UPSC MainsANI-HUSB-VETER-SCIENCE-PAPER-I202110 Marks150 Words
हिंदी में पढ़ें
Q21.

Mention the pattern of crop-rotation for supply of green fodder throughout the year.

How to Approach

This question requires a practical understanding of crop rotation strategies for fodder supply. The approach should be to first define crop rotation and its importance in animal husbandry. Then, outline a seasonal pattern of crop rotation suitable for diverse agro-climatic zones, mentioning specific crops. Finally, briefly discuss the benefits and challenges of such a system. A tabular format would be useful to represent the rotation cycle clearly.

Model Answer

0 min read

Introduction

Green fodder is crucial for livestock nutrition, impacting milk production, animal health, and overall agricultural productivity. However, ensuring a year-round supply presents a significant challenge, especially considering seasonal variations. Crop rotation, the practice of alternating crops sequentially on the same field, is a key strategy to address this. It improves soil health, reduces pest and disease incidence, and allows for continuous fodder availability. The National Mission on Sustainable Agriculture (NMSA) recognizes the importance of promoting crop diversification and sustainable agricultural practices, including crop rotation, for enhanced livestock feed security.

Understanding Crop Rotation and its Importance

Crop rotation is a systematic approach to managing farmland by planting different crops in a planned sequence. The primary goal is to maintain soil fertility, control pests and diseases, and improve overall crop yields. In the context of fodder supply, it ensures a consistent supply of nutritious green fodder throughout the year, minimizing reliance on external feed sources and reducing costs for farmers.

Seasonal Crop Rotation Pattern for Fodder Supply

The ideal crop rotation pattern depends on the agro-climatic zone and the availability of irrigation. Here’s a generalized pattern suitable for many regions, with variations possible:

Season Crop Benefits
Kharif (June-October) Maize/Sorghum/Millets Fast-growing, provides bulk fodder; improves soil structure.
Rabi (October-April) Berseem/Oats/Ryegrass High-quality fodder, rich in protein; improves soil organic matter.
Summer (April-June) Cowpea/Mungbean/Sesame Leguminous crop, fixes nitrogen in the soil; provides supplementary fodder.
Fallow/Rest Period Incorporation of green manure crops (e.g., sunn hemp, guar) Restores soil fertility, suppresses weeds.

Regional Variations and Crop Selection

Different regions may require adjustments to this pattern:

  • North India: Inclusion of lucerne (Alfalfa) for year-round fodder.
  • South India: Focus on crops like Napier grass, hybrid maize, and fodder sorghum.
  • Dryland areas: Drought-resistant varieties of fodder crops like bajra and moth bean are crucial.

Benefits and Challenges

Benefits:

  • Consistent fodder supply.
  • Improved soil health and fertility.
  • Reduced dependence on expensive commercial feeds.
  • Reduced pest and disease incidence.

Challenges:

  • Requires careful planning and coordination.
  • Initial investment in seeds and inputs.
  • Farmer education and awareness are essential.

Government Initiatives

The Rashtriya Krishi Vikas Yojana (RKVY) provides support for promoting crop diversification and sustainable agricultural practices, including crop rotation for fodder production. The National Livestock Mission also supports improved animal feed and fodder availability.

Conclusion

In conclusion, a well-planned crop rotation system is vital for ensuring a continuous supply of green fodder and promoting sustainable animal husbandry practices. Adapting the rotation pattern to regional agro-climatic conditions and farmer needs is crucial for its success. Continued government support, farmer education, and research into improved fodder varieties are essential to enhance livestock feed security and improve the livelihoods of farmers.

Answer Length

This is a comprehensive model answer for learning purposes and may exceed the word limit. In the exam, always adhere to the prescribed word count.

Additional Resources

Key Definitions

Green Manure
Green manure refers to crops grown specifically to be incorporated into the soil to improve its fertility and structure. They are typically leguminous plants that fix nitrogen.
Agro-climatic Zone
An agro-climatic zone is a defined area with similar rainfall, temperature, soil type, and topography, influencing crop suitability and agricultural practices.

Key Statistics

India has over 303 million livestock, requiring a substantial and consistent supply of fodder. According to the Department of Animal Husbandry and Dairying, the demand for fodder is significantly higher than the current availability.

Source: Department of Animal Husbandry and Dairying, Government of India (Knowledge Cutoff)

The per capita availability of green fodder in India is estimated to be around 2.6 kg per day, significantly lower than the recommended level of 7 kg per day for maintaining optimal livestock health and productivity.

Source: National Fodder Statistics, 2018 (Knowledge Cutoff)

Examples

Dairy Cooperative in Punjab

A dairy cooperative in Punjab successfully implemented a crop rotation system involving maize, berseem, and cowpea. This reduced their reliance on external feed by 40% and improved milk yield per animal.

Frequently Asked Questions

What is the difference between crop rotation and mixed cropping?

Crop rotation involves a planned sequence of crops over time, while mixed cropping involves growing multiple crops simultaneously in the same field. Crop rotation focuses on soil health and long-term sustainability, whereas mixed cropping aims for immediate benefits like risk mitigation and nutrient utilization.

Topics Covered

Animal HusbandryAgricultureForageCrop RotationFodder