Welcome to Perry Laboratory
Perry Laboratory provides an advising and testing service for the horticultural industry including floriculture, container nurseries, turf, ornamental landscapes, viticulture and the home gardener.
For production horticulture, Perry Laboratory provides a fertility maintenance program which often includes development of container mixes, development of both liquid and granular fertilizer programs, along with cultural and environmental techniques, specific crop information and problem diagnosis, all of which are aimed at the production of quality plants.
For the landscape industry, we assess the suitability of soils for growing ornamental plants and provide suggestions and guidelines for soil and site preparation prior to and after planting.
For the viticulture industry, soil, water, and plant tissue analyses are used to evaluate the site suitability for a vineyard and for continuous monitoring of the fertility status to produce the best grapes possible.
Currently we provide sampling service to the entire San Francisco Bay Area, from Santa Rosa to Salinas and including the Peninsula and the East Bay. Although we do not provide sampling outside of California, we do work with many growers who mail or ship samples to us on a regular basis. We are also available for phone consultation of horticultural topics.
Our staff consultants are University of California trained HORTICULTURISTS and are also available for diagnosis of post-planting problems in growth of nursery crops, ornamental plant material, turf area and grapes.
Upon request, interpretations and recommendations for achieving desirable fertility levels and optimum growing conditions will be provided.
The Benefits of Testing
Even an experienced soil scientist cannot determine the chemical makeup or fertility status of a soil just by looking at it or digging in it. Topography, aspect, the influence from vegetation, past earth disturbances (grading or erosion) and past management practices can cause soils to vary significantly, even within a neighborhood.
A significant benefit of having a soil and water analyzed is that it will bring science to your horticultural project. Testing allows you to avoid future problems by identifying potential limiting factors in the soil and irrigation water before you plant.
Soil testing allows you to eliminate guessing when formulating soil amendment rates. It also allows for a more informed plant selection.
Our Horticultural Appraisal Package gives a full physical and chemical analysis of the soil upon which a landscape is based. For new landscapes you will receive pre-plant recommendations of common fertilizer amendments in lbs, ounces, or cubic yards per 1000 square feet. Reports are straight-forward and easy-to-understand. Reports can be sent in both hardcopy and electronic formats, making it easy to transfer information directly onto drawings and specs.
For maintaining and monitoring established landscapes, fertility analyses will provide information on the success of the existing fertilizer program and identify areas that need improvement.
Plant tissue testing is also useful in monitoring crop fertility levels along with diagnosing nutrient problems. It is used to determine actual nutrient content within the plants. This data can be used to correlate soil and plant nutrition and is the ultimate determination of a fertility problem.
Laboratory testing is also an invaluable tool for diagnosing problems in the landscape. Plant tissue and soil analyses can reveal nutrient deficiencies that can be corrected. Some problems can be caused by poor quality irrigation water and a test of the irrigation water may also be beneficial.