Abstract
The purpose of this research is Effect of planting methods and plant density, on yield and yield component of fodder maize. Salinity is a major abiotic factor that limits agricultural crop production. More than 8 million hectare of world fields involved saline soils. Effect of different planting methods and plant density on yield and yield components of fodder maize studied during 2011 growth season. KSC704 variety of fodder maize planted in rural district of Abravan at south east of Mashhad. Main plots belonged to three levels of planting method (Furrow planting, ridge planting and double rows of planting on ridge). Sub plots belonged to three levels of plant density (90,000; 110,000 and 130,000 plant/ha). A split plot experiment conducted base on randomized complete design with three replications. Results showed that different planting methods had significant effect on fodder yield, ear weight, quality index and leaf area index of plants. Furrow planting with 130,000 plant density, produced the highest fodder yield by mean of 56.33 t/ha.
Highlights
Maize is one of the most important crops for human and animal husbandry (Kuchaki, 1985)
Haidargholinezhad et al (2003) showed the best quality of SC704 hybrid forage gained by plant density of 78,000 and 104,000 plants ha-1 and reported that, increasing in plant density result in higher dry matter yield in corn
Asghari et al (2006) reported that there is no significant difference between seed yield of ridge planting and double rows on ridge
Summary
Maize is one of the most important crops for human and animal husbandry (Kuchaki, 1985). Haidargholinezhad et al (2003) showed the best quality of SC704 hybrid forage gained by plant density of 78,000 and 104,000 plants ha-1 and reported that, increasing in plant density result in higher dry matter yield in corn. Emam and Tadaion (1999) reported that 11.11 plants m-2 produced the highest maize leaf area index and seed and fodder yield. Applying double rows on ridge, resulted in water use improvement and reducing side effects of saline soils (Anonymous, 2002). Saberi (2001) investigated the effect of three planting methods (ridge planting, double rows by 15 and 20 cm distance) and four plant densities (70,000; 80,000; 90,000 and 100,000 plants ha-1) on yield of fodder maize. Results showed that double rows with 15 cm distance with 90,000 plants ha-1 produced the highest yield. Results showed that double rows with 15 cm distance with 90,000 plants ha-1 produced the highest yield. Fatemi (2008), reported that planting method has no effect on morphological traits, yield and yield component of maize in saline condition. Rafeei et al (2003) showed that double rows ridge planting increasing yield at least 30% more than ridge planting
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