The strategies of forward management of seed orchard and advanced development were discussed.
并探讨了种子园相应的经营策略。
The first grade forecast of seed crop in 1990 was also made for Shandou seed Orchard of Chinese fir.
本文还对山斗杉木种子园1990年的产量年景作了第一级预报。
The mathematical model is established on the basis of the relation between the number and the production of male and female flowers of parents in seed orchard.
根据种子园亲本数目与雌、雄球花产量的关系，建立数学模型，提出了一种评价种子园各亲本配子贡献的数量方法——平衡指数法。
This paper is the summary of research on establishment techniques and relevant aspects of Pinus yunnanensis clonal seed orchard which have been done for 24 years.
本文是24年来开展云南松无性系种子园营建技术及其有关方面研究的总结。
This paper is the summary of research on establishment techniques and relevant aspects of Pinus yunnanensis clonal seed orchard which have been done for 24 years.
本文是24年来开展云南松无性系种子园营建技术及其有关方面研究的总结。
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