Preliminary results of studies on the effects of organic fertilization and mulching on the growth of one-year old european larch (Larix decidua mill.) seedlings and occurrence of soil mites under micro-sprinkler irrigation in two sylvan-natural regions of Poland

Preliminary study on the influence of organic fertilization and mulching on the growth of one-year old Scots pine (Pinus sylvestris L.) seedlings and occurrence of soil mites under micro-sprinkler irrigation in two differ-ent sylvan-natural regions of Poland