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研究结果表明,在中上肥力黑土上,掖单13吸收土壤钾和肥料钾明显高于丹玉13.吸收肥料N和P2O5持续时间较丹玉13长,吸收肥料钾的高峰期为拔节始期到拔节盛期。
The results showed that in the middle and upper fertile black soil, Yedan 13 absorbed more potassium and fertilizer potassium than Dan Yu 13. Absorption of fertilizer N and P2O5 longer duration than Dan Yu 13, the peak of absorption of fertilizer potassium for the initial stage of jointing to jointing Sheng period.