Effect of climatic factors during the development periods of flowering and boll formation on the production of Egyptian cotton (Gossypium barbadense L.) p. 435 Zakaria M. Sawan, Louis I. Hanna and Willis L. McCuistion DOI: https://doi.org/10.1051/agro:19990601 AbstractPDF (1.039 MB)
The effects of cutting intensity and neighbour species on plants of Lolium perenne, Poa annua, Poa trivialis and Trifolium repens p. 445 George Titus Barthram, Geoffrey Richard Bolton and David Andrew Elston DOI: https://doi.org/10.1051/agro:19990602 AbstractPDF (1.208 MB)
The response of soil nitrogen and 15N natural abundance to different amendments in a long-term experiment at Ultuna, Sweden p. 457 Martin H. Gerzabek, Holger Kirchmann, Georg Haberhauer and Friedrich Pichlmayer DOI: https://doi.org/10.1051/agro:19990603 AbstractPDF (990.7 KB)
Studies on thermal performances of a new greenhouse cladding material p. 467 Shaojin Wang and Jules Deltour DOI: https://doi.org/10.1051/agro:19990604 AbstractPDF (834.8 KB)
Transformation of metamitron in a sandy clay loam soil p. 477 Costantino Vischetti, Cesare Marucchini, Cristiano Casucci, Liviana Leita and Gianni Porzi DOI: https://doi.org/10.1051/agro:19990605 AbstractPDF (492.8 KB)
Long-term effects of nursery starter substrate and AM inoculation of micropropagated peach × almond hybrid rootstock GF677 p. 483 Victoria Estaún, Cinta Calvet, Amélia Camprubí and Jorge Pinochet DOI: https://doi.org/10.1051/agro:19990606 AbstractPDF (788.1 KB)
A graphic reconstruction method of an average vine leaf p. 491 María-Carmen Martinez and Serge Grenan DOI: https://doi.org/10.1051/agro:19990607 AbstractPDF (3.246 MB)
Heterosis, genetic effects and value of F2s and doubled-haploid lines in barley breeding p. 509 Leila Hanifi-Mekliche and André Gallais DOI: https://doi.org/10.1051/agro:19990608 AbstractPDF (1.214 MB)
Interspecific hybridization in perennial species of Lathyrus (fabaceae) p. 521 Adayapalam V. Nandini, Keith R.W. Hammett and Brian G. Murray DOI: https://doi.org/10.1051/agro:19990609 AbstractPDF (1.416 MB)
Genetic parameters and character association for clonal selection in potato breeding programmes p. 531 Jai Gopal DOI: https://doi.org/10.1051/agro:19990610 AbstractPDF (906.5 KB)