RESPONSE OF GARLIC TO NITROGEN AND PHOSPHORUS IN THE COMMON FORM AND NANO | ||||
| Journal of Productivity and Development | ||||
| Article 27, Volume 26, Issue 4, October 2021, Page 1033-1052 PDF (288.36 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpd.2021.211842 | ||||
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| Authors | ||||
Nessma Anwar1; Essam Abou El-Salehein  2; Mahmoud El Hamady1; Manal Mandour3
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| 1Plant Production Department, Faculty of Technological & Development , Zagazig University, Egypt | ||||
| 2Plant Production Department, Efficient Productivity Institute, Zagazig University, Zagazig, Egypt. | ||||
| 3Horticulture Research Station , Al Kassaseen - Agricultural Research Center , Egypt | ||||
| Abstract | ||||
| Two field experiments were conducted during the winter seasons of 2017/2018 and 2018/2019 at a Private farm in San El. Haggar, Shrkia governorate, Egypt to evaluate the effect of potassium and phosphorus fertilizer and the formula of nano fertilizer with potassium and phosphorus on plant growth characters, chemical composition, productivity and storability of garlic cv. Chinase. The experimental design used in the two growing seasons was randomized completes blocks with three replications. This experiment was included 7 treatments, which were: control, P fertilizer ( P2O5 at 90 kg/fedd, calcium superphosphate ), K fertilizer (K2O at 100 kg /fedd , potassium sulphate ), P2O5 and K2O fertilizer ( 100+90 ), Nano P ( 5ml/l ), Nano K(5 ml/l), and nano P+K (2.5 +2.5 ml/l) The obtained results can be summarized as follows: The treatment of nano potassium + nano phosphorus, followed by the treatment of potassium + phosphorus had a significant effect and recorded the highest values of plant height, fresh and dry weight of whole plant in both growing seasons. While the lowest values of vegetative growth of garlic plants were recorded by the control treatment. There are a significant effect of the treatment of potassium + phosphorus fertilizer application caused a maximum values of average bulb weight, bulb diameter, number of cloves/ bulb and total yield / feddan. This treatment followed by the treatment of foliar application with nano potassium + nano phosphorus compared to the other treatments and control. The treatment of the combined effect between nano potassium and nano phosphorus caused a highest values and significant effect on the macro. nutrients, i.e N, P and K of garlic leaves and nutritive values of garlic bulb compared to the other treatments and control. The total weight loss of garlic bulbs stored were reduced gradually by the treatment of potassium + phosphorus fertilizer followed by the treatment of nano potassium + nano phosphorus and recorded the lowest values in weight loss compared the control and other treatments. Conclusively, From these results, it can concluded that nano fertilizer can be compensate the high amounts of mineral fertilizer application which causes environmental pollution. | ||||
| Keywords | ||||
| Garlic; phosphorus & potassium fertilizer; nano phosphorus and potassium | ||||
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