A field study from Nepal explores how Nano-DAP could improve mungbean productivity while reducing fertilizer inputs.

As agriculture seeks more sustainable ways to increase productivity, improving nutrient use efficiency has become one of the key challenges. Conventional fertilizers often suffer from substantial nutrient losses, increasing both production costs and environmental impacts.

In a study published in Advances in Horticultural Science, Gautam and colleagues evaluated nine different nutrient management strategies for mungbean (Vigna radiata), comparing conventional fertilization, farmyard manure, biofertilizers, integrated nutrient management and two nano-fertilizer formulations under field conditions in eastern Nepal.

The results identified foliar application of Nano-DAP as the best-performing treatment.

Compared with the other nutrient management strategies tested, Nano-DAP produced the highest grain yield (2,030 kg ha⁻¹), the greatest number of pods per plant, the highest straw biomass and the best economic return, suggesting that nano-enabled fertilization may offer a promising strategy for improving both productivity and profitability.

The study goes beyond a simple comparison of fertilizers. By combining agronomic measurements with regression analysis, the authors identified the traits most strongly associated with final yield. Pod number per plant emerged as the strongest predictor, followed by seed weight and straw biomass, providing useful indicators for future breeding and crop management studies.

Another strength of the work is its integrated perspective. Rather than evaluating yield alone, the authors also considered production costs and benefit-cost ratios, highlighting the practical implications of adopting innovative fertilization strategies under real farming conditions.

Although conducted on mungbean, the findings contribute to the broader discussion on sustainable nutrient management and the growing role of nano-enabled technologies in agriculture. Further validation across different crops and environments will help determine how widely these approaches can be adopted.

Gautam T., Shrestha S.R., Gyawali C. (2026)
Growth and reproductive attributes of Mungbean (Vigna radiata L.) under organic and synthetic fertilization in Eastern Nepal.
Advances in Horticultural Science 40(2):127-138.
https://doi.org/10.36253/ahsc-17906