Search Results

You are looking at 41 - 50 of 4,372 items for :

  • Refine by Access: All x
Clear All
Full access

T.K. Hartz and R.F. Smith

Research on the use of controlled-release fertilizers (CRF) in California vegetable production has been conducted for more than 30 years. Since Lorenz et al. (1972) evaluated CRF for potato ( Solanum tuberosum ), tomato ( Solanum lycopersicum

Free access

Luther C. Carson, Monica Ozores-Hampton, Kelly T. Morgan, and Jerry B. Sartain

Restoration Act of 1999 ( Bartnick et al., 2005 ). Controlled-release fertilizers are soluble fertilizer (SF) coated in polymer, resin, or sulfur-coated urea in a polymer coating ( Trenkel, 2010 ). Field measurements of CRF N release have been made by

Free access

Martin P.N. Gent and Michael R. Short

Reuse of solution after it has once been used to water plants can prevent groundwater pollution from the use of fertilizer in intensive agricultural production. The smaller the volume of nutrient solution discarded, the less likelihood of excess

Full access

Sueyde Fernandes de Oliveira Braghin, Simone C. Mello, Jéssika Angelotti-Mendonça, Keigo Minami, and Yuncong C. Li

leaf shape and color range. In addition, croton can be cultivated as landscape plants or grown in pots. Grown as a potted plant, croton requires more fertilizer per unit of surface area than plants grown in the landscape. In addition, its esthetic

Free access

Paul R. Fisher, William R. Argo, and John A. Biernbaum

water-soluble fertilizer (WSF) interact to affect the nutrient supply in container substrate throughout crop production ( Argo and Biernbaum, 1996 , 1997 ). A key grower decision is the selection of the WSF formulation and concentration to maintain a

Full access

Timothy K. Broschat

the new growth of plants ( Sharrocks, 1997 ). For many fruit and vegetable crops, well-timed foliar applications of water-soluble B fertilizers are a common practice to prevent deficiencies ( Martens and Westermann, 1991 ). For perennial crops

Full access

J Austin Gimondo, Christopher J. Currey, Darren H. Jarboe, Martin Gross, and William R. Graves

.S. Department of Agriculture, 2016 ). High production densities, plant quality requirements, and the use of soilless substrates with little or no available mineral nutrients contribute to the necessity for fertilization. Synthetic fertilizers account for nearly

Free access

David R. Bryla, Bernadine C. Strik, M. Pilar Bañados, and Timothy L. Righetti

Like many crops, fertilizer practices in blueberry ( Vaccinium sp.) are routinely adjusted by comparing the results of leaf nutrient analysis at a standard time against the known optimal ranges of leaf nutrient concentrations. Effective fertilizer

Free access

Layla J. Dunlap, Jeremiah R. Pinto, and Anthony S. Davis

fertilizer use because of the closed-loop nature of the system ( Landis and Wilkinson, 2004 ). Despite growing interest in subirrigation system use for native plant production, little guidance exists regarding how to adapt fertilization practices to this

Free access

Zhengli Zhai, David L. Ehret, Tom Forge, Tom Helmer, Wei Lin, Martine Dorais, and Athanasios P. Papadopoulos

Organic production methods encourage the use of organic waste materials as substitutes for chemical fertilizers. This may be an effective way to use the high volumes of urban yard waste and waste organic materials emanating from dairy, poultry