NATIQ JAFAR ALI AL-KHAZALI1 AND MOHAMMAD MIRZAEI HEYDARI2*
1- MSc graduated, Department of Production Engineering and Plant Genetics, faculty of Agriculture and Natural Resources, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran.
2- Department of Pro
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NATIQ JAFAR ALI AL-KHAZALI1 AND MOHAMMAD MIRZAEI HEYDARI2*
1- MSc graduated, Department of Production Engineering and Plant Genetics, faculty of Agriculture and Natural Resources, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran.
2- Department of Production Engineering and Plant Genetics, Faculty of Agriculture and Natural Resources, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran.
* Corresponding author. E-mail address: mirzaeiheydari@yahoo.com
Received: 5 September 2023 Accepted: 10 Jounary 2024
ABSTRACT
The present study was conducted in the agricultural year of 2022-2023 in the climatic conditions of Khorramabad city. The experiment was conducted as a basic design of randomized complete blocks with 3 replications. The treatments include N1: nano-nitrogen fertilizer, according to the soil test result and fertilizer recommendation, N2: nano-nitrogen fertilizer, according to the twice fertilizer recommendation, N3: nano-nitrogen fertilizer, half the fertilizer recommendation, N4: fertilizer Normal nitrogen chemical fertilizer with a concentration (90 Kg ha-1) and according to Cody's recommendation, N5: Normal nitrogen chemical fertilizer with a concentration (180 Kg ha-1) double the recommended N6 fertilizer: Normal nitrogen chemical fertilizer with a concentration (45 Kg ha-1) half of the recommendation Fertilizer, N7: combination of nitrogen fertilizer (half of nano nitrogen + half of normal nitrogen chemical fertilizer), control: no fertilizer. The results showed that the highest seed yield in N3, was 5767 Kg ha-1, and the lowest yield was 3383 Kg ha-1 in the control. The highest biological yield was obtained in N5 amount of 18632 Kg ha-1 and the lowest amount was obtained in the control of 10957 Kg ha-1. On the other hand, the increase in nitrogen fertilizer plays an important role in the growth of rice. Increasing the supply of nitrogen through fertilizer has improved the process of photosynthesis, and the absorption of nutrients, and as a result, increased the quantity and quality of yield. In general, the combination or use of nitrogen fertilizers and nitrogen nano-fertilizers in rice cultivation has led to improved growth, increased production, and improved product quality.
Keywords: Plant height, Rice, Nitrogen, Nano fertilizer, Growth, Grain yield.
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