Acceptable nitrate concentration of greenhouse lettuce: Two optimal control policies

Biosystems Engineering

Volumn 83, Issue 2, 2002, Pages 199-215

  Ioslovich, Ilya ^a   Seginer, Ido ^a  

^a TECHNION ISRAEL INSTITUTE OF TECHNOLOGY   (Israel)

Author keywords

[No Author keywords available]

Indexed keywords

LACTUCA;

EID: 0036775808     PISSN: 15375110     EISSN: None     Source Type: Journal    
DOI: 10.1006/bioe.2002.0112     Document Type: Article

References (17)

1. Both A J; Albright L D; Langhans R W (1999). Design of a demonstration greenhouse operation for commercial hydroponic lettuce production. ASAE Paper No. 99-4123
2. Drews M; Schonhof I; Krumbein A (1995). Influence of growth season on the content of nitrate, vitamin C, β-Carotene and sugar of head lettuce under greenhouse conditions. Gartenbauwissenschaft, 60(4), 180-187
3. Elsgolc L E (1961). Calculus of Variations. Pergamon Press, London
4. Goto E; Albright L D; Langhans R W; Leed A R (1994). Plant spacing management in hydroponic lettuce production. ASAE Paper No. 94-4574
5. Ioslovich I; Gutman P -O (2000). Plant factory optimisation. Automatica, 36(11), 1665-1668
6. MAFF (1997). 1996/97 UK monitoring program for nitrate in lettuce and spinach. Ministry of Agriculture, Fisheries and Food, Food Surveillance Information Sheet, No 121, pp. 1-10. HMSO, UK
7. Marsh L S; Albright L D (1991). Economically optimum day temperatures for greenhouse hydroponic lettuce production, part I: A computer model. Transactions of the ASAE, 34(2), 550-556
8. Pontryagin L S; Boltyanskii V G; Gamkrelidze R V; Mishchenko E F (1962). The Mathematical Theory of Optimal Processes. Wiley-Interscience, New York
9. Prince R P; Bartok J W Jr (1978). Plant spacing for controlled environment plant growth. Transactions of the ASAE, 21, 332-336
10. Prince R P; Bartok J W Jr; Protheroe D W Jr (1981). Lettuce production in a controlled environment plant growth unit. Transactions of the ASAE, 24(3), 725-730
11. Seginer I; Ioslovich I (1999). Optimal spacing and cultivation intensity for an industrialized crop production system. Agricultural Systems, 62, 143-157
12. Seginer I; McClendon R W (1992). Methods for optimal control of the greenhouse environment. Transactions of the ASAE, 35(4), 1299-1307
13. Seginer I; Sher A (1992). Neural-nets for greenhouse climate control. ASAE Paper No. 92-7013
14. Seginer I; Buwalda F; van Straten G (1998). Nitrate concentration in greenhouse lettuce: A modelling study. Acta Horticulturae, 456, 189-197
15. Seginer I; van Straten G; Buwalda F (1999). Lettuce growth limited by nitrate supply. Acta Horticulturae, 507, 141-148
16. Seierstadt A; Sydsaeter K (1987). Optimal Control Theory with Economic Applications. Elsevier Science Publishers, Amsterdam
17. Van Henten E J (1994). Greenhouse climate management: An optimal control approach. Doctor Dissertation, Wageningen Agricultural University, The Netherlands