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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Vliv dávky chlévského hnoje na fyzikální a hydrofyzikální vlastnosti půdy
 Kahánek, Dalibor
This thesis deals with the changes of physical and hydrophysical property of haplic stagnosol in four different variants of a farmyard manure application. The experimental location is situated on the border between the cereal and the forage production area. Different amounts of the farmyard manure (0 t/ha, 15 t/ha, 30 t/ha, 45 t/ha) were applied on each variant. The soil probe was dug out. The soil profile was described using the KPZP Comprehensive Methogology (Souborná metodika KPZP, Němeček, 1967) and the soil samples were taken. Then the core samples were taken into the Kopecky's cylinders from the depth (the centre of the cylinders) of 15 cm and 27 cm in six periods. The loose samples were taken from the same depths as well. A decrease of bulk density of dried soil was identified in the variant with the highest application of the farmyard manure. A growth of porosity, a water-holding capacity and a capillary water capacity were identified on the variant with 45 t of the farmyard manure in 15 cm depth. The difference of the soil structure between the variants is not reflective because of the heterogeneity of haplic stagnosol.
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Zpracování hnoje z různých technologických systémů
 Vávra, Ivan
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