nutrient management in non-humid regions nat dellavalle certified crop advisor, agronomist and soil...
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Nutrient Management inNon-Humid Regions
Nat DellavalleCertified Crop Advisor, Agronomist and Soil Scientist Dellavalle Laboratory, Inc
Hanford, Fresno, Davis, California
www.dellavallelab.com
OUTLINE
• Dellavalle Laboratory• CALIFORNIA
– CLIMATE – Water– Soils– AGRICULTURE
• MANAGAMENT– IRRIGATION– SALINITY – NUTRIENT
• REGULATION
California Agriculture
• http://www.cdfa.ca.gov/statistics/
• Over 400 commodities
• 25,364,695 acres farm land in 2007
• Over $33 billion farm products sold in 2007
Crop and Livestock Commodities in which California Leads the Nation
Almonds Eggplant Lettuce, Romaine PistachiosApricots Escarole/Endive Melons, Cantaloupe PlumsArtichokes Figs Melons, Honeydew Plums, DriedAsparagus Flowers, Bulbs Milk PomegranatesAvocados Flowers, Cut Milk Goats RaspberriesBeans, Dry Baby Lima Flowers, Potted Plants Nectarines Rice, SweetBeans, Dry Large Lima Garlic Nursery, Bedding Plants SafflowerBeans, Green Lima Grapes, Raisins Nursery Crops Seed, AlfalfaBedding/Garden Plants Grapes, Table Olives Seed, Bermuda GrassBroccoli Grapes, Wine Onions, Dry Seed, Ladino CloverBrussels Sprouts Greens, Mustard Onions, Green Seed, Sudan GrassCabbage, Chinese Hay, Alfalfa Parsley Seed, Vegetable and FlowerCabbage, Fresh Market Herbs Passion Fruit SpinachCarrots Jojoba Peaches, Clingstone StrawberriesCauliflower Kale Peaches, Freestone Tomatoes, ProcessingCelery Kiwifruit Pears, Bartlett TurnipsChicory Kumquats Peas, Chinese Vegetables,
GreenhouseCotton, American Pima Lemons Peppers, Bell Vegetables, OrientalDaikon Lettuce, Head Persimmons WalnutsDates Lettuce, Leaf Pigeons and Squabs
Irrigation Mangment
• Trumps salinity and nutrient management • Irrigation water quality
EC Ca Mg NaSAR B Cl CO3
CO3 NO3 Fe Mn
pH Others………….
Irrigation Mangment
• Trumps salinity and nutrient management
• Irrigation water Quality
• CIMIS
• Neutron probes
• Irrigation scheduling
• Irrigation system evaluations
Salinity Managment
• Salinity• Sodicity• Specific Ion toxicity• Water and Soil Analysis
pH ECe Ca Mg
Na SAR ESP B
Gypsum requirement
Lime Requirement
Nutrient Management
• Water Analysis
• Pre-plant soil analysis
Pre-plant Soil Analysis
pH ECe Ca Mg
Na SAR ESP B
Gypsum requirement
Lime Requirement
NO3-N Olson PO4-P
K Zn
Nutrient Management
• Water Analysis
• Pre-plant soil analysis
• Pre-side dress profile NO3-N
• In season tissue analysis
• Nutrient removal tissue analysis
• Field consultation
Nutrient Managment
Regulation
• California Department of Public Health Services
• California Regional Water Qualityl Control Board
• California Air Board
Organic Solid Waste Analysis
TN NO3-N NH4-N P
K Na HCO3 CO3
ACIDITY Alkalinity Metals etc………
Impact on Laboratories
• Business Opportunities
• Operational Choice – Samplings Methods– Laboratory Methods– Personnel
THERE ARE SO MANY RULES THAT NO MATTER WHAT YOU DO YOU WILL BREAK ONE!!!
QUESTIONS!
http://www.dellavallelab.com/
Nutrient Management inNon-Humid Regions
Nat DellavalleCertified Crop Advisor, Agronomist and Soil Scientist Dellavalle Laboratory, Inc
Hanford, Fresno, Davis, California
www.dellavallelab.com