The strategies of forward management of seedorchard and advanced development were discussed.
并探讨了种子园相应的经营策略。
2
The first grade forecast of seed crop in 1990 was also made for Shandou seedOrchard 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。
3
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 seedorchard.