Corrections and amendments

Additions and Corrections

Additions and corrections to names published in Cercospora in Iran

In this paper the taxonomy of some previously reported taxa as Cercospora apii s.lat. in Iran, is discussed and some new records are listed. Cercospora species on Abelia grandiflora (C. deutziae), Erythrina crista-galli (C. erythrinicola), Euphorbia heterophylla (C. pulcherrimae) and Zanthedeschia aethiopica (C. richardiicola) are new for mycobiota of Iran. Cercospora iridis which was previousl...

Asymmetric Information and Legislative Rules: Some Amendments

We re-examine the major tenets of the informational theory of legislative rules, focusing on the informational efficiency of rules with varying degrees of restrictiveness. When committees are heterogeneous, full efficiency is attainable under the unrestrictive open rule as well as the somewhat restrictive modiÞed rule. In contrast, the restrictive closed rule always leads to inefficiencies. Whe...

Microbial Amendments and Microbe-friendly Additives

Introduction Before we can understand the role of amendments and additives to the soil and their part in a healthy soil, we need to understand what is in the soil and role of some of the organisms in the soil. By knowing something about soil biology we can get a greater appreciation of the constraints and challenges presented by the use of amendments and additives to the soil. This article is n...

Soil Amendments for Agricultural Production

The word organic, applied to fertilizers, indicates that the nutrients are derived from the remains or by‐products of a once‐living organism. Farmers are continually searching for alternatives to synthetic inorganic fertilizers to alleviate the escalating production costs associated with the increasing costs of energy and fertilizers and the problems of soil and surface water deterioration asso...