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Environmental friendly irrigation of vegetables with high salt content water
Published September 18, 2014
115-119

...5); font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;">Horticultural activities have been characteristic in the hobby gardens located in the northern and western areas around the town of Karcag for more than 300 years. During the droughty summer periods, characteristic to the region, the water demand of vegetables and fruit trees are covered by irrigation, for that the water is gained from drilled wells. These well waters contain high amount of dissolved salts contributing to the secondary salinization of the soil. Taking these facts into consideration an irrigation experiment was set at the lysimeter station of Karcag Research Institute. Our goal was to mitigate the risk of secondary salinization generated by irrigation with waters of high salt content and to survey the application possibilities of soil preserving irrigation.

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Effect of PRPSOL soil conditioner on the physical status of the soil in conventional and reduced tillage systems
Published February 25, 2014
109-113

The effect of PRP-SOL soil conditional on soil compaction, moisture content and bulk density is studied in a long-term soil cultivation experiment from 1997 on a heavy textured meadow chernozem soil, in reduced and conventional tillage at Karcag Research Institute. Our investigations were made in the vegetation period of corn, in June and after... harvesting, on stubble. Soil compaction was measured with a penetrometer, the actual moisture content was determined by gravimetric method. The bulk density values of the regularly cultivated soil layer of 0–10 and 10–20 cm depths were defined from undisturbed soil samples. We established that after 3 years the application of the soil conditioner has positive effect on soil compaction and moisture status of the top layer in the reduced tillage system. We could not figure out this positive effect in the case of conventional tillage.

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Impact assesment of soil conditioners on a high clay content soil
Published February 17, 2015
137-141

Our measurements were done in a soil conditioner experiment started in 2014 which was set in conventional tillage system at the Karcag Research Institute where a soil conditioner was used from 2010. Effect of two different soil conditioners on compaction, moisture content of the soil and on CO2-emission was studied. Measurements were... done after sowing of maize and millet, and on stubble after harvesting. It can be established that less degree of compaction was characteristic to the soil of the plots treated for several years with the soil conditioner during the vegetation period than in case of untreated plots. Higher CO2-emission values were observed on the plots treated for several years than on the control plots. This effect can’t be established in case of soil conditioners used for first time in this year.

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Nutrition reaction of different varieties of winter wheat (Triticum aestivum L.) bred in Karcag
Published March 23, 2016
63-67

In our study the nutrition reaction of four varieties of winter wheat (KG Bendegúz, KG Kunhalom, KG Kunkapitány, KG Széphalom) has been investigated. In the experiment the effect of twenty different nutrition doses on the yield and thousand kernel weight of the wheat varieties has been studied. Significant difference could be figured out amo...ng the yield and thousand kernel weight of the wheat varieties, so the choice of the proper variety determines the quantity of yield. KG Kunkapitány had the highest yield, while KG Széphalom had the highest thousand kernel weight in the experiments.

Investigating the effect of the nutrients on the yield the conclusion was that all nitrogen doses had significant yield increasing effect compared to the untreated plots, but among the 40, 80 and 120 kg ha-1 doses there was no statistical difference. In the case of phosphorus the 40 kg ha-1 dose showed statistically verifiable increase of the yield, while potassium doses have no influence on the yields. The thousand kernel weights reached the maximum values where the highest nutrient doses were applied.

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