seedling management

The purpose of this research was promote seeds germination and improved seed germinate condition and cultivation management at seedling stage, which provided the theory basis for temperature-resistant disaster and physiology and biochemistry breeding.

为促进种子提早萌发，提高发芽率，改善玉米种子出苗状况及苗期的栽培管理提供理论依据；为研究玉米抗温害和生理生化育种提供理论依据。

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The characteristics and control techniques of plastic canopy microenvironment were found out and grasped, the seedling raising microenvironment management was strengthened, the seedling raising time limit was shortened, and the seedling yield and quality were raised to realize the industrial seedling raising.

摘要了解和掌握塑料大棚微环境特点及调控技术，加强育苗微环境管理，缩短育苗期限，提高苗木产量质量，以实现工厂化育苗。

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This paper states the biology characteristics, sexual and asexual breeding method, management measure in raise seedling of Pinus sylvestris var.

论述了钻天松的来历、生物特征、有性和无性的繁育方法及育苗时的管理措施。

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Reviews the current literatures on seedling growing, forest culture , ecology, management and integrated utilization Abies species.

本文综述了冷杉属在育苗 、 造林 、 生态 、 经营及综合利用诸方面的研究现状.

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