Results 61 to 70 of about 105,031 (359)
Neste trabalho, objetivou-se avaliar o efeito de diferentes doses de silicato de cálcio sobre a população de ninfas de percevejo castanho das raízes em Brachiaria brizantha, nas características químicas do solo, planta e produção de matéria seca.
Elza Amélia de Souza+5 more
doaj +1 more source
Chimonobambusa angustifolia is a famous ornamental and edible bamboo species. Here, the complete chloroplast (cp) genome of C. angustifolia was assembled and annotated. The cp genome is 139,611 bp in size, consisting of two copies of inverted repeat (IR)
Tian Xu, Yongjian Liao, Tao Wu
doaj +1 more source
Comparative study of the biological activities of the aqueous extracts of two spontaneous plants harvested in the Algerian Sahara [PDF]
The present study investigates the insecticidal and herbicidal effects of leaf extracts from two plants were harvested in the Northern Algerian Sahara. These are Cleome arabica (Capparaceae) and Pergularia tomentosa (Asclepiadaceae). The efficacy of the extracts from the plants was evaluated by the reflux extraction method.
arxiv
Madagascar's grasses and grasslands:anthropogenic or natural? [PDF]
Grasses, by their high productivity even under very low pCO2, their ability to survive repeated burning and to tolerate long dry seasons, have transformed the terrestrial biomes in the Neogene and Quaternary.
Bosser J+21 more
core +1 more source
Antarctica's vegetation in a changing climate
Antarctica's unique terrestrial ecosystems are changing with significant impact on the local vegetation. Change is manifold and includes alterations in abiotic and biotic interactions. How the vegetation will respond is still unclear. Abstract Antarctica plays a central role in regulating global climatic and oceanographic patterns and is an integral ...
Claudia Colesie+4 more
wiley +1 more source
TEMPORAL AND SPATIAL DISTRIBUTION OF POACEAE POLLEN IN AREAS OF SOUTHERN UNITED KINGDOM, SPAIN AND PORTUGAL [PDF]
Overall, longer Poaceae pollen seasons coincided with earlier pollen season start dates. Winter rainfall noticeably affects the intensity of Poaceae pollen seasons in Mediterranean areas, but this was not as important in Worcester.
Adams-Groom B.+7 more
core
Shieling activity in the Norse Eastern Settlement : palaeoenvironment of the 'Mountain Farm', Vatnahverfi, Greenland [PDF]
Peer ...
Edwards, Kevin J+2 more
core +1 more source
Grass functional traits reflect the long history of fire and grazers in the savannas of Texas
Abstract Premise Understanding relationships among grass traits, fire, and herbivores may help improve conservation strategies for savannas that are threatened by novel disturbance regimes. Emerging theory, developed in Africa, emphasizes that functional traits of savanna grasses reflect the distinct ways that fire and grazers consume biomass ...
Ashish N. Nerlekar+2 more
wiley +1 more source
Resistance of common European grasses to diesel oil and petroleum pollution is not well-known. Therefore, this study aimed at determining the level of resistance of selected grasses to pollution by diesel and petroleum using the pot experiment.
Jadwiga Wyszkowska+2 more
doaj +1 more source