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试验结果表明,绿豆不同生育期植株总氮含量和不同利用期压青增产效果均以摘荚期最高。各生长期的根茬土壤速效氮含量有所增加,速效磷含量则递减。
The results showed that the total nitrogen content of mung bean in different growth stages and the greening effect in different utilization periods were the highest in pod picking stage. The available nitrogen content of stubble soil increased at each growth stage, but the content of available phosphorus decreased.