摘要
钙质紫色土稻麦轮作施锌5～10ppm可满足两个轮作周期的锌素营养,使第三季小麦增产4～6%,第四季水稻增产9～11%,表明钙质紫色土稻麦轮作施锌有明显的后效。
The result of later effect of zinc-fertilizer on rice and wheat rotation the calcareous purple soil indicates that the application of 5-10 ppm Zn can meet the need of rice and wheat at least in two cycles of the rotation, which gives an increase gran yield over the control by 4—6% in third wheat-crop and 9-11% in fourth rice crop.
出处
《西南农业大学学报（自然科学版）》
CSCD
1990年第6期565-567,共3页
Journal of Southwest Agricultural University
