improved variety breeding base.
良种繁育基地
The Strategy and Tactics for Breeding improved Variety of Forest Tree in Gansu
试论甘肃林木良种繁育的战略思想和策略措施
Establishment of Cutting Orchard of Improved Variety for Coastal Protection Forest of Casuarina spp.
沿海防护林木麻黄优良品种采穗圃营建技术的研究。
Fertilizer and water use efficiency of tartary buckwheat can be improved by planting the suitable variety and applying fertilizers rationally.
种植优良品种和合理施肥可提高苦荞麦得水肥利用效率。
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