O C»\ -2, O 
These exfekiments, it is trie, aee kot east; still thkt are ik the power of evert 
tiiinkinci husbandman. he who accomplishes but one, of however limited aprlication, and 
takes care TO KEPOET IT FAITHFULLY, ADVANCES THE SCIENCE, AND, CONSEQUENTLY, THE PRACTICh 
OF AGRICULTURE, ANT) ACQUIRES THEREBY A RIGHT TO THE GRATITUDE OF HIS FELLOWS, AhT) OF THOSE 
lYHO COME AFTER. TO MAKE MANY SUCH IS BEYOND THE POWER OP MOST INDIVLDUALS, AND CANNOT 
BB EXPECTED. THE FIRST CARE OF ALL SOCIETIES FORMED FOR THE IMPROVEMENT OF OCR SCIENCE 
SHCJI.D BE TO PREPARE THE FORMS OF SUCH EXPERIMENTS, AND TO DISTRIBUTE THE EXECUTION OF 
THESE AMONG THEIK MEMBERS. 
VoN Thaer, Princi^iles of Agriculture, 
LONDON: riUNTED BY WXUJAM CLOWES AND SONS, UUrrsD, STAUFOBD STREEr 
AUD CUAIUNO CBOS8. 
