Productivity of currants black depending on maintenance of soil and fertilizer
Abstract
The article reviews the findings of the investigation of the impact of ‘black’ fallow and grassland renovation on the black currant yield. The research data of the impact of complete fallow, straw and film mulching, combined with fertilization (optimization of N, P2O5, K2O in the soil (background) and foliar fertilizing with organic solution Riverm (consentration 1, 3 and 5 %)) on the black currant yield is summarized.The yields of the black currant significantly depended on the agricultural technologies and weather conditions. Weather conditions during the years of the research were contrasting: the arid 2007 is characterized by the increase in air temperature, low rainfalls, air and soil droughts (the period of draught lasted from May to late summer); favorable weather conditions for planting and plant growth were observed in 2008; sedimentation pattern in 2009 is characterized by differential rainfall distribution during the growing season of black currant and slow warming at the beginning of the vegetation period.In the course of our research it was found out, that significantly greater yield of black currant was observed while row-spacing lies fallow than in case of use the grassland renovation system. Mulching the black currant planting with straw around the bush and lies it fallow is much more effective in comparison with polyethylene mulching around the bush and lies it “autumn” fallow. The research revealed that, while using the grassland renovation system, the most efficient mulching method was polyethylene mulching around the bush. The use of foliar fertilizing with organic solution Riverm significantly increased the yield of berries. The optimum alternative for black current planting was straw and film mulching around the bush, combined with fertilization ( N60P90K90 + Riverm (consentration 3 %)).References
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