to study the effect of planting pattern and water quantity on potato yields under drip irrigation, this research was conducted using a split plot based on a randomized complete block design with four replications in three regions (mashhad, ardebil and damavand, iran) during 2003-2004. nine treatments were used. the main-plots were three levels of irrigation: 100%(i1), 80%(i2), and 60%(i3) of cr...

Hybrid rice has the potential to outperform existing inbred and was said have produce 14-20 % more yield. In response, Malaysia Government introduced its very own first Rice Variety knew as Kadaria 1 developed by MARDI. This is in line with one of strategies outlined Dasar Agromakanan Negara (DAN) 2011-2020 an approach increasing productivity within Malaysia. The next step would be developing o...

A GIS-based method for locating potential tree-planting sites based on land cover data is introduced. Criteria were developed to identify locations that are spatially available for potential tree planting based on land cover, sufficient distance from impervious surfaces, a minimum amount of pervious surface, and no crown overlap with other trees. In an ArcGIS environment, a computer program was...

the main problems in mixed culture are using the agricultural machines for plant two or more crop simultaneously. in the present study to remove difficulties of using agriculture machinery in planting operation for corn and bean simultaneously, a planter was designed and developed to direct planting of two different types of seeds having different shapes and sizes with precise proportion and di...