锌与尿素结合对锌有效性及尿素转化的影响

赵丽芳,袁亮,张水勤,赵秉强,林治安,李燕婷

Effects of Zinc Combined with Urea on Zinc Availability and Urea Conversion

ZHAO LiFang,YUAN Liang,ZHANG ShuiQin,ZHAO BingQiang,LIN ZhiAn,LI YanTing

表1 供试肥料类型及性质

Table 1 Variety and property of the test fertilizers

肥料代号 Code of fertilizer 七水硫酸锌添加量 Amount of zinc sulfate heptahydrate (%) 氮含量 Nitrogen content (N, %) 水溶性锌含量 Water-soluble zinc content (Zn2+, %) pH U 0 45.47 / 7.27 U+Zn0.5 0.5 45.91 0.12 6.29 U+Zn5 5 43.90 1.33 5.53 UZn0.5 0.5 45.81 0.12 6.26 UZn5 5 44.79 1.35 5.54