Effect of Nanofertilizers on Growth Parameters, Yield and Chemical Constituents of Forage Pearl Millet in Calcareous Soil

Document Type : Original Article

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soil fertility and microbiology, Desert Research Center, Cairo, Egypt

Abstract

Fertilizers play a crucial role in enhancing food production, despite their high costs. To optimize their benefits and reduce nutrient loss, it is essential to apply the correct amounts, sources, and combinations at the appropriate times and using suitable methods. In a study focusing on calcareous soils, two types of Nano-fertilizers artificial and commercial were applied as foliar sprays at varying rates alongside different percentages of NPK fertilizers. The findings revealed that applying 75% of the recommended fertilizer doses, combined with artificial Nano-fertilizers, significantly improved foliage fresh yield, achieving a maximum of 115.5 Mg ha-1. This treatment also resulted in higher concentrations of nitrogen, phosphorus, and potassium, as well as a crude protein content of 16.1%. Additionally, the use of commercial Nano-fertilizers at a rate of 2.5 ml L-1 without mineral fertilizers yielded the highest dry matter (22.8%) and starch content (16.3%). Overall, the study suggests that utilizing 75% of the recommended fertilizer doses along with artificial Nano-fertilizers are an effective strategy for enhancing nutrient efficiency and soil productivity in arid regions.

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Alexandria Science Exchange Journal
Volume 46, Issue 2
APRIL- JUNE
June 2025
Pages 535-554

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