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Types of Intercropping - Agriculture Notes

Intercropping is the process of planting two or more crops close together, either in the same row, bed, or in rows or strips close enough for biological interaction. There are several types of intercropping, including Strip Intercropping, Parallel Cropping, Synergistic Cropping, Multi-storey Cropping, Relay Intercropping, and Alley Cropping. This article will explain to you about the different Types of Intercropping which will be helpful in preparing the Agriculture Syllabus for the UPSC Civil Service exam.

Table of Contents

What is Intercropping?
Types of Intercropping
Conclusion
FAQs
MCQs

What is Intercropping?

Intercropping is a method of increasing agricultural productivity by planting two or more crops simultaneously on a specific plot of land in a specific row pattern.
Small farmers who depend on rain for higher production are more likely to use it.
This procedure has a specific row pattern, such as 1:1 or 1:2, which means that the primary crop is in the first row and the other crops are in the second or third row.
These crops are blended in this technique despite having different nutrient needs. It guarantees the best possible use of the nutrients given.
Additionally, it stops pests and diseases from spreading to every plant involved in a particular crop.

*To know more about the topic, click this link Intercropping

Other Relevant Links
Parallel cropping	Strip intercropping
Multi storey cropping	Synergistic cropping
Alley cropping	Relay intercropping

Types of Intercropping

Strip Intercropping

The term "strip cropping" refers to the practice of cropping different cultures in strips.
To prevent soil erosion, it is a common practice on sloped terrain.
Strip cropping in agriculture also applies to even terrains.
The strips are sufficiently narrow to generate agronomic interactions between neighboring crops.
Strip width is therefore essential to the design and operation of this cropping pattern. The strips are frequently changed from year to year.
Basically, strip cropping agriculture is utilized to either enhance the growth of primary species or improve soil health.

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Parallel Cropping

Parallel cropping is the practice of growing crops that have different natural behaviors but no competition.
An example of parallel cropping is wheat and mustard. After planting wheat, farmers typically broadcast mustard in the same field.
It makes greater use of resources like light, nutrients, and moisture.
The productivity of the system is hampered by inefficient moisture usage and competition between the various root systems of the crops cultivated together.

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Synergistic Cropping

Synergistic cropping is when two crops are grown on a unit area at the same time and produce more as a whole than they would if they were grown separately on a unit area basis.
The concept of synergistic cropping first emerged in the 1980s.
This technique is based on agronomic approaches primarily targeted at improving soil fertility.
As a result, the overall health of the soil-microorganism-plant system is focused, rather than on production alone.

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Multi-storey Cropping

Multi Storey Cropping is the process of cultivation of more than two crops at once on the same plot of land with varying heights.
Examples: coconut, pepper, cocoa, and pineapple.
The crops are cultivated together on the land, utilising land, water, and space in the most effective and inexpensive ways possible.
Plantings having an overstory of trees or shrubs and an understory of specialised or agronomic crops or pastures are referred to as multi-story crops.
There is enough space between trees to allow forage or crops in the understory to receive enough sunlight.
Multi Storey cropping is sometimes known as "Forest Farming."
Native forest tree canopies would be controlled to permit the cultivation of such crops or forage.

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Relay Intercropping

Relay cropping is a type of cropping arrangement in which one crop is seeded into a standing second crop well before the second crop is harvested.
Growing Rice-Cauliflower-Onion-Summer gourds is an example for relay intercropping.
Relay cropping has the potential to resolve a number of conflicts, including inefficient use of available resources, disagreements over sowing time, fertiliser application, and soil degradation.
Relay cropping is a complex set of resource-efficient technologies capable of improving soil quality, increasing net return, increasing land equivalent ratio, and controlling weed and pest infestation.
Relay planting has less risk because it does not require relying just on one crop.
Relay cropping is also known as overlapping cropping.

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Alley Cropping

Alley cropping is one of several practises that deal with trees and crops growing on the same plot of land.
Alley cropping is a method of growing trees or shrubs and agricultural crops in alternate rows.
Trees are frequently pruned to reduce shading of agricultural crops. Alley cropping can help with nutrient cycling and erosion control as well.
Alley cropping can thus be regarded as re-creating a savanna's structure in an agroforestry system with many canopy layers, including an overstory of nut trees, a mid-layer of fruiting small trees and shrubs, and a groundcover of annual crops or perennial grass groundcover.

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Conclusion

Intercropping does not come with any free benefits. Systems with an intercropping call for more management. An intercropping system must boost the farm's total profitability in order to be effective. A reasonably modest area should be used to test out any novel intercropping concepts. This will make it possible to assess whether the advantages outweigh any additional expenditures, labor demands, or yield reductions and whether it fits into the entire management system.

Other Relevant Links
Agriculture Notes	Intercropping
Cropping system	Cropping
Sequential cropping	Cropping intensity
Mixed cropping	Ratoon cropping
Difference between intercropping and mixed cropping	Factors determining cropping pattern in India

FAQs

Question. What is Intercropping in Agriculture?

Answer: Intercropping is the agricultural practice of growing two or more crops simultaneously in the same field. This method is used to optimize space, improve biodiversity, enhance resource utilization, and increase yield. Intercropping can reduce pests, improve soil health, and increase farm profitability.

Question. What are the different types of Intercropping?

Answer: There are several types of intercropping, each suited to specific crops and farming environments:

Row Intercropping: Crops are planted in distinct rows, allowing each crop to grow in a particular row. This method is commonly used with crops that have different growth habits.
Mixed Intercropping: Different crops are planted together without specific rows. This results in a more randomized pattern and is ideal for maximizing land use.
Strip Intercropping: Crops are planted in wide strips, usually of equal width, and can be alternated in a systematic pattern.
Relay Intercropping: One crop is planted after the other has started to mature. It helps to make use of available growing seasons and reduces fallow periods.

