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Organic/Horticulture Library

Organic/Horticulture Library

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  • beginning farmer
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  • organic
  • organic certification
  • organic gardening
  • pest management
  • pollinator plant profile
  • pollinator plants
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  • poultry
  • rotations
  • season extension
  • soil
  • sorghum
  • squash
  • sweet potato
  • tomato
  • tools & equipment
  • vermicompost

Where We Shop: Sources of Seed, Tools, and Supplies

This is a list, by item, of sources of seeds, tools, and supplies used in the Kerr Center horticulture program.

Water and Irrigation Systems for Market Farming

This presentation discusses watering needs and approaches for small-scale horticultural crops.

Vegetable Crop Irrigation Chart

This handout lists, for several different vegetable crops: irrigation frequency, critical moisture period(s), rooting depth, and potential defects.

Two-Barrel Nested Biochar Retort

This is a drawing illustrating how a two-barrel nested biochar retort operates.

The Kerr Center’s 2014 Demonstration Market Garden

This report describes the demonstration organic market garden planted as a teaching tool for the 2014 Oklahoma Beginning Farmer & Rancher Program.

Sweet Sorghum: Production and Processing, Second Edition

Sweet Sorghum: Production and Processing, enduringly popular and useful, is now available in an updated second edition! Download or order a copy today!

Supply & Equipment List

This handout lists various supplies and equipment used in the Kerr Center’s organic horticulture program.

Sow True Planting Guide

This planting guide from Sow True Seeds was used as a handout in the Oklahoma Beginning Farmer & Rancher Program.

Southern Organic Resource Guide

The Southern Organic Resource Guide was designed to help certified and transitioning organic farmers in Arkansas, Louisiana, Kentucky, Mississippi and Tennessee minimize and manage risks associated with obtaining and maintaining organic certification.

Soils and Organic Fertility Management

This presentation discusses the management of soil fertility under organic regulations.

Soil Testing: The Right First Step

This is Oklahoma Cooperative Extension Service leaflet number L-249.

Soil Testing, Soil Sampling, and Soil Fertility

This presentation discusses soil nutrient management.

Soil Test Interpretation for Vegetable Crops

This is Oklahoma Cooperative Extension Service publication number HLA-6036.

Soil Sampling and Analysis

This is a presentation by Brian Freking from the livestock track of the 2012 Oklahoma Beginning Farmer & Rancher Program.  It covers the purpose of soil sampling, how (and how not) to take a sample,…

Soil Management: Site Selection, Soil Fertility

This presentation discusses the management of soils for market farming operations.

Small-Scale Technology and Practices for Sweet Potato Growing in Southeast Oklahoma

This report contains an overview of insights and observations from three years of grant-funded investigation of small-scale technologies and techniques for growing sweet potatoes that might benefit gardeners and small market growers.

Small-Scale Gardening Technology at the Kerr Center

This report relates the Kerr Center’s experiences with small-scale farming and gardening tools during a decade of bio-extensive management on the Cannon Horticulture Plots. Tools evaluated include spades, digging forks, broadforks, hoes, and more.

Small Scale Organics: A Guidebook for the Non-certified Organic Grower

This report includes guidelines and an organic system plan to help determine whether an organic farming operation meets the USDA standards.

Seeds, Seeding, and Growing Transplants

This presentation covers seed biology, germination, storage, variety selection, planting dates, field & greenhouse plantings, and growing out transplants.

Seed Starting Guide – Arkansas River Valley

This handout lists, for over four dozen vegetable crops, fall and spring planting dates and related information.

Rotations, Cover Crops, and Green Fallow on the Cannon Horticulture Project: A 2010 Status Report

This report outlines the “bio-extensive” approach to fertility and weed management used on the Cannon Horticulture Plots.

Produce Safety at the Farm Market: A Guide for Farmers and Sellers

This handout has guidelines for farmers and sellers at farmers markets to reduce the risk of foodborne illness.

Pollinator Plant Profile: Switchgrass

This fact sheet contains information on planting and growing switchgrass, Panicum virgatum.

Pollinator Plant Profile: Rock Pink

This fact sheet contains information on planting and growing rock pink (aka flower-of-an-hour), Phemeranthus calycinus.

