Agroforestry

Indian Economy glossary

Topic: Environment and Sustainable Development · NCERT: Beyond NCERT

Meaning

Agroforestry means growing trees or shrubs on the same piece of land as crops, livestock or both, on purpose, so that farming and trees help each other.

It matters because one plot of land gives three gains together. The farmer gets more income from timber, fruit, fodder and fuelwood. The soil gets healthier. The trees store carbon from the air, which helps fight climate change.

Explanation

How it works

  • Trees and crops share the land. Deep tree roots and shallow crop roots take water and nutrients from different soil layers, so they compete less.
  • Trees protect the soil:
  • Fallen leaves rot and add organic matter (natural plant material) to the soil.
  • Roots hold the soil together, so there is less soil erosion (topsoil washed or blown away).

  • Trees block strong wind and give shade, so the soil keeps its moisture longer.

  • Trees store carbon:

  • Trees take in carbon dioxide as they grow.
  • The carbon stays locked in the wood, roots and soil.
  • This is called carbon sequestration (capturing carbon and storing it for a long time).

Main types

  • Agri-silviculture: trees + crops. Example: poplar trees along wheat fields.
  • Silvo-pasture: trees + grass or pasture for animals. The trees also give fodder (animal feed).
  • Agro-silvo-pasture: trees + crops + livestock, all on one farm.
  • Common layouts:
  • Boundary planting: trees along the edges of the field.
  • Alley cropping: crops grown in the gaps between rows of trees.
  • Home gardens: many fruit trees, vegetables and animals around the house.

Why it spreads, and why it doesn't

  • Pushes it up:
  • Risk cover: if the crop fails in a bad season, the farmer can still sell tree products.
  • Lower input costs: leaf litter adds nutrients, so the farmer needs less chemical fertiliser.

  • Carbon income: farmers may earn carbon credits (certificates that can be sold for storing carbon) under carbon farming.

  • Holds it back:

  • Long wait: trees can take years to give timber income.
  • Competition: too much shade or root spread can lower crop yields.
  • Rules and markets: permits to cut and transport trees, and weak timber markets, put farmers off.

In India

  • National Agroforestry Policy (2014): India's policy was the world's first national agroforestry policy.
  • The traditional base:
  • NCERT says Indians saw themselves as "a component of the environment and not its controller".

  • Mixed farming systems with trees are part of this old way of living with nature.

  • Part of climate-smart farming:

  • Climate-Smart Agriculture (CSA) is an FAO idea with three aims: higher productivity, resilience (the ability to cope with climate shocks) and lower emissions.
  • Agroforestry meets all three aims at once.

  • India's CSA programmes are NICRA (National Innovations in Climate Resilient Agriculture, run by ICAR, started in 2011) and NMSA (National Mission for Sustainable Agriculture).

  • Link to carbon farming: carbon farming stores carbon in soil and trees, and farmers can earn carbon credits for it. Agroforestry is one of the main ways to do this.

  • Climate goals: agroforestry supports India's NDC (Nationally Determined Contribution, India's climate promise under the Paris Agreement), SDG 13 (Climate Action) and SDG 15 (Life on Land).

Don't confuse with

  • Social forestry: trees are planted on public or community land (roadsides, village commons). Agroforestry happens on the farmer's own land and grows trees together with crops or livestock.
  • Afforestation: turns land that had no forest into forest. In agroforestry, the land stays a farm.
  • Mixed cropping: two or more crops are grown together, with no trees. Agroforestry must include woody plants (trees or shrubs).
  • Carbon farming: this is the goal, storing carbon in soil and trees to earn credits. Agroforestry is one method used to reach that goal.

Prelims Hooks

  • India's National Agroforestry Policy (2014) was the world's first national agroforestry policy.
  • Agroforestry has three gains: farm income, soil health and carbon sequestration.
  • Types: agri-silviculture (trees + crops), silvo-pasture (trees + pasture/livestock), agro-silvo-pasture (all three). A common trap is to match these names wrongly.
  • Climate-Smart Agriculture is an FAO concept with three aims: productivity, resilience and lower emissions. It is not a UNEP or IPCC concept.
  • NICRA was launched by ICAR in 2011. It is India's main climate-resilient farming research programme.
  • Trap: agroforestry keeps land under farming. It is not a way to convert farmland into forest.

Mains Points

  • Doubling farm income and managing risk:
  • Trees give a second income that does not depend on one crop season.
  • Less spending on chemical inputs lowers costs.

  • But the long wait for timber income, rules on cutting and moving trees, and thin timber markets hold back adoption. Easier rules and assured buyers would help.

  • Climate and land health:

  • Agroforestry stores carbon and supports India's NDC, SDG 13 and SDG 15.
  • It sits inside climate-smart farming efforts such as NICRA (2011) and NMSA.

  • Paying farmers through carbon credits would reward them for the public good they create.

  • Fixing Green Revolution damage:

  • Growing only one crop with heavy chemicals left soil hard and groundwater low.
  • Agroforestry, along with biocomposting, IPM and natural farming, brings back organic matter and biodiversity on the farm, without taking land away from food production.

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