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Balanced Crop Nutrition：Fertilizing for Crop and Food Quality
Potassium nutrient ratio negative balance balanced fertilization
2009/1/8
Globally the ratio of N:P2O5:K2O changed from 2.5:1.3:1 in the 1980s to 3.6:1.4:1 in 2002 as N consumption outstripped that of K. Regardless of their decreased nutrient consumption, developed countrie...
