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In the vegetable growing field, the germination is an important indicator in the appreciation of seeds quality. The process takes place over a variable period of time being influenced by a number of factors such as species, environmental conditions and the treatment applied to the seeds. We used citrate - stabilized gold nanoparticles to prevent the occurrence of fungi and to stimulate the germination process of carrot seeds. The gold nanoparticles were synthesized by mixing and heating aqueous solutions of chloro...

The most important conditions to place the polytunnels are the presence of heating and water sources as well as the distance to the market, in order to diminish the transport costs. In the polytunnels, it is necessary to control the air and the soil factors. In soil, the main factor is water content that ensures the water to the plants, but over a value can has a negative effect. The negative effects of moisture excess are found in all stages of growth and development of vegetable plants because it determines adve...