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3. Comparative analysis of pesticide action plans in five European countries
4. Bauer S. Mugaas B. &Pederson B.(2018).Seeding and sodding home lawns. University of Minnesota Extension.https://extension.umn.edu/lawn‐care/seeding‐and‐sodding‐home‐lawns#:~:text=The%20best%20time%20to%20seed of%20the%20seed%20to%20show