Dictionary » T » Trifolium



(Science: botany) A genus of leguminous herbs with densely spiked flowers and usually trifoliate leaves; trefoil. There are many species, all of which are called clover. See Clover.

Origin: L, clover.

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Re: Can you identify this spider?

Araneus trifolium perhaps?

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by stevem
Wed Oct 21, 2009 7:53 pm
Forum: Zoology Discussion
Topic: Can you identify this spider?
Replies: 8
Views: 6969

Re: Effect of Nitrogen on Trifolium repens (White clover)

Hey Kiwigirl, Did you ever get any results? I am doing the same scenario now on golf courses. I definately think you will cease the infestation of clover by adding nitrogen. I am guessing Nitrogen is your control? You might also want to look into dropping the Phosphorus in the soil. I am positive th...

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by tonythetoad
Sat Feb 21, 2009 5:22 am
Forum: Ecology
Topic: Effect of Nitrogen on Trifolium repens (White clover)
Replies: 5
Views: 7037

"Twenty questions"-biology game

... species Rothia 1 species Schotia 1 species Senna 8 species Sesbania 9 species Stylosanthes 1 species Sutherlandia 1 species Tephrosia 17 species Trifolium 1 species Trigonella 2 species Tylosema 2 species Vicia 2 species Vigna 5 species Xerocladia 1 species Xeroderris 1 species Zornia 2 species ...

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by Amrik
Wed Nov 08, 2006 1:33 pm
Forum: General Discussion
Topic: "Twenty questions"-biology game
Replies: 771
Views: 376624

HELP! Dihybrid crossing - not sure I understand??

... blood group O ----------------- Now there's the next exercise which took me days to understand... It reads: "Some plants of the white clover Trifolium repends produce hydrogen cyanide (HCN) when damaged and are sai to be cyanogenic. Acyanogenic plants do not produce HCN. Cyanogenesis depends ...

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by MariaKsk88
Mon Sep 18, 2006 7:48 am
Forum: Genetics
Topic: HELP! Dihybrid crossing - not sure I understand??
Replies: 3
Views: 3298

Hypothesis clarification

... Nitrogen fixation improves the nitrogen content of soil lessening the need for fertilisers. Therefore, when Nitrogen fertilizers are used on Trifolium repens , it often has an adverse effect on the plant and if too potent, kills it all together. I hope this clarifies my hypothesis a bit better

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by Kiwigirl
Mon Jul 31, 2006 11:34 pm
Forum: Ecology
Topic: Effect of Nitrogen on Trifolium repens (White clover)
Replies: 5
Views: 7037
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