EFFECT OF IRRIGATION METHODS AND TECHNIQUES OF EARTHING UP ON THE POTATO YIELD
Abstract and keywords
Abstract (English):
The article considers three ways of watering potatoessprinkling, furrowing, drip and two methods of hilling – ridge and ridge at early spring and summer planting times. The use of drip irrigation systems in the cultivation of potatoes in the subzone of light-chestnut soils of the Lower Volga region leads to an increase in yield of 63 % compared with sprinkler irrigation, at 31 % compared to irrigation furrows in the spring planting time and by 34 % compared to sprinkler irrigation, by 28 % compared to irrigation furrows on the options for summer planting time. Ridge hilling technique led to an increase in potato yield compared to the ridge technique by 8.5…13.3 % at early spring planting times and by 6.6…13.5 % at summer planting times. The analysis of yield of the main production shows that potatoes of spring term of landing formed mass of tubers to 57,4 t/ha, and at summer plantings to 62,6 t/ha. On average, the yield of potatoes at summer planting dates was higher than the yield of potatoes at spring planting dates by 13 %.

Keywords:
potatoes, yield, sprinkling, furrow irrigation, drip irrigation, furrows, ridges
References

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