Here's another source for all kinds of agricultural info...
"The Core Historical Literature of Agriculture
(CHLA) is a core electronic collection of agricultural texts published between the early nineteenth century and the middle to late twentieth century. Full-text materials cover agricultural economics, agricultural
engineering, animal science, crops and their protection, food science,forestry, human nutrition, rural sociology, and soil science. Scholars have selected the titles in this collection for their historical importance."
For instance, here's an entire book I found on how to raise pigs. Just the table of contents are shown here. This could come in very handy when the price of gas is $10 a gallon. At that price, you'll have to grow your
own food or starve...