Specialty Crop Fertilizers: California
To identify the practices and conversations around specialty crop fertilizer use in California in order to understand new potential markets for an eco-friendly granular fertilizer product.
The background research on this topic helped us to identify various fertilizers and mixes that are used for specialty crops.
SPECIALTY CROP FERTILIZER USE IN CALIFORNIA
- According to a study conducted by a University of California nut crop farm advisor, David Doll, the almond tree growth in California tend to peak when 3-4 ounces of nitrogen per tree is used as a fertilizer. However, the study shows that there was no major difference in the seasonal growth of almond trees in the first year when other fertilizers such as ammonium sulfate, calcium nitrate, ca/pot nitrate blend, potassium nitrate, slow-release, and triple 15.
- The fertilizer application timing for almond trees is important, especially, the fertilizers on young trees should only be applied when there are 8-12 inches of growth. Early application of fertilizers leads to tree damage and salt concentration at the roots.
- For grapes, farms in California use nitrogen to increase the quality and yield, however, the timing and quantity are crucial for the best results. However, grapes require less nitrogen as compared to other crops.
- According to the University of California Agriculture and Natural Resources, some of the important fertilizers used for yielding high-quality grapes include animal manures, ammonium sulfate
, ammonium nitrate
, basic or neutral
zinc sulfate, and potassium sulfate.
In addition to this public search, we scanned our proprietary research database of over 1 million sources and were unable to find any specific research reports that address your goals.
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