Crop research

Impacts of Nitrogen Deposition on Terrestrial Ecosystems, Report of the United Kingdom Review Group on Impacts of Atmospheric Nitrogen, Department of the Environment, London, 1994. Report of the AERC Institute of Arable Crops Research for 1991, AERC, London, 1992, p. 36. 

K. M. Nair, E. V. V. Bhaskara Rao, K. K. N. Nambiar, and M. C. Nambiar (eds.). Cashew (Anacardium occi-dentalle L. -Monograph on Plantation Crops-I, Central Plantation Crops Research Institute, Kasargod-Kerala, Kasargod (1979). 

Crops Research Division, Agricultural Research Service,... 

Received July 23, 1965. A cooperative contribution of the Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, and the North Carolina Agricultural Experiment Station. Published with approval of the Director of Research of the North Carolina Agricultural Experiment Station as Paper No. 2026 of the Journal Series. Preparation supported in part by PHS grant ES 00044. 

Blum, A. Arkin, G.F. (1984). Sorghum root growth and water-use as affected by water supply and growth duration. Field Crops Research, 9,131-42. 

Blum, A., Mayer, J. Golan, G. (1982). Infrared thermal sensing of plant canopies as a screening technique for dehydration avoidance in wheat. Field Crops Research, 57, 137-46. 

Blum, A. Ritchie, J.T. (1984). Effect of soil surface water content on sorghum root distribution in the soil. Field Crops Research, 8, 169-76. 

Hochman, Z. (1982). Effect of water stress with phasic development on yield of wheat grown in semi-arid environment. Field Crops Research, 5, 55-68. 

Study 1. Wheat ( McNair 1813 ) was planted at the Central Crops Research Station near Clayton (Lynchburg sandy loam) and the Tidewater Research Station near Plymouth (Bayboro loam), North Carolina, at a rate of 101 kg/ha in October of 1980. The following spring or early summer, plots were set up in which a green wheat cover crop or wheat straw and stubble remaining after wheat harvest was (1) left... 

Extraction Procedure. A flow chart of the isolation and identification procedure is presented in Figure 1. Field-grown rye ( Abruzzi, harvested at early flowering stage on March 24, 1983, from the Central Crops Research Station, Clayton, NC) was air-dried for 7 days. The tissue (150 g) was extracted with 3 L of distilled water for 10 hr with agitation. The extract was filtered through cheesecloth and then centrifuged at 28,000 x g for 20 min. The supernatant was reduced in volume to 300 ml jim vacuo at 50°C. Sixty ml of the concentrated aqueous extract was dried in vacuo, the residue extracted with 20 ml of methanol and filtered. The metha-nolic extract was stored at 0°C until use. 

Ramaiah, K. W. Parker, C. Vasudera Rao, M. J. Musselman, L. J. 1983. "Striga Identification and Control Handbook", Information Bulletin No. 15, Patancheru, A. P., India International Crops Research Institute for the Semi-Arid Tropics. 

Yam tubers of Dioscorea alata (Umudike cultivar), D. rotundata (asukwu and obiaturugo cultivars)" and D. cayenensis (water yam and Nkokpu cultivars) were obtained from the National Root Crops Research Institute, Umudike, Nigeria. Some tubers were stored 6 or 12 months at room temperature (25-27 °C), some in vacuum dessicators over a suitable dessicant, and some in paper bags placed in a dark cabinet (absence of circulating air). Fresh tubers were peeled by carefully scraping away the cork layer to minimize loss of outer tissue since much of the protein is concentrated here ( ). They were then cut into 2 cu. cm. pieces, quickly frozen with solid CO2 in 50 9 portions in plastic bags, and stored in a freezer until needed. 

Entomology Research Branch and Field Crops Research Branch, Agricultural Research Service, U. S. Department of Agriculture, Beltsville, Md. 

Cassman KG, Peng S, Oik DC, Ladha JK, Reichardt W, Dobermann A, Singh U. 1998. Opportunities for increased nitrogen use efficiency from improved resource management in irrigated rice systems. Field Crops Research 56 7-38. 

Dobermann A, Cassman KG, Mamaril CP, Sheehy IE. 1998. Management of phosphorus, potassium and sulfur in intensive, irrigated lowland rice. Field Crops Research 56 113-138. 

Gregorio GB, Senadhira D, Mendoza RD, Manigbas NL, Roxas JP, Guerta CQ. 2002. Progress in breeding for salinity tolerance and associated abiotic stresses in rice. Field Crops Research 76 91-101. 

