The soil used for the experiment in Grobogan has a clay texture (80%) and is slightly alkaline. The extracted P and K nutrients from 25% HCl are relatively high. Ca dominates the basic cations, while
Characteristics of soil samples in monocropping and intercropping systems with different fertilization treatments. CK, plots without fertilizer added; CF_I, plots with 60 kg N ha-1 of urea; CF_II, plo
The availability of soil phosphorus (P) norms for various plant available P tests is limited due to the cost of establishing these norms. Consequently a need exists for a means of converting between t
