Analysis of the climatic constraints to maize production in the current agricultural region of Argentina-a probabilistic approach

作者：Angel Maddonni Gustavo

来源：Theoretical and Applied Climatology, 2012, 107(3-4): 325-345.

DOI：10.1007/s00704-011-0478-9

A simple method of analysis was proposed to characterize the impact of climatic conditions of a wide region of Argentina (from 27A degrees 05%26apos;S to 35A degrees 48%26apos;S, from 61A degrees 5%26apos;W to 64A degrees 21%26apos;W) on potential maize (Zea mays L.) grain yield, and the occurrence of various climatic constraints (low temperatures and low soil water content, frost, drought stress and heat stress) along the cycle. The analysis was based on previous studies of the eco-physiology of maize crops and the use of climatic records of six locations in the region under study. Results were analyzed using a probabilistic method, later organized as a checklist to consider when deciding on sowing date in a location of the region. Thus, for each production scenario (combination of location and sowing date), farmers would have a tool enabling them to pay particular attention to the restrictions more likely to occur, to include some cultural practices to avoid or mitigate the most severe climatic constraint to maize production.

• 出版日期2012-2