Results 261 to 270 of about 530,451 (318)

Determinants of access to anticancer medicines in South Asia: a multimethod study. [PDF]

open access: yesBMJ Open
Shukar S   +12 more
europepmc   +1 more source

How far are global croplands from environmental sustainability ?

open access: yes
Guilbert M   +8 more
europepmc   +1 more source

Productivity of Bryophytes in Polar Regions

Annals of Botany, 1971
The productivity of various South Georgian moss species has been measured and some comparative data from Disko Island, West Greenland, are also considered. Two main aspects of growth have been assessed; crop growth-rate and net annual shoot production, using methods which included the coring of undisturbed stands and the growth of shoots in culture. It
Clarke, G.C.S.   +2 more
openaire   +2 more sources

Stock production in the Karoo region

Proceedings of the Annual Congresses of the Grassland Society of Southern Africa, 1981
The Karoo Region, an arid to semi-arid extensive small stock grazing area, is described. The main factors concerning stock production are covered. These are elucidated and supported by research data and references. Management aspects and situations generally hampering stock production are degradation of the vegetation, overgrazing, drought, economic ...
P.W., Roux   +3 more
openaire   +2 more sources

A Regional Production and Transportation Model

Management Science, 1959
A linear programming model is set forth for maximizing a vector of final demand deliveries under both regional production constraints and transportation network constraints. The model is essentially designed to study short-run effects, and hence no provision is made for the expansion of either industrial or transportation capacities.
openaire   +1 more source

Home - About - Disclaimer - Privacy