OMRI (Organic Materials Review Institute) is an international non-profit organization that determines which input products are allowed for use in organic production and processing. OMRI Listed® products are allowed for use in certified organic operations under the USDA National Organic Program. OMRI specifies the products that fall on its list, such as fertilizers, pest control …
Why do plants turn yellow? This is a question that any of us who are dedicated to the world of plants, whether farmers, gardeners or hobbyists of gardening and home gardens, have ever asked ourselves, and it is something common that usually occurs in some stage of our cultivation or in some season of the …
In the Chelates article we describe in a general way this way of preparing the nutritional elements for greater stability and absorption by plants. We also comment that there is an interesting variety of types of chelates and that it will depend on the type of nutrient and type of soil to choose one or …
1. Plant Nutrition. It is well known that plants need nutrients to live, some in greater quantity and others in less quantity. The process by which the plant obtains from the environment (soil, water and atmosphere) the substances that are necessary to carry out its metabolic processes that allow it to: be born, grow and …
1. Chelated Microelements 1.1 Definition of chelate Chelates are highly stable products capable of keeping metal ions (Zn + 2, Mn + 2, Cu + 2 and Fe + 2) surrounded by an organic molecule (chelating agent) so that they are safeguarded from the environment that would favor their precipitation. as an insoluble hydroxide (OH-). …
Pruning is a practice that regulates the vegetative and reproductive capacity of plants. This capacity is genetically defined by the variety and is strongly influenced by the rootstock and by the climate, soil and crop management conditions. Thus, in peach trees, pruning is, together with fruit thinning, the cultural practice with the highest incidence on …
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