Question. What are the benefits of Intercropping?

Answer: The benefits of intercropping include:

Increased crop yield: By making better use of available space and resources, intercropping can increase the total productivity of a piece of land.
Pest and disease control: Certain crop combinations can reduce the spread of pests and diseases, providing natural pest control.
Soil health improvement: Different crops can complement each other by fixing nitrogen or improving soil structure.

Question. What are some examples of successful Intercropping combinations?

Answer:

Maize and Beans: Beans can climb up maize stalks, and the maize provides shade for the beans, improving their growth.
Groundnut and Sorghum: Groundnuts can be grown with sorghum as they do not compete for the same resources and have complementary growth habits.
Wheat and Mustard: Mustard can be sown alongside wheat, benefiting from reduced wind exposure and nutrient sharing.

Question. What are the challenges in Intercropping?

Answer: The challenges include:

Competition for resources: If crops are not well-matched, they may compete for light, water, or nutrients.
Management complexity: Intercropping requires careful planning and management to ensure that the crops complement each other effectively.
Harvesting issues: Different crops may have different growth rates or harvesting times, making it more difficult to manage and harvest them together.

MCQs

Which of the following is a type of intercropping where crops are planted in distinct rows?

A) Mixed intercropping

B) Relay intercropping

C) Row intercropping

D) Strip intercropping

Answer: (C) See the Explanation

Row intercropping involves planting crops in separate rows, allowing each crop to grow in its designated space, often used with crops having different growth patterns.

What is the key advantage of strip intercropping?

A) Better pest control

B) Maximized space utilization

C) Reduced competition for light

D) Simplified irrigation

Answer: (B) See the Explanation

Strip intercropping allows for the efficient use of available space by planting crops in strips of equal width, optimizing land productivity.

Which of the following crops is commonly paired in intercropping for pest control?

A) Rice and Sugarcane

B) Maize and Beans

C) Wheat and Rice

D) Cotton and Groundnut

Answer: (B) See the Explanation

Maize and beans are a common intercropping combination. Beans climb on maize stalks, and the maize offers shade, while also reducing pest pressure.

What is the main benefit of relay intercropping?

A) Maximized resource competition

B) Utilization of multiple growing seasons

C) Reduced soil fertility

D) Simplified weed management

Answer: (B) See the Explanation

Relay intercropping involves planting a second crop while the first one is maturing, making the best use of growing seasons and reducing fallow periods.

Which of the following is a challenge in intercropping systems?

A) Increased crop yield

B) Easier pest control

C) Competition for resources

D) Improved soil health

Answer: (C) See the Explanation

In intercropping, if crops are not well-suited to each other, they may compete for water, light, or nutrients, which can reduce overall productivity.

GS Mains Questions and Model Answer

Q1: Analyze the role of intercropping in improving agricultural sustainability and food security.

Answer: Intercropping plays a significant role in improving agricultural sustainability by enhancing land productivity, reducing soil erosion, and increasing biodiversity. It helps in maximizing the efficient use of available resources, such as water, nutrients, and sunlight, thus reducing the overall environmental impact of farming. By diversifying crops, intercropping also provides a safeguard against crop failure, thereby contributing to food security. Moreover, it can reduce the dependency on synthetic fertilizers and pesticides, making agriculture more eco-friendly and resilient to climate change.

Q2: Discuss how intercropping systems can be used to promote soil health and reduce dependency on chemical fertilizers.

Answer: Intercropping systems can improve soil health by introducing plant species that complement each other. For instance, leguminous crops like beans or peas can be intercropped with cereals like maize or wheat to naturally fix nitrogen in the soil, reducing the need for chemical fertilizers. Additionally, different root structures from intercropped plants help to prevent soil erosion, improve water infiltration, and maintain soil structure. These systems can also reduce the build-up of pests and diseases, further reducing the reliance on chemical pesticides.

Q3: Evaluate the challenges faced by farmers in implementing intercropping systems in developing countries.

Answer: While intercropping offers numerous benefits, its implementation in developing countries faces several challenges. These include limited access to knowledge and training on effective intercropping methods, inadequate infrastructure for proper crop management, and the difficulty of finding suitable crop combinations that do not compete for resources. Additionally, farmers may face economic constraints that limit their ability to invest in new intercropping systems or tools. Furthermore, local agricultural policies and subsidies often favor monocropping, making it harder for farmers to transition to intercropping systems. The risk of reduced yields due to crop incompatibility and the complexity of managing multiple crops can also deter adoption.

Previous Year Questions on Types of Intercropping in Agriculture

1. UPSC CSE 2021

Question: Discuss the potential of intercropping systems in addressing the challenges of climate change and enhancing food security in India.

Answer: This question requires an assessment of how intercropping can be used to mitigate the effects of climate change by improving soil health, conserving water, and reducing crop failure risks. The answer should also discuss how intercropping contributes to food security by diversifying production and making farming more resilient to unpredictable climate patterns.

2. UPSC CSE 2019

Question: Evaluate the role of agroforestry and intercropping in promoting sustainable agricultural practices in India.

Answer: The candidate should evaluate how both agroforestry and intercropping systems help in sustainable farming by conserving resources, improving biodiversity, and providing a diversified income. The answer should explore how these practices can reduce environmental degradation while ensuring food production in a more eco-friendly manner.

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