Quijano-Guerta C, Kirk GJD. 2002. Tolerauce of rice germplasm to saliuity aud other soil chemical stresses in tidal wetlands. Field Crops Research 76 111-121. 

Welch RM, Graham RD. 1999. A new paradigm for world agriculmre meeting human needs. Productive, sustainable and nutritious. Field Crops Research 60 1-10. 

Glasshouse Crops Research Institute, Littlehampton, West Sussex, BN17 6LP,... 

Acknowledgement. The initial portion of this research was supported by Agricultural Research Service, U.S.D.A., contract No. 12-14-100-9493(34) administered by Crops Research Division, Beltsville, Maryland. Appreciation goes to Dr. S. K. Mukerji and Kay Jolley for their participation. The final stages of the work in which John Perchorowicz and Lance Evans participated was supported by Federal Funds from the Environmental Protection Agency under grant number 801311. 

Department of Biosciences, University of Kuopio, Kuopio, Finland Scottish Crop Research Institute, Invergowrie, Dundee, Scotland, UK... 

Figure 5.4 Relationships between leaf and tuber K, N, Fe, P, S, Cu, Zn, Mn, Mg, and Ca concentrations among a core collection of 26 commercial Solanum tuberosum varieties trialed in the field at the Scottish Crop Research Institute in 2006. Data are means of two replicate plots each containing eight plants at 40 cm spacing (P. J. White, J. E. Bradshaw, M. F. B. Dale and J. P. Flammond, unpublished data).

Gavin Ramsay Scottish Crop Research Institute, Inveigowrie, Dundee DD2 5DA Scotland, UK M.A. (Andy) Rao Emeritus Professor of Food Engineering Cornell University NYS Agricultural Experiment Station Dept, of Food Science and Technology 630 West North Street Geneva, NY 14456-0462... 

Philip White Scottish Crop Research Institute, Invergowrie, Dundee, DD2 5DA Scotland, UK Rickey Yada Canada Research Chair in Food Protein Stracture, Scientific Director Advanced Foods and Materials Network (AFMNet), Department of Food Science University of Guelph, Ontario N1G2W1... 

The authors are very grateful to the Director, and staff of the Scottish Crops Research Institute for provision of fruit and helpl l discussions, and the University of Stradiclyde Research and Development Fund, Agricultural and Food Research Council and Chivas Bros (Keith) Ltd for support. 

Bastiaans, L., Kropff, M.J., Gourdriaan, J. and van Laar, H.H. 2000. Design of weed management systems with a reduced reliance on herbicides poses new challenges and prerequisites for modelling crop-weed interactions. Field Crops Research 67(2) 161-179. 

Prof Emeritus Ron Morse, Vegetable Crops Research, Department of Horticulture, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061-0327, United States of America. Tel +1 540 231 6724, Fax +1 540 231 3083, Email morser vt.edu... 

In summary, organic no-till systems are recommended only where high-residue cover crops can be grown and managed properly, and when productivity of cash crops is favourably affected by root and shoot biomass (surface residue mulch) of the cover crops. Research and grower experience have shown that organic no-till systems are most likely to succeed ... 

Brandt, K.and Molgaard, J.P. 2001. Organic agriculture does it enhance or reduce the nutritional value of plant foods Journal of the Science of Food and Agriculture 81 924-931. Buerkert, A., Haake, G., Ruckwied, M. and Marschner, H. 1998. Phosphorus application affects the nutritional quality of millet grain in the Sahel. Field Crops Research 57 223-235. 

Denison, R.F., Bryant, D.C. and Kearney, T.E. 2004. Crop yields over the hrst nine years of LTRAS, a long-term comparison of held crop systems in a Mediterranean climate. Field Crops Research 86 267-277. 

Martini, E.A., Buyer, J.S., Bryant, D.C., Hartz, T.K. and Denison, R.F. 2004. Yield increases during the organic transition improving soil quality or increasing experience Field Crops Research 86 255-266. 

Chrispus, O. A. and Oduori, C. O. A. (2005). The importance and research status of finger millet in Africa presented at The McKnight Foundation Collaborative Crop Research Program Workshop on Tef and Finger Millet Comparative Genomics of the Chloridoid Cereals atthe Biosciences for East and Central Africa (BECA) ILRI, Nairobi, Kenya, 28-30, June 2005. 

Author to whom all correspondence and reprint requests should be addressed. Contribution number 761, Soils and Crops Research and Development Centre, AAFC. 

Scottish Crop Research Institute Invergowrie Dundee, Scotland United Kingdom... 

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