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The Past, Present and Future Research Results and Opportunities in the Sand Ridge in the Danube-Tisza Interfluve
12-20Views:97In this paper we wish to give some information about the research results and practical experience, the current and future opportunities of the sand rige of the Danube-Tisza Interfluve without aiming at completeness. In our researchgoing on for several decades we have achieved a lot of results and we were the first to write down several of them. In this paper we want to provide a brief overview of the main directions of our research accomplishments and foremost we would like to draw attention on our main study results.
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The Correlation between Nitrogen and Vitamin C Content of Celery in Sandy Soil
327-331Views:104In our series of experiments celery test plants were used in lysimeter type pots. Plant growth, nutrient content and the relationships of them were observed. This publication shows the effects of different doses of nitrogen fertilizer (absolute control, basic +60/120/180 kg/ha N, and the base + 240 kg / ha N (calculated N from manure). The nitrogen content of the celery increased significantly depending on the N-doses; and a strong positive correlation (r = 0.815, p < 0.025 level) was detected in the tubers between N content and vitamin C. Our results establish that in our experimental setup on sandy soil, organic fertilization - enriching the colloid content and improving soil structure - proved to have the most beneficial effects.
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The Effect of Nettle and Bear Garlic Extracts in Biological Control
309-316Views:117During our research we have made a fermented solution and infusion of two plants, namely nettle and bear garlic. The experiments took place in the exhibition garden at the Horticultural Faculty of Kecskemét College. Kápia paprika was the objective of the experiment. We have collected leaf samples from the experiment units and measured the growth quantity. The nettle and bear garlic extracts have a good effect on the growth quantity and the condition of plants. The injury of Helicoverpa Armigera could have been diagnosed only in the plants of the control group, however this has not occured in the treated groups. According to our research results we recommend using these plant extracts in practice for the purpose of biological control and nutrient supply.