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Increasing yield stability and input efficiencies with cost-effective mechanization in Nepal.
Alex G Park1, Andrew J McDonald2, Mina Devkota2
1Department of Crop Sciences, University of Illinois at Urbana-Champaign, S-306 Turner Hall, 1102 South Goodwin Avenue, Urbana, IL 61801, USA.
Field Crops Research
|February 12, 2019
Summary
A low-cost, chest-mounted seeder in Nepal improved wheat yields and predictability by enabling precise nitrogen and phosphate application. This simple mechanization offers farmers greater control over inputs and reduces farming risks associated with traditional methods.
Area of Science:
- Agricultural Science
- Agronomy
- Farming Systems
Background:
- Nepal faces declining farm labor and investment, leading to stagnant domestic wheat yields.
- High costs of precision agriculture technologies hinder adoption, despite their potential for improved efficiency.
Purpose of the Study:
- To introduce a low-cost seed and fertilizer applicator suitable for Nepal's semi-mechanized farming systems.
- To assess the impact of simple mechanization on yield efficiency and input-output predictability for farmers.
Main Methods:
- Development and implementation of a chest-mounted seed and fertilizer applicator.
- Comparative analysis of yields and input efficiencies between the new method and traditional hand-application.
Main Results:
- Simple mechanization significantly improved yield efficiencies for nitrogen and phosphate application.
- Increased seed rates positively correlated with seedling density, leading to more predictable yields and profits.
- Hand-applied inputs showed a dissociation with end-of-season yield, increasing farmer risk.
Conclusions:
- Low-cost mechanization offers a viable solution to enhance agricultural productivity in resource-limited settings.
- Precise, mechanized input application can mitigate risks and improve economic outcomes for smallholder farmers.
- This approach bridges the gap between traditional farming and advanced precision agriculture.
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