Kinetic parameters of nitrate uptake by different catch crop species: effects of low temperatures or previous nitrate starvation [root shoot ratio]

absorption de substances nutritives aging brassica alba brassica napus brassica rapa catch cropping cold crecimiento croissance cultivo intermedio envejecimiento frio froid growth leaching lessivage du sol lolium multiflorum lolium perenne nitrate nitrates nitratos nutrient uptake phacelia raphanus sativus rhizosphere rizosfera secale cereale soil temperature stems tallo temperatura del suelo tige transpiration trifolium alexandrinum trifolium incarnatum vieillissement