Ca absorption and tipburn of lettuce were studied under different application of n, k, ca, sprinkler irrigation and border irrigation in open field.
在露地栽培条件下,研究了不同氮、钾、钙水平处理以及喷灌、畦灌对生菜钙吸收和干烧心的影响。
There were significant negative correlations between nitrate content and total n, protein n, total p, protein p, protein K of lettuce leaf.
莴笋叶片硝酸盐含量与全氮、蛋白氮、全磷、蛋白磷和蛋白钾含量呈极显著负相关。
The effect of N forms and NO-3-N/NH+4-N ratio on iron nutrition in hydroponically grown lettuce were investigated.
研究了硝态氮与氨态氮及其不同配比对水培生菜铁素营养的影响。
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