broad leaf的例句大全

Change of Vegetation Species of Artificial Mixed Forests of Chinese fir and Broad-leaf Trees Before and After Clear Cutting

杉阔混交人工林皆伐前后植物种类组成变化

Study on C, N, P Content in Leaf of Evergreen and Deciduous Trees in Evergreen Broad-leaved Forest at E'mei Mountain

峨眉山常绿阔叶林常绿和落叶物种叶片C、N、P研究

Study on Eradicating Technology to Broad-leaf Weed in Turf

草坪阔叶杂草的防除技术研究

Control of bean leaf roll virus in broad bean with insecticides

蚕豆黄化卷叶病的药剂防治

Study on Selecting and Evaluation of Excellent Natively Broad-leafed Trees in Fujian and Cultural Patterns

福建优良乡土阔叶树种选择评价与栽培模式研究

The result showed that higher density of highland-barley show visible effect in controlling the quantity and fresh weight of broad weeds, topdressing have no relation to the control effect of broad-leaf weeds.

结果表明：高密度作物对田间阔叶杂草的株数和鲜重有明鲜的抑制作用，追肥与阔叶杂草防效无关。

Researches on Near Natural Forest Management Techniques of Retrograded Natural Evergreen Broad-leaf Forests(ⅰ)

退化天然常绿阔叶林近自然林经营技术研究（一）