You can refer book for Agriculture by Indian Author.
Book Name-Fundamental Of Agriculture Vol. 1
Author Name-by Arun Katyayan
Price-Rs.280 (approximately)
Link : http://www.amazon.in/Fundamental-Agriculture-Vol-Arun-Katyayan/dp/8186099700/ref=lp_4149709031_1_3?s=books&ie=UTF8&qid=1493624867&sr=1-3