Agriculture has depended on sharpened tools for thousands of years, long before the development of machinery or even the widespread use of metal. Early farmers needed ways to clear vegetation, prepare soil, maintain crops, and gather harvests. Simple stone blades eventually gave way to bronze and iron tools, followed by specialized steel tools designed for particular crops and working conditions. Axes, sickles, knives, and hoes remained common agricultural tools for centuries, while the development of animal-drawn plows and mechanical harvesting equipment gradually changed how much land could be worked. Alongside these larger implements, the pocketknife became an indispensable companion for farmers and livestock workers, with several familiar patterns developing from the everyday demands of agricultural life.

Some of the earliest evidence of agricultural cutting techniques comes from a period long before established farming communities appeared. Archaeological discoveries at Ohalo II, a roughly 23,000-year-old settlement near the Sea of Galilee in present-day Israel, include flint blades showing wear consistent with harvesting wild cereals. Microscopic examination revealed a distinctive polish produced by cutting grain stems, along with traces suggesting that some blades had been mounted in handles. These tools were used by hunter-gatherers collecting naturally growing grasses, thousands of years before the domestication of wheat and barley. By the Natufian period, approximately 15,000 to 11,700 years ago, composite sickles made from small flint blades secured in bone or wooden handles had become more common in the Levant. The curved profile of these cutting edges allowed workers to gather stalks and slice through them with a pulling motion.

As farming spread across the Near East and into surrounding regions, harvesting tools became a regular part of agricultural life. Ancient Egyptian farmers used wooden sickles fitted with sharpened flint inserts to cut wheat and barley along the Nile. Although copper and bronze were available, flint remained a common sickle material in Egypt for thousands of years. Iron eventually became more widely used during the first millennium BCE, allowing blacksmiths to forge curved cutting edges from a single piece of metal. Metal sickles could be repaired and repeatedly sharpened, and their general shape would remain familiar across many different agricultural cultures.

Before crops could be planted, however, land often needed to be cleared. Trees, brush, and dense vegetation presented considerable obstacles to the expansion of early farming settlements. Stone axes had existed for hundreds of thousands of years, but the creation of polished stone axe heads during the Neolithic period provided farmers with tools suited to felling trees and working timber. Across prehistoric Europe, polished stone axes were used for land clearing, woodworking, and construction, and suitable stone for axe making was soon being quarried and traded.

Bronze axe heads soon appeared in various forms throughout the ancient world, while iron eventually became a common material for agricultural and woodworking tools. A full-sized axe could fell trees, split logs, and remove larger obstacles, while shorter-handled hatchets were useful for trimming branches, preparing stakes, and performing smaller tasks around a farm. In woodland areas, they were also used to cut timber for fences, shelters, carts, and the handles of other tools. As forging techniques improved, blacksmiths developed axe heads with different profiles and edge geometries for felling, splitting, and hewing.

Clearing vegetation was only the first stage of preparing land for cultivation. Early farming communities relied heavily on digging sticks, hoes, and other handheld implements to break the soil and create planting areas. Some tools used pointed wooden ends, while others relied on stone or metal blades that could chop through roots and loosen compacted earth. Hoes became particularly useful for working smaller plots, cultivating between established plants, and removing weeds. Their designs varied widely according to local soil conditions and agricultural practices. In regions where crops were grown in small gardens or on steep terrain, hand cultivation remained practical even after larger farming societies adopted animal-drawn equipment.

The development of the plow allowed farmers to work larger areas using the pulling power of domesticated animals. Early plows, often called ards or scratch plows, were relatively simple wooden tools that opened shallow furrows without fully turning the soil. Drawn by oxen or other draft animals, they loosened the ground and created planting channels. Ards were used in ancient Mesopotamia, Egypt, and other agricultural regions, with their construction differing depending on the materials available and the type of land being cultivated. The addition of iron cutting points and plowshares increased their ability to penetrate harder ground and withstand repeated contact with stones and roots.

Over time, plow designs became increasingly specialized. Iron plowshares were used in ancient China, where soil-turning designs were developed well before the appearance of Europe's fully developed medieval heavy plow. In northern Europe, heavier soils encouraged the adoption of plows able to cut and turn deep furrows. The heavy plow incorporated several working components, including a coulter to make a vertical cut through the soil, a plowshare to cut beneath it, and a moldboard to lift and turn the loosened earth. Some designs also used wheels to control working depth and support their weight. By the Middle Ages, heavy plows had become common across many parts of northern Europe, where their construction suited the region's dense, moisture-retaining soils.

Plowing frequently left large clods of earth that required additional work before planting. Harrows were developed to break apart these clumps, level the surface, and cover newly sown seed. Early examples used wooden frames fitted with pegs or teeth, dragged across a field by people or animals. Iron teeth later provided greater durability and better penetration, especially in firmer ground. Harrows generally worked closer to the surface than plows, disturbing the upper soil rather than cutting and overturning deep furrows. As agricultural equipment developed, different harrow designs emerged for particular conditions, including spike-tooth, spring-tooth, and disc harrows. Disc harrows used rotating metal discs to slice through crop residue and break up soil, while toothed versions loosened and leveled the surface with a dragging or stirring action.

