Results 131 to 140 of about 4,500,040 (247)
INDICATOR PLANTS OF FERTILITY AND SOIL ACIDITY [PDF]
Analele Universităţii "Constantin Brâncuşi" din Târgu Jiu: Seria Inginerie, 2018 The main agrochemical indicators of soil are: reaction and nutrient content.Spontaneous wild plants can be used to quickly assess the main features of the soil: acidity, texture, nutritional value, soil density and moisture.
Roxana – Gabriela Popa +1 more
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Natural Areas and Reference Collections for Environmental Education in Some Arkansas Schools [PDF]
, 1973 A survey of 20 school campuses throughout Arkansas showed that most lack natural areas for outdoor environmental education. For most Arkansas schools no checklists of local plants are available, and there are no reference collections at the schools ...
Moore, Jewel E.
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Characterizing Information Propagation in Plants
, 2018 This paper considers an electro-chemical based communication model for intercellular communication in plants. Many plants, such as Mimosa pudica (the "sensitive plant"), employ electrochemical signals known as action potentials (APs) for communication ...
Adve, Raviraj S. +4 more
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Are plants with anti-cancer activity resistant to crown gall? : A test of hypothesis [PDF]
, 2007 The Crown gall tumour assay (CGTA) is one of several bench top bioassays recommended for the rapid screening of plants with anti-cancer activity. The rationale for the use of the bioassay is that the tumorogenic mechanism initiated in plant tissues by ...
BT. Ramesha +4 more
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Design of PID Controllers Satisfying Gain Margin and Sensitivity Constraints on a Set of Plants [PDF]
, 2004 This paper presents a method for the design of PID-type controllers, including those augmented by a filter on the D element, satisfying a required gain margin and an upper bound on the (complementary) sensitivity for a finite set of plants.
Nagurka, Mark L., Yaniv, O.
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Conservation LettersAssessing connectivity among protected areas (PAs) is vital for conserving species movement in fragmented landscapes; yet, most studies consider only a few taxa and ignore interactions between protection levels. We combined a recently developed framework
Marie‐Caroline Prima +6 more
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Enforcement of Vintage Differentiated Regulations: The Case of New Source Review [PDF]
This paper analyzes the effects of the New Source Review (NSR) environmental regulations on coal-fired electric power plants. Regulations that grew out of the Clean Air Act of 1970 required new electric generating plants to install costly pollution ...
Bushnell, James, Wolfram, Catherine
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Jens Kossmann 1963-2023 – a scientist with a passion for plant biology and people
Frontiers in Plant Science, 2023 James R. Lloyd, Uwe Sonnewald
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