Responses of Grain Maize to Plant Density at Different Irrigation Regimes

Sara SAMADVAND, Mohammad MAJIDI, Gholamreza HEIDARI, Yahya EMAM


In order to examine the effects of different plant densities, plant patterns and irrigation regimes on yield, yield components and harvest index of grain maize, a field experiment was conducted at Miyandoab Agricultural Research Station, Iran. A strip split plot experiment was conducted based on randomized complete block design with three replications. The results showed that the effect of plant density was significant on kernel yield, harvest index, 1,000 kernel weight. The highest kernel yield was obtained from 90,000 plants ha-1 density. Maximum grain yield (18.530 t ha-1) was obtained from furrow irrigation. However, there was no significant difference between moisture levels of 100% and 120% of field capacity. The lowest kernel yield was obtained at 80% field capacity. This study also showed that mean kernel weight and the number of kernels per row were the most determinant factors in grain yield formation. The highest and the lowest harvest indices were obtained at 120% and 80% treatments of field capacity treatment, respectively. 

Full Text:




Under the aegis of Horticulture and Forestry Society from Transylvania



Dear readers, authors, reviewers and all journal users,

We would like to announce that we are preparing the Notulae Scientia Biologicae journal to be upgraded to the latest OJS version (OJS 3.1.2) for better security and overall general usage.

We would kindly advise you to limit your uploading and document changing activity on our website for the next few days, until the process is completed!

Thank you all for your understanding,

The Journal Management Team