Breeding and Optimized Cultivation of High-yield Peanuts, Puhua 1

Puhua 1 was a new, spring peanut variety bred by crossing between Minghua 2 and Sanyou 71-61. The variety showed the characteristics of high quality, high and stable yield, and broad adaptability. The relationship between its yield and various agronomic practices (e.g., seeding, N, P, K, Ca applications) for Puhua 1 was studied using a quadratic universal rotation combination design. The results showed that the optimal conditions to achieve a yield greater than 4,500 kghm-2 were: (29.850-30.360)104 plantshm-2, N 147.660-152.340 kghm-2, P2O5 78.750-83.280 kghm-2, K2O 173.370-192.150 kghm-2 and CaO 47.325-49.980 kghm-2.