Results 111 to 120 of about 12,891 (253)
Biogeochemical features of fallow lands in the steppe zone [PDF]
, 2016 Fallow lands in ancient agricultural areas of Northwestern Crimea which had experienced repeated phases of agricultural activity at different time periods (the Late Bronze Age, antiquity, and the last 150−200 years) have been studied.
Lisetskii, F. N. +2 more
core +1 more source
Study of knotweed ( Reynoutria) as possible phytomass resource for energy and industrial utilization
, 2018 Strasil Z., Kara J. , 2010. Study of knotweed ( Reynoutria) as possible phytomass resource for energy and industrial utilization . Res. Agr. Eng., 56: 85-91.
Z. Strašil, J. Kára
semanticscholar +1 more source
Phytomass and nutrient release in soybean cultivation systems under no-tillage
Pesquisa Agropecuária Brasileira, 2018 : The objective of this work was to evaluate the effect of phytomass accumulation, soil cover, and nutrient cycling promoted by cultivation systems with annual and cover crops on the grain yield of soybean sown in succession in the Cerrado, in the state ...
Andressa Selestina Dalla Côrt São Miguel +5 more
semanticscholar +1 more source
Characterization of vegetation by microwave and optical remote sensing [PDF]
Two series of carefully controlled experiments were conducted. First, plots of important crops (corn, soybeans, and sorghum), prairie grasses (big bluestem, switchgrass, tal fescue, orchardgrass, bromegrass), and forage legumes (alfalfa, red clover, and ...
Biehl, L. L. +2 more
core +1 more source
Equations for the prediction of tree phytomass in Quercus cerris stands in Tuscany, Italy
Forest@, 2007 The paper reports the development of allometric equations to estimate tree phytomass in Turkey oak stands in Tuscany. Biomass estimation is a basic tool to study the ecosystem, which is currently taking on a greater importance due to the commitments ...
Nocetti M +3 more
doaj
Use of chemical markers in antartic ecosystem studies of Demaria mount [PDF]
, 2014 Research is devoted to using chemical markers for studying and description of ecosystems. Photosynthetic pigments – carotenoids and chlorophylls, and soil polymers – humic, fulvic acids and their salts, were used as chemical markers.
Chepeleva, L.V. +6 more
core
, 2017 : Evaluating the decomposition dynamics of vegetative residues from cover crops can provide a better understanding of nutrient release, which is fundamental when choosing a species that is adapted to local conditions.
F. Xavier +2 more
semanticscholar +1 more source
Winter cover crops grown in low altitude condition
Semina: Ciências AgráriasThe purpose of the study was to evaluate dry matter phytomass production, percentage of soil cover, and dry matter phytomass decomposition curve of cover crops in single and mix cultivation, in a low-altitude subtropical environment.
Emilso Damm dos Santos +5 more
doaj +1 more source
Nature Conservation Research, 2019 People have significantly influenced on Orenburg region steppes by ploughing large parts of it, or by utilising other parts as mowed grasslands, pastures or abandoning crop production on the old abandoned fields. Frequent fires are another serious threat
G. K. Dusaeva +2 more
semanticscholar +1 more source
LandPeatlands store huge amounts of soil carbon and play an important role in the global carbon cycle. Drained peatlands stop accumulating carbon and become a source of carbon emissions.
Nikolay Fedorov +8 more
doaj +1 more source