Finally, investment in fertilisers, pesticides, ploughs and improved seed varieties is required to maximise production.
The introduction of multiple resistance (R) genes with different spectra from crossable species into potato varieties is required.
Product variety is required for satisfying customer needs, and at the same time, efficient usage of manufacturing resources is mandatory for competitive and environmentally conscious manufacturing.
A variety of competences are required, including (a) deep competences in many fields (electrical and mechanical engineering, but also engineering physics and civil engineering); (b) integrative competences within engineering (e.g., mechanical and electrical engineering) and between engineering and non-engineering fields (e.g., meteorology and logistics).
A variety of cytokines are required during the early-stages of these processes.
A variety of methods are required to recruit a generalizable sample.
Because the ribosome is responsible for protein translation, a variety of mechanisms are required to regulate its biogenesis, especially under stress conditions.
More prospective studies with large sample sizes from a variety of countries are required to explain how prenatal psychological states and sleep contribute to obstetrical interventions and potential adverse birth outcomes.
However, there is a wide variety of documents which are required, such as operational requirement, design proposal, technical specification, contractual specification, and final system documentation.
But new crop varieties and new techniques are required, far beyond those available now, scientists said.
