亚洲国产人成自精在线尤物,激情欧美一区二区三区中文字幕,h揉捏娇喘乳叫床np调教动画,60歳の熟女セックス合集,日本女优番号,丝袜榨精全肉h老师文,脱了她的内裤进了她的身体

Rice seeding substrate

Rice seeding substrate

Particle size (mm)

0-5

pH

5.0-6.5

EC (ms/cm)

1-3

Unit weight (kg/m3)

300-400

Water content (%)

40%-45%

Fertilizer efficiency

N+P2O5+K2O≥2%

Packing capacity

Non-compression packing, 50L±2L/pack