Nitrogen fertilizers, complex npk fertilizers, florins, fertins, vegetables in human diet, nutrition and fertilization of vegetables, organic fertilizers...
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Fertilization, one of the most important agrotechnical measures, in this century largely depends on the production of organic and mineral fertilizers.
Everything you want to know about annual planning in your garden - about the selection and scientific approach to growing flowers, about the types of vegetables and buying the right seeds - you will find in this book.
This work is a practical guide for growing houseplants: it offers solutions to doubts, advises exactly what must and what must not be done to make your flowers lush.