fertilizers
It is impossible to know who the first farmer to grow organic potatoes was. While more farmers grow inorganically now, before the development of synthetic fertilizers and pesticides, all farmers grew organically.
Irrigation.
Farmers use soluble fertilizers because they dissolve easily in water, making it convenient to apply directly to plants through irrigation systems or foliar sprays. This allows for quicker absorption by plant roots, ensuring that the nutrients are readily available for plant uptake. Additionally, soluble fertilizers can be more easily customized to meet the specific needs of different crops at various growth stages.
the affect of fertilizers on the resources is that our farmers use fertilizers in order to maintain the fertility of soil except organic fertilizers
Ground manure
Farmers can add minerals to soil by applying fertilizers that contain the necessary minerals. They can also rotate crops to increase mineral availability in the soil. Additionally, organic matter decomposition can release minerals into the soil.
M. H. S. Dayaratne has written: 'A review of alternative strategies for improving farmer-managed irrigation systems in Sri Lanka' -- subject(s): Citizen participation, Farmers, Irrigation, Management
This is called irrigation - specifically it is "surface irrigation".
Ammonia
Irrigation
Irrigation