non woven fabric manufacturer, non woven fabric suppliers , spunlace non woven fabric manufacturers ,

China non woven fabric manufacturers,pp non woven geotextile fabric,needlepunch&spunlace nonwoven,non woven polypropylene,manufacturers&wholesale suppliers in china.

non-woven-fabric-manufacturer.com

www.non-woven-fabric-manufacturer.com

achieved. 2.2 The graft preservation height and diameter growth substrates for light woven container seedling nursery four combinations of sample surveys per plant. Hubei Province marked in accordance with technical regulations nursery seedling stage Ⅰ and Ⅱ seedlings. Technical specification 1-year-old seedlings criteria: height 11 cm above grade Ⅰ, diameter 0.25 cm or more; class Ⅱ height 7 ~ 11cm, diameter 0.2 ~ 0.25 cm. Statistical results are below. The average height of the four combinations B portfolio is 8.34cm, the average diameter of 0.233cm, grade Ⅰ seedlings was 22%, Ⅱ grade seedlings was 42%, the maximum height of 23 cm, the maximum diameter of 0.32 cm. Several other combinations of data or less, the difference is not obvious. Comprehensive comparison, a good B combination effects. Table 3 Camellia different combinations of height and diameter growth portfolio height / cm diameter / cm grade Ⅰ seedlings /% Ⅱ grade seedlings /% maximum height / cm maximum diameter / cmA 8.03 0.221 20 44 21 0.32B 8.34 0.233 22 42 23 0.32C 8.18 0.228 16 40 21 0.30D 8.08 0.216 15 45 20 0.332.3 seedling root growth of