杂草种类较多的科依次为禾本科、莎草科、菊科、玄参科、泽泻科、千屈菜科等。
The most weed species were Gramineae, Cyperaceae, Compositae, Scrophulariaceae, Alismataceae and Lythraceae.
高寒草甸莎草科草地的土壤水分和营养决定着草地质量及其生产能力。
The quality and productivity of sedge pasture in the alpine meadow area are determined by the moisture ana nutrient of the soil.
其中，杂草种类较多的科依次为禾本科、莎草科、菊科、玄参科、泽泻科、千屈菜科等。
The families including the most weed species were Gramineae, Cyperaceae, Compositae, Scrophulariaceae, Alismataceae and Lythraceae.
普通野生稻原生境植物共计20种，均为特有植物种，分属于5科，主要为禾本科和莎草科；
There were 20 plant species fell into 5 families and none of them was discovered in any sites of the other two wild rices growing in the site of O. rufipogon.
植硅体组合在4个主要的火山灰层都发生了明显的变化，表现在树木和灌木的急剧下降及禾草类和莎草科的繁盛。
Significant changes in phytolith assemblages occur at the same depth as four major tephra. indicating a sharp decline in trees and shrubs and a surge in grass and Cyperaceae.
飞蝗嗜食寄主为禾本科、莎草科植物，双子叶植物可以成为飞蝗的临时寄主，但对飞蝗的发育、繁殖及后代均有明显的不利影响；
The Gramineae and Cyperaceae were Locustae's main host. The Dicotyledon could be temporary host, however , it was bad for Locustae to grow up, breed and so on.
此外，有冷杉、云杉、松、铁杉和桦等属乔木花粉和杜鹃科、唇形科、莎草科灌木和草本植物花粉及凤尾蕨、水龙骨、卷柏等属孢子。
Besides, pollen of Abies, Picea, Pinus, Tsuga, Betula, Ericaceae, Labiatae and Cyperaceae and spores of Pteris, Polypodium and Selaginella were also observed.
本发明悬乳剂提高了防效，扩大了乙草胺和阿灭净的防治谱，对玉米田禾本科，双子叶，莎草科杂草的总防效达86%以上，而且对玉米，大豆等作物使用安全性好。
The total effective rate against corn field grass family, dicotyledon, cyperaceae weeds can be higher than 86, and it is safe to corn and soybean crops.
本发明悬乳剂提高了防效，扩大了乙草胺和阿灭净的防治谱，对玉米田禾本科，双子叶，莎草科杂草的总防效达86%以上，而且对玉米，大豆等作物使用安全性好。
The total effective rate against corn field grass family, dicotyledon, cyperaceae weeds can be higher than 86, and it is safe to corn and soybean crops.
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