by total weight of the base composition. The base composition may also contain a giant kelp or dulse component. The base composition is mixed with water to form a treatment solution that can then be applied to plants or soil to facilitate plant growth.

A soil and/or plant amendment composition is formed from a base composition having from 10 wt % to 99.9 wt % aloe vera by total weight of the base composition. The base composition further includes from 0.01 wt % to 25 wt % neem by total weight of the base composition and from 0.01 wt % to 25 wt % turmeric by total weight of the base composition. The base composition may also contain a giant kelp or dulse component. The base composition is mixed with water to form a treatment solution that can then be applied to plants or soil to facilitate plant growth.

An organic acid composition for use in oil industry activities, said composition comprising an arylsulfonic acid in water as well as the use of said composition to perform various operations in the oil industry. There is also disclosed a solid acid composition comprising a corrosion inhibitor ready for dissolution and use.

The present invention is related to a method for indicating soil additives for improving soil water infiltration and/or modulating soil water repellence, a corresponding arrangement and the use thereof.