Abstract
<p>Potato (<em>Solanum tuberosum </em>L.), is one of the important crops grown in the world which is important as food and nutritional security option at the global level. The experiment was laid out as randomized complete block design in three replications with six nutrition treatments consisted of control, NPK, Mog bio-fertilizer, Nano-Ca, Nano-Zn+B and Nano-Com. The treatment-by-trait (TT) biplot analysis was applied to data to examine its usefulness in visualizing relationships among trait as well as treatments and showed that the first two principal components accounted 80% of total variation. Tuber yield, mean tuber diameter, mean tuber weight, tuber weight per plant, starch content of initial fresh, number of tubers per plant, number of leaves and dry matter content were in the same sector, with Nano-Com fertilizer treatment as the best treatment. Based on ideal entry biplot, the Nano-Com treatment is closest to the position of an ideal treatment and it is ranked the highest in term of morphological performance. Also, the best fertilizer treatment for obtaining of high tuber yield could be found as Nano-Com treatment following Nano-Zn+B treatment. The studied nanofertilizers showed a good potential compared to the commercial bulk and bio fertilizers.</p>
Highlights
The potato (Solanum tuberosum L.) is one of the important field crops in the world and in Iran, its average annual consumption of 50 kg tubers per capita in 2010–2015 (SCI, 2015), and a cropping area of 190,000 ha representing 0.2% of total agricultural land in 2013 and the average potato yield increased substantially to 29.3 t ha-1 (FAOSTAT, 2013)
Ranean region, occupying an overall cultivated area of about one million ha and producing 18 million tonnes of tubers (FAOSTAT, 2013), and in several countries of this region, potatoes are not grown in the usual cycle owing to high temperatures and considerable demand for irrigation water [11]
The increase in potato yield was substantially lower in Iran than in New Zealand, United States and Belgium due to the lower macro and micro nutrients application rates [17]
Summary
The potato (Solanum tuberosum L.) is one of the important field crops in the world and in Iran, its average annual consumption of 50 kg tubers per capita in 2010–2015 (SCI, 2015), and a cropping area of 190,000 ha representing 0.2% of total agricultural land in 2013 and the average potato yield increased substantially to 29.3 t ha-1 (FAOSTAT, 2013). It is a very important crop in the Mediter-. Potato yield is affected by nutrient availability, several researches on fertilizers’ application have received much attention worldwide [9, 10]
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