Nutrient Management in Non-Humid Regions

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Nutrient Management inNon-Humid Regions

• Nat Dellavalle
• Certified Crop Advisor, Agronomist and Soil
  Scientist Dellavalle Laboratory, Inc
• Hanford, Fresno, Davis, California
• www.dellavallelab.com

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OUTLINE

• Dellavalle Laboratory
• CALIFORNIA
• CLIMATE
• Water
• Soils
• AGRICULTURE
• MANAGAMENT
• IRRIGATION
• SALINITY
• NUTRIENT
• REGULATION

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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

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Crop and Livestock Commodities in which
California Leads the Nation

• Almonds Eggplant Lettuce, Romaine Pistachios
• Apricots Escarole/Endive Melons,
  Cantaloupe Plums
• Artichokes Figs Melons, Honeydew Plums,
  Dried
• Asparagus Flowers, Bulbs Milk Pomegranates
• Avocados Flowers, Cut Milk Goats Raspberries
• Beans, Dry Baby Lima Flowers, Potted Plants
  Nectarines Rice, Sweet
• Beans, Dry Large Lima Garlic Nursery, Bedding
  Plants Safflower
• Beans, Green Lima Grapes, Raisins Nursery Crops
  Seed, Alfalfa
• Bedding/Garden Plants Grapes, Table Olives
  Seed, Bermuda Grass
• Broccoli Grapes, Wine Onions, Dry Seed,
  Ladino Clover
• Brussels Sprouts Greens, Mustard Onions, Green
  Seed, Sudan Grass
• Cabbage, Chinese Hay, Alfalfa Parsley Seed,
  Vegetable and Flower
• Cabbage, Fresh Market Herbs Passion Fruit
  Spinach
• Carrots Jojoba Peaches, Clingstone
  Strawberries
• Cauliflower Kale Peaches, Freestone
  Tomatoes, Processing
• Celery Kiwifruit Pears, Bartlett Turnips
• Chicory Kumquats Peas, Chinese Vegetables,
  Greenhouse
• Cotton, American Pima Lemons Peppers, Bell
  Vegetables, Oriental
• Daikon Lettuce, Head Persimmons Walnuts

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Irrigation Mangment

• Trumps salinity and nutrient management
• Irrigation water quality
• EC Ca Mg Na SAR B Cl CO3 CO3
  NO3 Fe Mn
• pH Others.

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Irrigation Mangment

• Trumps salinity and nutrient management
• Irrigation water Quality
• CIMIS
• Neutron probes
• Irrigation scheduling
• Irrigation system evaluations

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Salinity Managment

• Salinity
• Sodicity
• Specific Ion toxicity
• Water and Soil Analysis
• pH ECe Ca Mg
• Na SAR ESP B
• Gypsum requirement
• Lime Requirement

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Nutrient Management

• Water Analysis
• Pre-plant soil analysis

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Pre-plant Soil Analysis

• pH ECe Ca Mg
• Na SAR ESP B
• Gypsum requirement
• Lime Requirement
• NO3-N Olson PO4-P
• K Zn

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Nutrient Management

• Water Analysis
• Pre-plant soil analysis
• Pre-side dress profile NO3-N
• In season tissue analysis
• Nutrient removal tissue analysis
• Field consultation

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Nutrient Managment
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Regulation

• California Department of Public Health Services
• California Regional Water Qualityl Control Board
• California Air Board

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Organic Solid Waste Analysis

• TN NO3-N NH4-N P
• K Na HCO3 CO3
• ACIDITY Alkalinity Metals etc

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Impact on Laboratories

• Business Opportunities
• Operational Choice
• Samplings Methods
• Laboratory Methods
• Personnel

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• THERE ARE SO MANY RULES THAT NO MATTER WHAT YOU
  DO YOU WILL BREAK ONE!!!

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QUESTIONS!
ndellavalle_at_dellavallelab.com
http//www.dellavallelab.com/
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Nutrient Management inNon-Humid Regions

• Nat Dellavalle
• Certified Crop Advisor, Agronomist and Soil
  Scientist Dellavalle Laboratory, Inc
• Hanford, Fresno, Davis, California
• www.dellavallelab.com