 | 1805 - 534 Seiten
...limestone Is f«u:)(l abundantly hi Yorkshire, Derbyshire, and Somenelthirc. A a 2 or or in rallies *. The productiveness of soils must likewise be influenced...XVIII. Of the chemical Composition of fertile Corn Soils i in this Climate. Those soils that are most productive of corn contain always certain proportions... | |
 | Friedrich Christian Accum - 1808 - 492 Seiten
...that are situated on declivities, ought to be more absorbent than those in the same climate on plains or in vallies.* The productiveness of soils must likewise...by the influence of a substratum of sand or gravel. 18. Of the Chemical Composition of fertile Corn Soils in this Climate. Those soils that are most productive... | |
 | John Murray - 1809 - 780 Seiten
...influenced by the nature of the sub-soil, or the earthy and stony strata on which they rest. Thu?, a sandy soil may sometimes owe its fertility to the...be prevented from being barren, in a moist climate, fcy the influence of a substratum of sand or gravel." Besides aproper soil, the due application of... | |
 | Friedrich Christian Accum - 1814 - 484 Seiten
...nature of the subsoil, or the earthy «r stony strata on which they rest ; and this circumstance •ught to be particularly attended to, in considering their...climate, by the influence of a substratum of sand •r gravel. 18. Of the Chemical Composition of fertile Corn Soils in this Climate. *' Those soils... | |
 | Andrew Ure - 1821 - 418 Seiten
...attended to, in considering their chemical nature, and the system of improvement. Thus a sandy soil may owe its fertility to the power of the sub-soil to...by the influence of a substratum of sand or gravel. Those soils that are most productive of corn, contain always certain proportions of aluminous or calcareous... | |
 | Andrew Ure - 1821 - 512 Seiten
...and the system of improvement. Thus a sandy soil may owe its fertility to the power of the sub-yoil to retain water; and an absorbent clayey soil may...by the influence of a substratum of sand or gravel. TI lose soils that arc moit productive of corn, contain always certain proportions of aluminous or... | |
 | Anthony Todd Thomson - 1822 - 778 Seiten
...influenced by the nature of the subsoil, " or the earthy and stony strata on which they VOL. I. Q " rest. Thus, a sandy soil may sometimes owe its " fertility...to retain "water; and an absorbent clayey soil may oc" casionally be prevented from being barren, in a " moist climate, by the influence of a substra"... | |
 | F. ACCUM - 1828 - 526 Seiten
...on declivities, ought to be more absorbent than those in the same climate on plains or in valleys *. The productiveness of soils must likewise be influenced...by the influence of a substratum of sand or gravel. 16. — Of the chemical composition of fertile Corn soils in this climate. — Those soils that are... | |
 | Library, John Baxter - 1830 - 614 Seiten
...and the system of improvement. Thus a sandy soil may owe its fertility to the power of the subsoil lo retain water : and an absorbent clayey soil may occasionally...by the influence of a substratum of sand or gravel. Those soils that are most productive of corn, contain always certain proportions of aluminous or calcareous... | |
 | 1839 - 520 Seiten
...likewise be influenced by the nature of the subsoil, or the earthy and stony strata on which they rest. Thus, a sandy soil may sometimes owe its fertility...by the influence of a substratum of sand or gravel. Every farmer knows the fact, that many plants «• ill grow only in certain soils; and his art consists... | |
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The productiveness of soils must likewise be influenced by the nature of the subsoil, or the earthy or stony strata on which they rest ; and this circumstance ought to be particularly attended to, in considering their chemical nature, and the system of... 
