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施肥
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施肥
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fertilization
施肥
人为补充作物生长发育所需营养物质的农业生产活动。通过合理施用各种有机和无机肥料为作物全生育期提供充足和配比适宜的各种大、中、微量营养元素。是保障作物优质高产的重要技术措施之一。
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longitudinal phonon
longitudinal plasma turbulence
longitudinal plasma wave
longitudinal pressure
longitudinal profile of metro line
longitudinal projection
longitudinal propagation
longitudinal relaxation
longitudinal relaxation time
longitudinal research on education
longitudinal resolution
longitudinal resolution of ultrasound imaging
longitudinal resonance
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longitudinal scan
longitudinal seam submerged-arc welded steel pipe
longitudinal section
Longitudinal single case
longitudinal spherical aberration
longitudinal (spin-lattice) relaxation time
longitudinal [spin-lattice] relaxation time
longitudinal spin lattice relaxation time
longitudinal spin-lattice relaxation time
longitudinal strength
longitudinal study
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