AGRICULTURE 
631.55 
.552 
553 
554 
-555 
826 
J) 
Q 
~ 
st 
cHA 
cH 
57 
58 
581 
582 
583 
584 
585 
586 
587 
eR 
Harvesting 
These nurubers treat of the material operations of harvesting. Class anything 
about a definit crop under its special number; e. g. 633.11 Wheat crop. See 
1ls0 631.56 for preparation of crop for market, 636.085 for preparation of food 
for cattle, etc. For farther preparation of agricultural products not usually 
done by the farmer at the present day, see the various divisions of commerce, 
technology and manufactures 
Mowing 
Hay making, stacking, etc. 
Reaping 
Corn harvesting 
Harvesting other special crops 
For cutting and felling trees see 634.9 Forestry 
Fruits, nuts, etc. 
Legumes: peas, beans, etc. 
Root crops and tubers 
Fiber crops: flax, hemp, cotton picking 
Sugar cane, etc. 
Saps, gums, resins, etc. 
Other crops 
Operations subsequent to harvesting 
See note under 631.55 
Preparing grains 
Threshing, etc. 
Husking corn, etc. 
Shelling corn 
Cleaning, etc. 
Winnowing 
Sorting, sifting 
Washing (roots, tubers, etc.) 
Storing 
Cutting green fodder and filling silos 
Packing 
Baling 
Packing in baskets, boxes and barrels 
Transport 
In general libraries preferably clast under 380 or 656 
Special methods 
Fallowing 
Crop rotation 
Intensiv farming 
Catch crop culture 
Dry farming Deep soil culture 
Irrigation farming 
Application of special forces 
Electro culture 
Radio “