Soil water measurements on four alluvial soils in Canterbury. 1. Soil water extraction patterns under spring-sown peas and barley, and pasture

absorption d'eau contenido de agua en el suelo cultivos de primavera culture de printemps measurement mesure new zealand nueva zelandia pastizales pastures pisum sativum plant water relations relaciones planta agua relation plante eau soil texture soil water content spring crops teneur en eau du sol textura del suelo texture du sol water uptake