Developing analytical skills in Agriculture Optional can greatly enhance your understanding and performance in this subject. Here are some books and resources that can help you in this regard:

1. "Agricultural Economics" by R. S. Sharma:
- This book provides a comprehensive understanding of the economic aspects of agriculture.
- It covers topics like farm management, agricultural marketing, agricultural finance, and agricultural policy.
- It will help you develop analytical skills by analyzing the economic principles and their application in the field of agriculture.

2. "Introduction to Agricultural Engineering Technology" by Harry Field:
- This book focuses on the technical aspects of agriculture and provides insights into the engineering principles applied in agricultural practices.
- It covers topics like farm machinery, soil and water management, irrigation systems, and post-harvest technology.
- By studying this book, you will be able to analyze and evaluate the technological advancements in agriculture and their impact on productivity.

3. "Principles of Agronomy" by Yellamanda Reddy:
- This book is a comprehensive guide to agronomy, which deals with the principles and practices of crop production.
- It covers topics like crop physiology, soil science, weed management, crop rotation, and sustainable agriculture.
- By studying this book, you will develop analytical skills by understanding the scientific principles behind crop production and analyzing the factors affecting crop yield.

4. "Agricultural Extension: A Step Beyond the Farmer's Field" by V. S. Prabhu:
- This book focuses on the role of agricultural extension in disseminating agricultural information and technology to farmers.
- It covers topics like extension methods, communication techniques, and farmer education.
- By studying this book, you will develop analytical skills by analyzing the effectiveness of extension strategies and evaluating their impact on farmers' adoption of new technologies.

5. Online resources:
- EduRev (www.edurev.in) provides a wide range of study materials, notes, and practice questions for Agriculture Optional.
- It offers video lectures, quizzes, and discussion forums to enhance your analytical skills and provide a platform for collaborative learning.

In conclusion, these books and online resources will help you develop analytical skills in Agriculture Optional by providing in-depth knowledge and understanding of various aspects of agriculture. They will enable you to analyze and evaluate different agricultural practices, policies, and technologies, enhancing your performance in this subject.