In order to meet the modernization industrial seeding for vegetables and the development need of many automatically equipments,a directional precision seeding mechanism for big seeds,making the long axis direction of pumpkins keep in consistent,has been designed,providing the protection for the cotyledons direction of the entire seedlings keep in consistent.

In genus Pinus,there are approximately 110 species which can be classified into two groups according to the modes of their seed dispersal,i.

To expedite the recovery of secondary forests on such abandoned fields, the seed bank needs to be supplemented by direct seeding, enrichment planting of desired species and installing artificial perches for facilitating seed dispersal.

hunanensis crown,and to help the seed dispersal by rejecting the drupes stone after ingestion.

Effects of enclosure protection and seed burial on direct seeding of nut-bearing trees;

An experiment of cultivating seedlings Cinnamomum camphora was conducted by the method of direct seeding and nursery seedling transplant with the method.