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This paper contains result of field tests performed on fields of spring and winter wheat in five separate farms. The measurements were realized on cultivations with dense stand and tramlines. The compared characteristics were: grain yield and yield components.
Utilization of ABC/XYZ analysis in stock planning in the enterprise. Utilization of ABC and XYZ analysis in the process of product stock management in trade enterprise is presented. Basing on the product list and information connected with the sale level, the goods were grouped into categories and priority levels in the decision problem solving were pointed out in order to achieve better financial...
Soil considerations in cultivation of plants. There are analyzed the results of investigations on the effect of tractor outfit traffic over the field on the plant growth conditions. Changes in soil compaction, density and porosity influenced by compacting by wheels are presented in relations to optimal values. The effect of excessive soil compaction on development of root system and absorption of...
There are presented the results of investigations on determination of the effect of wheel passage number, tyre inflation pressure and wheel load on soil compaction. Investigations were carried out in a soil bin filled with the fine loamy soil layer of dimensions 10 x 2 x 1 m (length x width x depth), of moisture content 12%. In investigations there was used the tractor wheel with tyre 7.50 - 16, loaded...
W pracy przedstawiono wyniki badań polowych nad wpływem sposobu wykonywania przejazdów po polu na plonowanie buraka, ziemniaka, rzepaku i pszenżyta ozimego. Badanie prowadzono na trzech obiektach: I - bez przejazdów (łan), II - z przejazdami wykonywanymi sposobem tradycyjnym (tj. po łanie roślin w pszenżycie, w rzepaku lub między rzędami roślin, przy standardowej rozstawie rzędów w okopowych), III...
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