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Direct and Residual Effects of Micronutrients on Crops in a Pattern in Floodplain Soil

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ABSTRACT Different micronutrients have variable residual effects in the soil. Again, crops have variability in their response to applied micronutrient. An experiment was conducted in floodplain soil of Bangladesh using… Click to show full abstract

ABSTRACT Different micronutrients have variable residual effects in the soil. Again, crops have variability in their response to applied micronutrient. An experiment was conducted in floodplain soil of Bangladesh using cauliflower, maize, and rice in a pattern to explore differential effects of micronutrients on crops. Seven treatments following additive element trial technique including a control were used in the study. Micronutrients were applied @ 3 kg Zn, 2 kg B, 2 kg Cu, 3 kg Mn, 5 kg Fe and 1 kg Mo per hectare. Cauliflower as the first crop of the pattern responded to direct application of both zinc and boron whereas significant residual effects of these elements were observed in the second crop (maize). In rice as the third crop, no significant residual effects were estimated. In floodplain soil, zinc and boron fertilizers are needed to apply in each third crop of a pattern where the second crop is nutrient exhaustive like maize.

Keywords: micronutrients crops; residual effects; floodplain soil; soil; crop; effects micronutrients

Journal Title: Communications in Soil Science and Plant Analysis
Year Published: 2019

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