Pollinator Plant Profile: Rattlesnake Master

This fact sheet contains information on planting and growing rattlesnake master, Eryngium yuccifolium.

Pollinator Plant Profile: Purple Prairie Clover

This fact sheet contains information on planting and growing purple prairie clover, Dalea purpurea.

Pollinator Plant Profile: Ohio spiderwort

This fact sheet contains information on planting and growing Ohio spiderwort, Tradescantia ohiensis.

Pollinator Plant Profile: Narrow-leaf Mountain Mint

This fact sheet contains information on planting and growing narrow-leaf mountain mint, Pycnanthemum tenuifolium.

Pollinator Plant Profile: Mexican hat

This fact sheet contains information on planting and growing Mexican hat, Ratibida columnifera.

Pollinator Plant Profile: Maypop

This fact sheet contains information on planting and growing maypop, Passiflora incarnata.

Pollinator Plant Profile: Maximilian Sunflower

This fact sheet contains information on planting and growing Maximilian sunflower, Helianthus maximiliani.

Pollinator Plant Profile: Little bluestem

This fact sheet contains information on planting and growing little bluestem, Schizachyrium scoparium.

Pollinator Plant Profile: Indiangrass

This fact sheet contains information on planting and growing indiangrass, Sorghastrum nutans.

Pollinator Plant Profile: Indian blanket

This fact sheet contains information on planting and growing Indian blanket (aka firewheel, blanket flower), Gaillardia pulchella.

Pollinator Plant Profile: Illinois Bundleflower

This fact sheet contains information on planting and growing Illinois bundleflower, Desmanthus illinoensis.

Pollinator Plant Profile: Goldenrod

This fact sheet contains information on planting and growing goldenrod, Solidago spp.

Pollinator Plant Profile: Giant Coneflower

This fact sheet contains information on planting and growing giant coneflower (aka giant browneyed Susan), Rudbeckia maxima.

Pollinator Plant Profile: Fogfruit or Frogfruit

This fact sheet contains information on planting and growing fogfruit (aka frogfruit), Phyla nodiflora.

Pollinator Plant Profile: Compassplant

This fact sheet contains information on planting and growing compassplant, Silphium laciniatum.

Pollinator Plant Profile: Celestial Lily

This fact sheet contains information on planting and growing celestial lily (aka prairie iris), Nemastylis geminiflora.

Pollinator Plant Profile: Big Bluestem

This fact sheet contains information on planting and growing big bluestem, Andropogon gerardii.

Planting Calendar

This handout shows seeding and transplanting dates for a variety of vegetable crops.

Pesticides: Safety, Handling, Application

This presentation discusses the safe handling of pesticides in a market farm setting.

Overview: Sweet Potatoes at the Kerr Center

This summary of sweet potato work at the Kerr Center from 2010-2013 contains a guide and links to more detailed publications resulting from that work.

Other Hoop House Resources

This is a selection of off-site resources on season extension.

OSU Soil Test Pricing

This is the 2011 fee schedule from OSU’s Soil, Water, and Forage Analytical Laboratory.

Organic Production in Oklahoma: Questions & Answers

This is an FAQ-format summary of organic farming for producers considering certification.

Organic Bio-Extensive Management Revisited

This report recounts the lessons learned from nine years of organic management of the Cannon Horticulture plots.

On-Farm Composting and Vermicomposting

This presentation discusses the composting options for fertility in market farming/gardening.

Notes on Tillage & Seeding Equipment for Small Vegetable Farms

This is a list of resources and description of basic equipment necessary for soil preparation and seeding in different farming methods.

Native Plants for Native Pollinators in Oklahoma

This beautiful full-color guidebook is overflowing with information on 38 Oklahoma native plants and the pollinators that visit them.

Market Farming with Rotations and Cover Crops: An Organic Bio-Extensive System

This report outlines how to control grasses and weeds, and build soil life, health, and fertility organically, using cover crops and rotations.

How We Converted Bermuda Pasture to Organic Vegetables

This fact sheet describes how to eliminate bermudagrass from future vegetable fields using a sorghum-sudangrass cover crop.

Horticulture Main Demonstration Plot Scheme

This handout maps the Cannon Horticulture Plots, as well as the field within them where the 2013 warm-season cover crop trial was conducted.

