The aftereffect of fertilization on the yield: N fertilizer had little effect on yield of alfalfa in the second year.
钾肥对第二年苜蓿还是有一定的作用，具有一定的后效。
Conclusion Cotton cellulose has radiation aftereffect, and there is a linear relationship between the logarithm of absorption doses and the total effect.
结论棉纤维素存在辐射后效应，且辐射的总效应与吸收剂量的对数呈线性关系。
Conclusion Cotton cellulose has radiation aftereffect, and there is a linear relationship between the logarithm of absorption doses and the total effect.
结论棉纤维素存在辐射后效应，且辐射的总效应与吸收剂量的对数呈线性关系。
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