...and precious to the growing plant are by the soil converted into, and retained in, a condition not of absolute, but of relative insolubility, and are...plant by the continual circulation in the soil of tfie more abundant saline matters. The soil (speaking in the widest sense) is then not only the ultimate...

...and precious to the growing plant are by tho soil converted iuto, and retained in. a condition not of absolute, but of relative insolubility, and are...available to the plant by the continual circulation in tho soil of tlje more abundant salino matters. Tho soil, speaking in tho widest eense, is then not...

...and precious to the growing plant are by the soil converted into, and retained in, a condition not of absolute, but of relative insolubility, and are...the continual circulation in the soil of the more <if»' >t<l<>n/ saline, matter*." " The soil (speaking in the widest sense) is then not only the ultimate...

...rare and preciousto the growing plant are by the soil converted into, nnd retained in, a condition not of absolute, but of relative insolubility, and are kept available to the plant by the continued circulation in the soil of the more abundant saline matters." " The soil (speaking in the...

...and precious to the growing plant art . by the soil converted into, and retained in, a condition not of absolute, but of relative insolubility, and are...the continual circulation in the soil of the more abund'.int sul'ne matters. " The soil (speaking in the widest sense) is then not only the ultimate...

...rare and precious to the growing plant are by the soil converted into and retained in a condition not of absolute, but of relative insolubility, and are...the soil of the more abundant saline matters." The quantities of iron and aluminum oxides introduced into the mixtures of artificial soils, with which...

...observed for many years. As far back as 1859 (American Journal of Science and Arts), Johnson put it thus: "The soil, speaking in the widest sense, is then not...ultimate exhaustless source of mineral (fixed) food of vegetation, but is the storehouse and conservatory of this food, protecting its resources from waste...

...and precious to the growing plant, are by the soil converted into, and retained in, a condition not of absolute, but of relative insolubility, and are...in the soil of the more abundant saline matters." || Enough has been said, in these mere suggestions of the embarrassments attending the investigation...