ORIGINAL ARTICLE
 
KEYWORDS
TOPICS
ABSTRACT
The yield of many crops can be increased by irrigating them with magnetically treated water (MTW). The aim of our research was to determine if the efficacy of a soil-applied herbicide such as metribuzin against weeds could be affected by MTW. A split-plot randomized complete block experiment was designed with two main plots, including potato (Solanum tuberosum L.) irrigated with equal volumes of MTW and non-MTW. Sub-plots were weedy control, weed-free control (hand-weeded), and pre-emergence application of metribuzin at 420 and 525 g a.i. · ha–1. Generally, MTW induced the seed germination and vegetative growth of Amaranthus blitoides S.Watson and Convolvulus arvensis L., resulting in a reduction of the total tuber yield of potato from 1.47 to 1.18 kg · m–2. MTW improved the efficacy of weed control strategies, resulting in an improvement of the total tuber yield and the water use efficiency of potato. The total tuber yield when metribuzin was applied at 420 g a.i. · ha–1 with MTW (3.51 kg · m–2) was more than when metribuzin was applied at 525 g a.i. · ha–1 with non-MTW (2.76 kg · m–2). It can be concluded that the use of MTW can be a safer crop production method by reducing the required dosage of metribuzin to control weeds. Considering the fact that the use of MTW without herbicide application increased the density of weed species, this method should be limited to a scenario where weeds can be effectively controlled.
ACKNOWLEDGEMENTS
The author gratefully acknowledges the Ansar Industrial Group who provided the Magnetic Water Softener. Appreciation is also extended to Somayeh Ebrahimpoor Faraji and Mahmoud Malaki who provided invaluable assistance in conducting this research. No potential conflict of interest was reported by the author.
RESPONSIBLE EDITOR
Zbigniew Czaczyk
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
 
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