+ Site Statistics
References:
48,252,460
Abstracts:
22,798,453
+ Resolve Accession
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ PDF Full Text
Request PDF Full Text
Submit PDF Full Text

+ Translate

# Mathematical formulae for calculating the base temperature for growing degree days

## Yang, S.; Logan, J.; Coffey, D.L., 1995: Mathematical formulae for calculating the base temperature for growing degree days. Agricultural & Forest Meteorology 74(1-2): 61-74

Much research has been done on finding methods to determine the base temperature, a very important variable in computation of growing degree days (GDD). Four common methods have been reported often in the literature: (1) the least standard deviation in growing degree days; (2) the least standard deviation in days; (3) coefficient of variation; (4) regression coefficient. The procedures to calculate the base temperature associated with these methods are tedious and lack a theoretical basis in mathematics. The objective of this research was to find simple and mathematically sound formulae to calculate the base temperature for GDD. Mathematical formulae are proposed, proved and tested using temperature data for snap bean, sweet corn, and cowpea. Compared with previous procedures, these proposed mathematical formulae can produce the base temperature easily and accurately. These formulae are applicable to calculating the base temperature for GDD of any developmental stage for any crop.

## Order PDF Full Text

Accession: 002891393

DOI: 10.1016/0168-1923(94)02185-m

Download PDF Full Text: Mathematical formulae for calculating the base temperature for growing degree days

## Submit PDF Full Text

No spam - Every submission is manually reviewed

Due to poor quality, we do not accept files from Researchgate

Submitted PDF Full Texts will always be free for everyone
(We only charge for PDFs that we need to acquire)

Select a PDF file:

Other references

Oyen, O.J., 1989: Craniofacial growth. 1. Critical review of the most authoritative current knowledge. After an analysis of the knowledge of today about the cranio-facial growth, the author presents a theory of the structural function as a proper conclusion of the change from a genetic hypothesis to a functional matrix. This theory will explain som...

Hostetler, K., Y.; Kini, G., D.; Beadle, J., R.; Aldern, K., A.; Gardner, M., F.; Border, R.; Kumar, R.; Barshak, L.; Sridhar, C.N.; Wheeler, C., J.; Richman, D., D., 1996: Lipid prodrugs of phosphonoacids: Greatly enhanced antiviral activity of 1-O-octadecyl-sn-glycero-3-phosphonoformate in HIV-1, HSV-1 and HCMV-infected cells, in vitro. Phosphonoformate (PFA) effectively inhibits viral polymerases but is relatively ineffective in virus-infected cells in tissue culture. A lipid prodrug of phosphonoformate was synthesized by coupling the phosphonate residue of phosphonoformate to t...

Hatano, R.; Yamada, T.; Matsuoka, S.; Iwata, S.; Yamazaki, H.; Komiya, E.; Okamoto, T.; Dang, N.H.; Ohnuma, K.; Morimoto, C., 2014: Establishment of monoclonal anti-human CD26 antibodies suitable for immunostaining of formalin-fixed tissue. A T cell costimulatory molecule with dipeptidyl peptidase IV (DPPIV) activity in its extracellular region, CD26 is a multifunctional molecule associated with various proteins such as adenosine deaminase, caveolin-1, CXCR4, collagen, and fibronecti...

Jagur, O.; Kull, M.; Leibur, E.; Kallikorm, R.; Loorits, D.; Lember, M.; Voog-Oras, U., 2011: Relationship between radiographic changes in the temporomandibular joint and bone mineral density: a population based study. OBJECTIVE. The aim of this population based study was to compare radiographic changes in the temporomandibular joint (TMJ) with the lumbar spine and femoral neck BMD. To find whether there is any relationship between TMJ radiographic changes, vita...

Xiong, Y.; Zhang, M.; Hong, Y.; Wei, M.; Ai, D.; Meng, P.; Han, Y.; Fu, Z.; Shi, Y.; Yang, J.; Lin, J., 2013: Characterization Analysis of Schistosoma japonicum Plasma Membrane Repair Relative Gene Myoferlin. Myoferlin is a member of the ferlin family of proteins, which are involved in plasma membrane repair, and has been identified as one of the tegument proteins of Schistosoma japonicum. The tegument proteins are potential candidates for vaccines and...

Tomar, S.S.; Balaine, D.S., 1973: Effect of the length of service period and preceding dry period on the milk yield of Hariana cattle. From analyses of lactation records of 98 Haryana cows, significant positive correlations were found between length of service period and milk yield for each of the 1st 3 lactations (P < 0.05) and for all lactations (P < 0.01); tabulated resu...

Timofeev, L.V.; Kulinich, N.V., 1998: Reproductive properties of sows of selected breeds having different stress resistance. In 1995-1996 at the breeding farm of the Il'inogorsk Company (Nizhnegorodsk region, Russia) the stress resistance of 36 Duroc, 35 Landrace and 36 Large White sows was determined by studying their responses to subcutaneous injections of turpen...

Smith, H. S., 1935: The Ro1e of Biotie Factors in the Determination of Population Densities. According to Bodenheimer, the equilibrium of insect populations in nature is maintained almost entirely by abiotic factors, principally climate, and biotic factors are of little importance. In discussing these assumptions, the author deals exclusi...

Thibaut, J.; Deppe, R.; Munzenmayer, V., 1993: Surgical treatment of bilateral femoral head osteonecrosis in a dog. Clinical and radiological records are presented for a 10 month old male Yorkshire Terrier, affected by a bilateral osteonecrosis of the femoral head. Bibliographic information concerning the aetiology, pathogenesis, diagnosis and treatment of the...

Lee, J.; Lim, K-Taek., 2011: Preventive effect of phytoglycoprotein (27 kDa) on inflammatory factors at liver injury in cadmium chloride-exposed ICR mice. Cadmium is one of the inflammation-related xenobiotics and has been regarded as a potent carcinogen. Gardenia jasminoides Ellis (GJE) has been used to cure inflammation in Korean folk medicine for a long time. The purpose of present study is the i...