Isbn: 9787554230657 (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: June 2025 Publisher: Zhongyuan Farmers Publishing House This book focuses on the current production status of five major crops in Henan Province: wheat. corn. sweet potato. soybean. and rice; the characteristics of soil fertility supply in Henan Province and innovations in fertilizer development; the content and steps of soil testing and formula fertilization; the nutrient requirements of the five major crops; and the principles and technical models of so.…