Table 3 Fertilization rates of N, P, K, types of herbicide and pesticide, and the number of introducing frogs in three cultivation patterns.

From: Variations in nutrient and trace element composition of rice in an organic rice-frog coculture system

Cultivation patterns

Herbicides

Pesticides

Frog ×104

CR

Pretilachlor + Paraquat

Abamectin + Triazophos

—

ORF

—

—

2.5

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