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我省水稻施用钾肥增产效果有逐步提高的趋势。五十年代至六十年代初,钾肥对水稻几乎没有什么增产效果;七十年代初进行的93个早、晚稻钾肥肥效试验表明,施钾区比不施钾区平均增产5.9％,每斤氧化钾(K_2O)
The yield increase effect of rice in our province rice has gradually increased. From the 1950s to the early 1960s, there was almost no yield increase effect of potash on rice; 93 early and late rice potash fertilizer efficiency tests conducted in the early 1970s showed that the yield of potash increased by 5.9% Potassium (K_2O)