---
title: "Slash and Burn — AP Human Geography Definition & Exam Guide"
description: "Slash and burn is clearing land by cutting and burning vegetation, the technique behind shifting cultivation in subsistence tropical farming regions on Topic 5.6."
canonical: "https://fiveable.me/ap-hug/key-terms/slash-and-burn"
type: "key-term"
subject: "AP Human Geography"
---

# Slash and Burn — AP Human Geography Definition & Exam Guide

## Definition

Slash and burn is a land-clearing technique in which farmers cut down vegetation and burn it, using the ash as a natural fertilizer; it is the method behind shifting cultivation, an extensive subsistence practice found in tropical agricultural production regions (AP Human Geography Topic 5.6).

## What It Is

Slash and burn is exactly what it sounds like. Farmers cut down (slash) the trees and brush on a plot of land, let it dry, and then burn it. The ash left behind acts as a free, natural fertilizer that makes the thin tropical soil productive for a few years. Once the nutrients run out, farmers abandon the plot and move to a new one, letting the old field regrow naturally. That rotating [pattern](/ap-hug/unit-1/spatial-concepts/study-guide/OwAXsmuGQP2yjp71tEM5 "fv-autolink") is called [shifting cultivation](/ap-hug/key-terms/shifting-cultivation "fv-autolink"), and slash and burn is the technique that makes it work.

On the AP exam, slash and burn sits inside [Topic 5.6](/ap-hug/unit-5/agricultural-production-regions/study-guide/JKrHiraHjz8JNudVR6xC "fv-autolink") (Agricultural Production Regions). It's the classic example of **extensive subsistence agriculture**. Extensive because it uses lots of land with little labor or capital per acre, and subsistence because the food feeds the farmer's family rather than going to market. You'll find it in tropical regions like the Amazon Basin, Sub-Saharan Africa, and Southeast Asia, where land is cheap and abundant but soils are nutrient-poor. That land-cost logic is the same bid-rent reasoning (EK PSO-5.C.2) that explains why intensive farming clusters near cities and extensive farming spreads out where land is cheap.

## Why It Matters

Slash and burn lives in [Unit 5](/ap-hug/unit-5 "fv-autolink") (Agriculture and Rural Land-Use Patterns and Processes) under Topic 5.6 and supports learning objective [AP Human Geography](/ap-hug "fv-autolink") 5.6.A, which asks you to explain how economic forces influence agricultural practices. The CED defines agricultural production regions by whether they're subsistence or commercial (EK PSO-5.C.1) and intensive or extensive based on land costs (EK PSO-5.C.2). Slash and burn checks both boxes as the textbook example of extensive subsistence farming. It also connects agriculture to environmental consequences, since burning tropical forest drives deforestation and carbon emissions, which is a favorite exam angle when questions ask about the environmental effects of agricultural practices.

## Connections

### [Shifting Cultivation (Unit 5)](/ap-hug/key-terms/shifting-cultivation)

Slash and burn is the technique; shifting cultivation is the whole farming system built around it. Farmers slash and burn a plot, farm it until the soil wears out, then shift to a new plot. If a question describes farmers rotating fields in the tropics, it's testing shifting cultivation, and slash and burn is how each new field gets cleared.

### Deforestation (Unit 5)

Slash and burn at small scale is sustainable because abandoned plots regrow. But [population growth](/ap-hug/key-terms/population-growth "fv-autolink") and commercial pressure shorten the fallow period, so forests get burned faster than they can recover. That's why slash and burn shows up in questions about deforestation in places like the Amazon.

### [Bid-Rent Theory (Units 5 & 6)](/ap-hug/key-terms/bid-rent-theory)

Slash and burn only makes economic sense where land is nearly free. [Bid-rent theory](/ap-hug/key-terms/bid-rent-theory "fv-autolink") says cheap land far from markets gets extensive uses, and slash and burn is about as extensive as farming gets. It's the rural, tropical end of the same gradient that puts skyscrapers in the CBD.

### [Climate Change (Unit 5)](/ap-hug/key-terms/climate-change)

Burning vegetation releases stored carbon into the atmosphere, so widespread slash and burn contributes to greenhouse gas emissions. This is a go-to example when the exam asks how [agricultural practices](/ap-hug/unit-3/cultural-landscapes/study-guide/04ci5UfeG5zOvfialbX5 "fv-autolink") affect the environment.

## On the AP Exam

Multiple-choice questions usually test slash and burn through region identification. A stem describes farmers in the tropics clearing forest with fire and farming for a few years, then asks you to name the practice (shifting cultivation) or classify it (extensive subsistence). You should be able to explain why it happens where it does, using land costs and economic forces per LO 5.6.A. No released FRQ has used the phrase verbatim, but slash and burn works well as evidence in free-response questions about subsistence agriculture, deforestation, or the environmental consequences of farming. The key skill is going beyond the definition to the why, meaning cheap abundant land, poor tropical soils, and family-level subsistence needs.

## Slash and Burn vs Shifting Cultivation

These get used interchangeably, but they aren't the same thing. Slash and burn is the clearing method (cut the vegetation, burn it, farm on the ash). Shifting cultivation is the broader system of farming a plot for a few years, abandoning it, and moving on. Shifting cultivation almost always uses slash and burn to clear new plots, but slash and burn describes one step while shifting cultivation describes the whole rotating cycle. On the exam, classify the overall practice as shifting cultivation and name slash and burn as the technique within it.

## Key Takeaways

- Slash and burn means cutting down vegetation and burning it to clear farmland, with the ash serving as natural fertilizer for nutrient-poor tropical soils.
- It is the technique used in shifting cultivation, where farmers abandon plots after a few years and clear new ones, letting old fields regrow.
- The AP classification is extensive subsistence agriculture, meaning lots of land, little labor or capital per acre, and food grown for the family rather than for sale.
- It occurs in tropical regions like the Amazon, Sub-Saharan Africa, and Southeast Asia because land there is cheap and abundant, which matches bid-rent logic about extensive land use.
- At small scale it can be sustainable, but population growth and shortened fallow periods turn it into a driver of deforestation and carbon emissions.
- It supports LO 5.6.A by showing how economic forces, especially land costs, shape which agricultural practices appear in which regions.

## FAQs

### What is slash and burn agriculture in AP Human Geography?

It's a land-clearing technique where farmers cut down vegetation, burn it, and farm on the ash-fertilized soil for a few years before moving on. On the AP exam it's the classic example of extensive subsistence agriculture in tropical regions, covered in Topic 5.6.

### Is slash and burn the same as shifting cultivation?

Not exactly. Slash and burn is the clearing technique, while shifting cultivation is the full farming system of rotating plots that uses slash and burn. Think of slash and burn as one step inside shifting cultivation.

### Is slash and burn always bad for the environment?

No, not at small scale. With long fallow periods, abandoned plots regrow and the system is sustainable. It becomes destructive when population pressure or commercial expansion shortens the fallow cycle, causing permanent deforestation and carbon emissions.

### Where is slash and burn agriculture practiced?

Mainly in tropical regions with cheap, abundant land and nutrient-poor soils, including the Amazon Basin in South America, Sub-Saharan Africa, and parts of Southeast Asia. The location pattern is exactly what bid-rent theory predicts for extensive farming.

### Is slash and burn intensive or extensive agriculture?

Extensive. It uses a lot of land with very little labor or capital per acre, which is the opposite of intensive practices like commercial gardening or wet rice farming. It's also subsistence, since the food feeds the farmer's household rather than a market.

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