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设施作物连作障碍
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设施作物连作障碍
Encyclopedia
农学
﹝农业生物环境与能源工程﹞
释
soil sickness in protected vegetable production
设施作物连作障碍
设施生产中,同一作物或近缘作物连续种植以后,即使在正常栽培管理的情况下,也会产生产量降低、品质变劣、病虫害严重、生育状况变差的现象。
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fractional
fractional arithmetic
fractional-bit-shift corrector
fractional Brownian motion
fractional calculus
fractional chain yield
fractional charge
fractional condensation
fractional congruence
fractional crystallization
fractional cultivation
fractional cumulative yield
fractional cut
fractional cutting-plane algorithm
fractional D branes
fractional D-branes
fractional derivative
fractional derivative and integral
fractional differential
fractional differential equation
fractional differential integral equation
fractional differential-integral equation
fractional differential operator
fractional differentiation
fractional digit
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