Potting experiments were carried out to study the effects of bacterial manure on soil base dissolving n under different conditions of soil moisture content .
通过玉米盆栽试验,研究了不同水分条件下菌肥对土壤碱解氮的影响。
Illustrated with black and white and sepia toned photos , once cleaned and spine labels removed , these charming little books full of age old information and would be a great addition to your potting shed or garden house .