GMOs are leading to loss of original/ native plants because of cross breeding effecting genetic diversity

Farmers use it because exact amount of nutrients for plants need can be met (% phosphorous/nitrogen/potassium)

Trenches dug between crop rows in a field, results in salinization, least effective method, 35% of water evaporates

Used heavily in underdeveloped countries, causes erosion and soil degradation by temporary water logging:

Use of this method of control requires concentrations to be increased often because pest develop resistance