Study on effect of drench fulvic fertilizer to paddy seedling bed;

Dietribution and control of weeds in tabacco seedbeds;

This paper briefly introduces the experience of Scotch pine container cultivation from aspects of site preparation method of seedbed, seedling transportation and selection and farm management.

In covering greenhouse,the same height lights were hung parallelly on seedbed,and the seedbed was separately covered by a reflect light plastics,a blue plastics or uncovering to determine the light intensity and to study the light intensity distribution regularity and the effect of increased light on the seedbed.