苗木 是具有根系和苗干的树苗。凡在苗圃中培育的树苗不论年龄大小,在未出圃之前,都称苗木。苗木种类:实生苗、营养繁殖苗、移植苗、留床苗。苗木还可以按照乔灌木分类,一般在北方乔木苗比较多,南方灌木比较多,这主要是由于生长气候所引起的。
Nutrition is the basic of growth for seedling.
养分供给是苗木生长发育的物质基础,是苗木施肥的理论基础。
参考来源 - 油松、侧柏、樟子松容器苗配方施肥及其营养诊断的研究In this paper, the experiments have been conducted about occurrence and control techniques for Coccoiol on garden plant and flower in the city of Anyang, Henan province. Investigation, identification and selection of insecticides have been done since 2003.
本文对安阳市苗木花卉介壳虫发生规律和防治技术进行研究和探讨。
参考来源 - 安阳市苗木花卉介壳虫发生规律和防治技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
把所有的苗木全部作为下一代种群。
Consider the entire production of seedlings as the next population.
我们采用的是世界上最先进的苗木培育技术。
We have adopted is the world's most advanced technology to cultivate seedlings.
本文论述了泰来县杨树苗木主要害虫种类,并提出了防治对策。
This article discusses kind of pests of piplar seedlings in Tailai county and puts forward control measures .
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