Site-specific Nutrient Management for Enhancing Crop Productivity

Site-Specific Nutrient Management

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Nutrient Management for Increased Crop Productivity and Reduced Environmental Impacts

Careful management of plant nutrients is more important than ever because of volatile grain/fertilizer price ratios and public concerns about water quality impairment due to excess nutrient loss from fields. The management concepts most relevant to increase the efficacy of crop production while limiting water quality impairment are different for nitrogen (N) than for less mobile nutrients such ...

Land surface modification and crop diversification for enhancing productivity of a Vertisol

Vertisols occur extensively in centralIndiaand have high production potentials. Because of the high clay content (40-60% or more), high bulk density (1.5-1.8 Mg m-3) and related properties, these soils have high moisture storage capacity. Conversely, these soils become very hard when dry and very sticky when wet. Since last two decades, scientists, farmers and also the policy makers have be...

Site-Specific Nutrient Management: Implementation guidance for policymakers and investors

Maize productivity and nutrient use efficiency in Western Kenya as affected by soil type and crop management

Low soil fertility and high weed infestation are the main culprits for the declining maize production inWestern Kenya. Technology packages to address these constraints exist, but their effectiveness is likely to be influenced by variability in soil types and farm management practices in the region. Trials were conducted during the 2008/2009 cropping seasons to investigate the nutrient use e...