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作物种质资源农家保护
释义
作物种质资源农家保护
Encyclopedia
农学
作物种质资源农家保护
释
crop germplasm resourceson-farm conservation
作物种质资源农家保护
由当地农民在自家农田和庭园延续种植各种作物品种,在这些品种得到世代流传的同时,也使其不断经历自然选择和人工选择的过程。又称农户保护。
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theory of nature and principle
theory of network
theory of network development
theory of network flow
theory of New Empire
theory of new social defense
theory of non-essentials and fundamentals
theory of non-existent effect
theory of normative behavior
theory of nucleosynthesis
theory of numbers
theory of numerations
theory of nutrient returns
theory of objective attribution
theory of obstructions
theory of oil gas formation
theory of oil-gas formation
theory of ominant structural plane
theory of open and peaceful mind
theory of opera conception
theory of opera imagery
theory of opera real-virtual interplay
theory of operators
theory of optical activity
theory of ordinals
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