Hoophouse Materials List

This is a list of materials and cost calculations for building a hoophouse. It was most recently updated in fall 2017.

Hoop House Construction Plans

This document explains how to build a low-cost hoop house, of the design developed by Tod Hanley.

Heirloom Vegetables, Genetic Diversity, and the Pursuit of Food Security

This report defines and describes heirloom vegetable varieties and discusses their implications.

Heirloom Variety Trial Report 2012: Three Sisters

This report presents the results of our 2012 heirloom Three Sisters variety trial.

Heirloom Variety Trial Report 2012: Sweet Potatoes

This report presents the results of our 2012 heirloom sweet potato variety trial.

Heirloom Variety Trial Report 2011: Sweet Potatoes

This report presents the results of our 2011 heirloom sweet potato variety trial.

Heirloom Variety Trial Report 2011: Flour and Meal Corn Demonstration

This report presents the results of our 2011 flour and meal corn demonstration.

Heirloom Variety Trial Report 2010: Tomatoes

This document discusses interesting observations we made in our 2010 heirloom tomato variety trial.

Heirloom Variety Trial Report 2010: Sweet Potato

This report presents the results of our 2010 heirloom sweet potato variety trial.

Heirloom Variety Trial Report 2010: Grafted Tomatoes

This report presents the results of our 2010 grafted heirloom tomato variety trial.

Heirloom Variety Trial Report 2009: Tomatoes

This publication presents the results of our 2009 heirloom tomato variety trial.

Heirloom Variety Trial Report 2009: Squash

This publication presents the results of our 2009 heirloom summer squash variety trial.

Heirloom Variety Trial Report 2008: Sweet Sorghum

This publication presents the results of our 2008 heirloom sweet sorghum variety trial.

Harvest and Post-Harvest

This presentation discusses harvest and post-harvest handling of fruit and vegetable crops for market farms and gardens.

Farming with Walk-Behind Tractors

This report covers the Kerr Center’s decade of experience using walk-behind tractors in the Cannon Horticulture Project. It serves as both backgrounder and how-to manual.

Farm Made: A Guide to On­-Farm Processing for Organic Producers

This report provides an overview of the general requirements for organic certification and for food processing facilities, followed by a discussion of four different on-­farm enterprises, including table eggs.

Exploring Biochar

This intern report consists of an annotated research bibliography on biochar.

Elements of Organic Farming: Putting Your System Together

This presentation gives an extensive overview of setting up an organic farming system.

Elements of Organic Farming: Pest, Insect, and Disease Management

This presentation discusses the management of crop pests on an organic market farm.

Drip and Micro Irrigation Suppliers

This handout lists contact information for several commercial suppliers of drip and micro irrigation equipment.

Designing an Organic System

This is a two-page description of how to apply the concepts of systems theory to practical management for certified organic production.

Cover Crops as Beneficial Insect Habitats

This publication outlines thoughts on, and experiences with, using cover crops as beneficial insect habitat in organic farming.

Compost Presentation Notes

This handout includes a table of different compost feedstocks and their approximate carbon-to-nitrogen ratios.

Compost & Soil Humus Resource List

Extensive bibliography, step-by-step outline, and list of common materials giving carbon:nitrogen ratio for each.

Blending Guide for Low-Analysis Fertilizers

This handout discusses points to consider when blending organic fertilizers. It contains several tables of nutrient contents of different organic fertilizers.

Assorted Resources: Equipment and Organic Pesticides/Tools

This handout lists various supplies and equipment used in the Kerr Center’s organic horticulture program.

Are We Organic Yet?!

This presentation covers organic practices, prohibited substances, food safety, integrity, seeds & planting stock, marketing, steps to certification, and resources.

A&L Soil Sample Information Sheet

This is a soil sample submission form from A&L Laboratories.

A&L Soil Analysis Fee Schedule

This is a fee schedule from A&L Laboratories.

A&L Reference Guide: Soil Sampling

This guide covers procedures, tools, sample preparation, size, depth, and timing, and recommendations for specialized sampling locations and situations.

A Few Facts about Biochar

This intern report gives a brief overview of biochar.

A Brief Overview of the History and Philosophy of Organic Agriculture

This publication outlines the origins of organic agriculture, highlighting the concepts that define it as a distinct and sustainable approach to farming.

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