[Survey on the Danish field experiment, F: Seed and industrial crops]

agronomic characters colza control de enfermedades control de plagas cultivar cultivars cultivation cultivo disease control fertilizantes nitrogenados gramineas graminee grasses growth inhibitors industrial crops inhibidores del crecimiento linum usitatissimum nitrogen fertilizers pest control plant protection plantas industriales plante industrielle porte graines pratique culturale protection des plantes rape remojo retardateur de croissance seed crops soaking trempage trifolium repens