On the growth substrate requirements and characteristics: 1, nursery substrate, suitable for growing many types of plants, suitable for various stages of plant growth. Suitable for growing many types of plants, suitable for various stages of plant growth. Numerous species of plants suitable for planting. 2, light weight, ease of handling medium and large potted flowers and trees, reducing the Order of the roof light density, ease of handling medium and large potted flowers, bulk density weight loads. 3, a large total porosity, water absorption saturation is reached, the total volume of air can still maintain the large porosity, water absorption is saturated, the total porosity of the large voids, and to facilitate extension through the roots. 4, water absorption, water holding strong; excessive moisture and easy catharsis, thus preventing wet water absorption, water holding strong; excessive moisture and easy dispersion, absorption great harm. 5, nursery matrix has a certain flexibility and elongation, can support aboveground live plants, but also has a certain degree of flexibility and elongation, can support aboveground live plants, with some flexibility and elongation properties of the plant does not interfere with underground stretch and hypertrophy. Shouguang rice 田镇振 sea plant nursery substrate Address: Paddy Town, Shouguang City, Shandong Province Contact: Manager Li Mobile: 15263663166 Website: www.sgzhenhai.net