The present invention relates to a broad-spectrum biocidal composition, with fungicidal and bactericidal activity, containing metal or metal oxide nanoparticles, polymeric thickeners, plant extracts, surfactants, and additives in an aqueous solvent, as well as the method for in situ production of said metal nanoparticles under controlled operating conditions: concentration, volumetric ratio, time, agitation, temperature, and pH, using plant extracts as reducing agents.

This invention refers to a bacterial inoculating formulation based on a microorganism consortium of genus Calothrix sp., to increase yield and quality of vegetable crops, the method for manufacturing the formulation and uses thereof, particularly its use in the industry of bacterial inoculants for field and greenhouse application, and for any other place requiring an enhancement in yield and quality of vegetable crops, without using nitrogen chemical fertilizers. The bacterial inoculating formulation based on a microorganism consortium of genus Calothrix sp., to increase yield and quality of vegetable crops comprises: a) a microorganism consortium of genus Calothrix sp., at a concentration ranging from 0.05% to 10% by weight; b) a substrate or immobilizing vehicle in order to immobilize the microorganisms at a concentration ranging from 2% to 80% by weight; c) a soil pH buffer at a concentration ranging from 0% to 3% by weight, and d) moisture at a concentration ranging from 7% to 97.95% by weight.

This invention refers to a bacterial inoculating formulation based on a microorganism consortium of genus Calothrix sp., to increase yield and quality of vegetable crops, the method for manufacturing the formulation and uses thereof, particularly its use in the industry of bacterial inoculants for field and greenhouse application, and for any other place requiring an enhancement in yield and quality of vegetable crops, without using nitrogen chemical fertilizers. The bacterial inoculating formulation based on a microorganism consortium of genus Calothrix sp., to increase yield and quality of vegetable crops comprises: a) a microorganism consortium of genus Calothrix sp., at a concentration ranging from 0.05% to 10% by weight; b) a substrate or immobilizing vehicle in order to immobilize the microorganisms at a concentration ranging from 2% to 80% by weight; c) a soil pH buffer at a concentration ranging from 0% to 3% by weight, and d) moisture at a concentration ranging from 7% to 97.95% by weight.

There is provided a nitrogen fertilizer granule in which the nitrogen release can be timed and the nitrogen release rate can be controlled according to the needs of the plants to be fertilized. The smart release nitrogen-containing fertilizer granule comprises a nitrogen-containing fertilizer core; an organic functional layer covering the core, wherein the organic functional layer comprises at least one functional organic compound that is an enzyme inhibitor, a microbial suppressor, a phosphorus solubilizer, and/or a plant hormone; a controlled release layer covering the organic functional layer, wherein the controlled release layer comprises water-swellable copolymeric nanoparticles; and an anticaking layer covering the controlled release layer, wherein the anticaking layer comprises water-insoluble copolymeric nanoparticles.

There is provided a nitrogen fertilizer granule in which the nitrogen release can be timed and the nitrogen release rate can be controlled according to the needs of the plants to be fertilized. The smart release nitrogen-containing fertilizer granule comprises a nitrogen-containing fertilizer core; an organic functional layer covering the core, wherein the organic functional layer comprises at least one functional organic compound that is an enzyme inhibitor, a microbial suppressor, a phosphorus solubilizer, and/or a plant hormone; a controlled release layer covering the organic functional layer, wherein the controlled release layer comprises water-swellable copolymeric nanoparticles; and an anticaking layer covering the controlled release layer, wherein the anticaking layer comprises water-insoluble copolymeric nanoparticles.

The present disclosure relates to a novel crystalline form of L-glufosinate ammonium salt and a process for preparation thereof. The present disclosure also provides compositions comprising said form and a method for the control of undesired plant growth using said compositions.

The present disclosure relates to a novel crystalline form of L-glufosinate ammonium salt and a process for preparation thereof. The present disclosure also provides compositions comprising said form and a method for the control of undesired plant growth using said compositions.

The present disclosure relates to a novel crystalline form of L-glufosinate ammonium salt and a process for preparation thereof. The present disclosure also provides compositions comprising said form and a method for the control of undesired plant growth using said compositions.

A process for preparing clomazone is provided, the process comprising reacting 4,4-dimethyl-3-isoxazolidinone with 2-chlorobenzyl chloride in an aqueous medium in the presence of a base, in particular an alkali metal hydroxide. A method for preparing clomazone is also disclosed, the method comprising (a) crystallizing clomazone from solution in an organic solvent; and (b) isolating the resulting crystals. N-benzene is a particularly suitable solvent. Further, there is provided Form I crystalline 2-[(2-chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidinone (clomazone), wherein the polymorph Form I is characterized by at least one of the following properties: (i) an X-ray powder diffraction pattern having characteristic peaks expressed in degrees 2θ(+/−0.20° θ) at one or more of the following positions: about 10.63, 16.07, 18.08, 19.11, 19.34, 21.20, 24.78 and 28.80; and (ii) an infrared (IR) spectrum having a characteristic peak: at about 2967 and 2870 cm.sup.−1.

A process for preparing clomazone is provided, the process comprising reacting 4,4-dimethyl-3-isoxazolidinone with 2-chlorobenzyl chloride in an aqueous medium in the presence of a base, in particular an alkali metal hydroxide. A method for preparing clomazone is also disclosed, the method comprising (a) crystallizing clomazone from solution in an organic solvent; and (b) isolating the resulting crystals. N-benzene is a particularly suitable solvent. Further, there is provided Form I crystalline 2-[(2-chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidinone (clomazone), wherein the polymorph Form I is characterized by at least one of the following properties: (i) an X-ray powder diffraction pattern having characteristic peaks expressed in degrees 2θ(+/−0.20° θ) at one or more of the following positions: about 10.63, 16.07, 18.08, 19.11, 19.34, 21.20, 24.78 and 28.80; and (ii) an infrared (IR) spectrum having a characteristic peak: at about 2967 and 2870 cm.sup.−1.