聚脲甲醛缓释氮肥一次性基施在双季稻上的应用效果

黄巧义, 张木, 黄旭, 唐拴虎, 张发宝, 逄玉万, 易琼, 李苹, 付弘婷

Effect of One-off Application of Poly Urea-Formaldehyde Fertilizer Under Reduced N Rate on Double Cropping Rice

QiaoYi HUANG, Mu ZHANG, Xu HUANG, ShuanHu TANG, FaBao ZHANG, YuWan PANG, Qiong YI, Ping LI, HongTing FU

表4 不同施肥处理对收获期土壤速效氮和全氮含量的影响

Table 4 Effects of different fertilization treatments on soil alkali-hydrolyzable N and total N contents after the harvest of rice

造次 Crop 处理 Treatment 碱解氮 Alkali N(mg?kg-1) 全氮 Total N (g?kg-1) 早稻 Early rice CK 116.61±3.69a 1.52±0.04a CF 130.20±3.66a 1.52±0.04a UF1 131.17±2.44a 1.63±0.02a UF2 129.53±2.31a 1.60±0.02a UF3 122.73±3.77a 1.60±0.02a UF4 124.81±4.12a 1.64±0.04a 晚稻 Late rice CK 124.30±3.50a 1.51±0.05a CF 136.69±3.69a 1.53±.0.03a UF1 136.53±4.29a 1.63±0.03a UF2 136.26±7.53a 1.66±0.06a UF3 136.08±5.46a 1.65±0.04a UF4 129.07±1.48a 1.54±0.06a