How To Use Helianthus annuus In A Sentence

• Helianthus annuus L, is widely planted all over the world, and it is not only a economically edible plant but also a worthy of studying and developing medicinal plant.
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• Two intercrop patterns and sole crops of mustard (Brassica hirta Moench) and sunflower (Helianthus annuus L.) were planted in 1988 and 1989 on a silt loam soil to examine mechanisms for overyielding in this intercrop system. 1. Green manure crops in irrigated and rainfed lowland rice-based cropping systems in south Asia.
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• The compounds are all isolated from Helianthus annuus L. firstly.
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• Common diseases of sunflowers (Helianthus annuus) such as downy mildew, septoria leaf spot, rust and sclerotinia wilt are regarded as potential problems. Chapter 20
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