Unless more effective ways can be found to deliver high-yielding seed to farmers in developing countries, the hoped-for “green revolution” in maize production will remain elusive. This comprehensive reference examines the spectrum of technical, economic, and institutional issues that will...

TRYSEM program is viewed as system with definite goal and an environmental of its own. The content of monitored information is analysed. It is suggested that the diagnostic value of the monitored data is low. The concurrent corrective actions can be formulated better if the format of monitored...