The production and process control of specialty fertilizer for tobacco in S-based NPK plant, achieved in Xingyuan Chemical Co. , Ltd, is presented.
介绍湖北宜都星原化工有限责任公司利用硫基氮磷钾装置生产各种规格烟草专用肥的操作和工艺控制。
The analysis to pollution criterion of NPK fertilizer plant shows that the current standards cannot cover all the limitation of pollutant discharges.
对NPK复合肥工厂污染物排放标准的分析表明：现行的有关标准不能涵盖其污染物排放的限制。
Afterwards, wheat plant in the living mulch system had a rapid growth and with significantly NPK absorption.
此后，植体覆盖系统冬小麦生长和NPK吸收都有一个明显的飞跃。
Afterwards, wheat plant in the living mulch system had a rapid growth and with significantly NPK absorption.
此后，植体覆盖系统冬小麦生长和NPK吸收都有一个明显的飞跃。
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