【摘要】 在沙壤土上进行中稻氮、磷、钾3414肥料效应试验,结果表明:在该试验地条件下,中稻每667 m2最高产量施肥量为尿素23.5 kg、钙镁磷肥40.8 kg、氯化钾7.3 kg,产量为518.7 kg。更多还原

【Abstract】 A test of 3414 fertilizer efficiency of N,P and K on middle season rice was carried out in sandy loam.The results showed that,the application rate for maximum yield were 23.5 kg /667 m2(352.5 kg/hm2) urea,40.8 kg/667 m2(612 kg / hm2) fused calcium-magnesium phosphate and 7.3 kg/667 m2(109.5 kg/hm2) KCL and the output was 518.7 kg/667 m2(7780.5 kg/hm2) under this field condition.更多还原