共 3 条
[1]
1983, Comarison of pour-through and saturated Pine bark extract N, P, K, and pH levels, J.Amer. Soc. Yeager,T. H. et al. HortScience .
[2]
1986, Prediction of bulk density of Pine bark and/or sand potting media from laboratory analyses of individual componets, J.Amer. Soc. Pokorny. F. A. et al. HortScience .
[3]
1986, Prediction of bulk density of Pine bark and/or sand potting media from laboratory analyses of individual componets, J.Amer. Soc. Pokorny. F. A. et al. HortScience .