Throughout these developments, farmers continued to rely on handheld cutting tools for jobs that larger equipment could not perform. Agricultural knives were used to cut stems, remove unwanted growth, harvest produce, and prepare plant material for planting or storage. The form of the knife depended heavily on the crop. Short blades offered greater control when harvesting delicate plants, while longer and heavier knives were better suited to fibrous stalks and thick vegetation. Some knives had straight edges similar to ordinary utility knives, while others used curved or hooked profiles designed to catch and pull through plant material.

American agriculture developed similar cutting tools for crops such as corn and tobacco. Before mechanical corn harvesting became widespread, farmers used large corn knives to sever stalks near the ground, allowing them to be gathered into bundles or shocks for drying. These knives often resembled short machetes, with broad steel blades and wooden handles capable of withstanding repeated chopping. Tobacco knives served a related purpose, although their shapes varied considerably. Some resembled small hatchets mounted on long wooden handles, while others used curved blades for cutting stalks and clearing unwanted growth. Tobacco harvesting also involved specialized piercing tools known as tobacco spears, which were attached to wooden sticks and used to thread harvested stalks for hanging and curing.

Grafting and budding knives developed alongside these pruning tools, serving a more specialized role in fruit and plant cultivation. Grafting is when sections of plants are joined so that they can grow together, often allowing a desirable fruit-producing variety to be grown on a separate rootstock. The process requires clean, closely matched cuts, and traditional grafting knives commonly use straight blades with a flat side to help produce a controlled cutting surface. Budding knives are used for inserting individual buds beneath the bark of a host plant, with some designs incorporating a rounded or specialized tip for lifting the bark without damaging the underlying wood. These specialized knives were already being used in European horticulture by the early modern period, and nineteenth-century agricultural catalogs offered numerous variations for professional growers.

Mechanical reapers gradually became more practical as manufacturing techniques improved and replacement parts became easier to obtain. By the 1850s, growing numbers of American farmers were adopting horse-drawn reapers and mowing machines, particularly in regions with large grain-producing fields. The moving cutting bars used in mechanical reapers became a regular feature of agricultural machinery, with the same basic reciprocating action appearing in later mowers and harvesting equipment.

As livestock farming expanded, manufacturers developed pocketknife patterns specifically tailored to cattlemen and ranch workers. Among these was the cattle knife, a relatively large folding pattern typically built on a broad equal-end handle. Cattle knives often contained multiple blades, combining a general-purpose cutting edge with a spey blade, sheepsfoot, punch, or other implements useful for working with livestock and maintaining equipment. The leather punch was particularly useful for repairing harnesses, straps, and tack, while the spey blade featured a rounded profile for castrating and spaying livestock, as a pointed blade could cause unintended injury.

For farmers who preferred a simpler pocketknife, the Sod Buster offered a different approach. The pattern came from traditional European working knives and became closely associated with agricultural life in the United States. Unlike the multi-blade Stockman, the Sod Buster typically used a single broad blade housed in a straightforward handle without the decorative bolsters common to many other traditional pocketknife patterns. Its blade provided plenty of cutting edge for everyday chores, while the simple construction kept manufacturing costs relatively low. Wooden handles were common on earlier examples, with synthetic materials becoming increasingly popular during the twentieth century.

Livestock care also involved knives developed for specific tasks, particularly the care of horses and other hoofed animals. Hoof knives were used by farriers and livestock workers to trim loose or excess hoof material and clean areas of the hoof that required attention. Their short, curved blades provided greater control when working around the sole and frog, with different shapes available for right-handed, left-handed, or specialized use.

One development in powered cultivation came from Australian inventor Arthur Clifford Howard, who began experimenting with rotary tillage in 1912. Howard developed a system of rotating blades that could break up soil mechanically, eventually refining the design into a practical rotary hoe. His early machines used a rotating shaft fitted with cutting blades that entered the earth repeatedly as the machine moved forward. By the 1920s, Howard was producing powered rotary hoes, and his work eventually led to the widespread use of equipment marketed under the Rotavator name. Rotary tillers became useful for preparing garden beds, cultivating smaller fields, and incorporating organic material into the soil. Larger tractor-mounted versions expanded the same principle into commercial agriculture.

The twentieth century also brought substantial changes to the materials and manufacturing methods used for agricultural blades. Improved steel alloys, controlled heat treatment, and standardized production helped manufacturers produce more consistent cutting edges and replaceable working parts. Hardened steel discs, plowshares, cultivator sweeps, and mower blades could be manufactured for particular combinations of wear resistance and toughness. Industrial production also made it practical to replace individual blades and soil-working components as they wore down, rather than repairing an entire implement. Agricultural cutting equipment increasingly became part of a larger mechanical system, with replaceable components designed around specific machines and working conditions.

Handheld knives have also continued to develop alongside modern agricultural machinery, with improvements in stainless steels, synthetic handle materials, and manufacturing techniques. Traditional pocketknife patterns such as the Stockman, Sod Buster, and Hawkbill remain commonplace in manufacturers' catalogs. In orchards and vineyards, workers still regularly use handheld cutting tools to trim individual plants, remove unwanted shoots, and prepare grafts. However, even these tasks are becoming increasingly mechanized, with powered pruning shears and other specialized equipment helping workers manage larger growing operations.