植物生长方法和环境

Original abstractThe invention provides a method of growing at least one plant ( 1 ), preferably a large number of plants, in which a plant is positioned for growth in a first growth substrate ( 2 ) which has a first water uptake capacity and a first sinking time S 1 , and the first growth substrate ( 2 ) is in fluid communication with a discrete second substrate ( 4 ) is mineral wool of density 40 to 100 kg/m 2 and which has a second water uptake capacity which is less than the first water uptake capacity and a second sinking time S 2 and the value of S 1 is greater than the value of S 2 , and during growth the second substrate is flooded with water at intervals. Preferably growth is under conditions of drought stress and/or nutrient stress. The invention also provides a plant growth environment such as a filled pot ( 3 ) comprising the first and second substrates in fluid 20 communication.