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Effect of soil alkalinity and organic matter on seedling emergence and growth attributes of Anjan (Hardwickia binata Roxb.)

An experiment was conducted to find out the effect of different soil alkaline pH and organic matter on germination, seedling growth attributes and bio-chemical constituents of Hardwickia binata Roxb. The seeds were sown in soil with different pH (8.1, 9.0, 10.2 and 10.5) mixed with sand + farm yard manure (2:1:1 ratio) and compared with control (red earth + sand + farm yard manure at 2:1:1 ratio). Fourteen days after sowing it was found that the seeds sown in normal nursery soil (mixture of red earth + sand + farm yard manure) showed maximum germination (89.0%) and initial seedling vigour (1568), which was similar with seeds sown in soil with pH 10.2 + sand + farm yard manure. In 180 days old seedlings, the biometric and biochemical constituents recorded were higher in control treatment. From this experiment, it could be concluded that the Hardwickia binata seeds sown in higher soil pH along with sand and farm yard manure mixture showed good germination, seedling growth and biochemical constituents.