Sources of Agricultural Productivity
Some sources of agricultural productivity are:
- Mechanization
- High yield varieties, which were the basis of the Green revolution
- Fertilizers: Primary plant nutrients: nitrogen, phosphorus and potassium and secondary nutrients nutrients such as sulfur, zinc, copper, manganese, calcium, magnesium and molybdenum on deficient soil
- Liming of acid soils to raise pH and to provide calcium and magnesium
- Irrigation
- Herbicides
- Pesticides
- Increased plant density
- Animal feed made more digestible by processing
- Keeping animals indoors in cold weather
See: Productivity improving technologies (historical) Section: 4: Mechanized agriculture, Section 7: Scientific agriculture
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