Studies on the soil amendment on the slope lands by application of organic matter [in grapevine orchards], 1: Variation of soil water of the slope lands

abonos agricultural chemicals agua del suelo altiplanos amendement du sol bayas climbers crops cultivos eau du sol economic plants engrais engrais organique enmiendas del suelo enredaderas facteur de production fertilizers fruit crops frutales grapevines huerto frutal land leaf mould mantillo de hojas mouvement de l'eau dans le sol movimiento del agua en el suelo orchards physiographic features plantas plante plante de culture plante grimpante plants production factors produit agrochimique sloping land soft fruits soil amendments soil water soil water movement terre terre en pente terreau de feuilles terreno en declive tierras verger vid vigne