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采用田间小区试验研究了施锌对黑玉米锌素营养的影响。结果表明 ,施锌能够显著提高黑玉米籽粒产量 ,适宜的锌肥用量为每公顷 1 5kgZnSO4·7H2 O ,在此锌水平下 ,其籽粒中锌的累积吸收量较高
The field plot experiment was conducted to study the effect of zinc application on the zinc nutrition of black corn. The results showed that Zn application could significantly increase the grain yield of black maize. The suitable zinc fertilizer was 1 5 kg ZnSO4 · 7H2O per hectare. Under the zinc level, the zinc uptake by grain was higher