以4个中晚熟水稻品种为材料，研究不同时期不同氮肥管理措施下植株氮素含量与氮肥用量及LCC值之间的变化关系。
In this paper, we analyzed the relationship between the nitrogen content and LCC value of rice plant in different periods under different management for 4 kinds of middle-maturing paddy rice.
选用早、晚熟萝卜品种，混剂挑治中熟萝卜品种的综合防治技术可以有效控制萝卜蚜的为害。
An integrated management technique, choosing early and late ripening varieties and spraying the mixture on middle ripening varieties could control its damage effectively.
晚熟也有好处——可以从其他人的错误中吸取教训。
Being a "late bloomer" can be a good thing — you can learn from everyone else's mistakes.
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