Study on effect of drench fulvic fertilizer to paddy seedling bed;
黄腐酸水稻苗床灌溉肥的应用试验效果研究
Dietribution and control of weeds in tabacco seedbeds;
烟草苗床杂草分布与防治
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.
本文从苗床的整地方法、装袋土的配比、苗木运输及选择、田间管理等几方面 ,简要介绍了樟子松容器育苗的经验。
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.
在放帘后的温室内 ,日光灯在苗床上同一高度平行悬挂 ,用反光膜、蓝膜和无覆盖进行三种不同的覆盖处理 ,测定灯下与灯间下各点的光强 ,研究各处理灯下与灯间下光强分布规律和对苗床上的增光效果。
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