用seed orchard造句子，“seed orchard”造句

The main function of a seed orchard is to produce seed of improved genetic quality on a regular and sustained basis.

The growth of all the progenies from the clones in the seed orchard have exceeded those from their plus trees in plantations,having an average gain of 9.1%(4.7%~14.1%) for height and 14.5%(9.9%~23%) for DBH.

Gibbenellic acid is now applied as a standard seed orchard treatment in many Japanese orchards.

Most seed orchard theory is based on the assumption that panmixis will occur and that selfing will not be a serious problem.

Analysis on the seed effect in heavy thinning of Larix principis-rupprechtii seed orchard

Investigation on the timber tree period of the first generation fir seed orchard progeny forest in the Paiya Mountain Forest Farm

New and more sophisticated methods of physiological control should be available to the seed orchard manager.

Mammals harm the seed orchard everywhere.

The restraints and strategy on construction of forest seed orchard in Jilin Province