PRODUCTIVITY OF CROP ROTATION WITH LONG-TERM USE OF FERTILIZERS
Journal Title: Наукові доповіді НУБіП України - Year 2018, Vol 3, Issue 3
Abstract
The article reflects the results of the study obtained in a long-term stationary experience for 46 years. The aim of the research was to study the productivity of field crop rotation at different fertilizer systems. The study was performed in long-term field experiment of Department of Agrochemistry and soil fertility Odessa DSDS NAAN on the southern black soil humus wakeupinterval on the forest breed, founded in 1971. It is established that the maximum productivity of grain paraprosalpia crop rotation ensured the long-term use on the southern black soil organo-mineral fertilization systems ( 15 t manure + N48,8P41,2K34,8) – an increase of 36,1 % against the variant without fertilizers; the highest growth performance paro grain rotation was observed with a systematic introduction to the hectare swasno square N128,7 (+76.4 per cent) and the use of this dose on the background of a single (+83,7%) and double (+92.7 per cent) norms of phosphorous-potash fertilizers; It is noted that the cessation of fertilizer application for ten years led to a decrease in crop rotation productivity by an average of 13.5%, the intensity of the decrease depended on the type of fertilizer system.
Authors and Affiliations
А. I. Krivenko, S. I. Burykina
Keywords
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