CELPIP Reading Part 3Reading for Information Practice

A. Farmers traditionally broadcast seed by throwing it across prepared ground and then covering it with a separate operation. Wind, uneven hand movements, and rough soil could leave some areas crowded while others received very little seed. A seed drill opened narrow furrows, released seed in a controlled path, and covered it during one passage. Placing seed at a more consistent depth improved its chance of reaching moisture without being buried too deeply. Within development and operation of early seed drills, the result is a system in which structure, timing, and local conditions remain closely connected throughout continuing development.

B. A wheel turning across the field powered a metering device connected to a hopper filled with seed. Openings or rotating parts released small quantities instead of allowing the entire load to fall freely. Tubes guided the seed downward behind points that cut several parallel furrows in the soil. Following parts pressed or swept earth over the rows, protecting seed from drying and from some feeding birds. Observations of opening furrows and metering seed show why the same process may appear somewhat different from one site to another as surrounding conditions continue to change.

C. Regular rows made it easier to recognize crop seedlings and remove unwanted plants between them. Farmers could also direct tools through the spaces without disturbing as many young crops. More even placement sometimes reduced the quantity of seed required to obtain a useful stand. However, straight rows changed field routines and worked best where soil had been prepared enough for the mechanism to pass. Understanding development and operation of early seed drills therefore requires attention to both immediate effects and slower forms of change within the whole connected system.

D. Early drills were costly, unfamiliar, and imperfectly suited to every seed size or local soil type. Clogged tubes and inaccurate meters could leave gaps that remained hidden until plants emerged. Manufacturers later added adjustable openings, improved ground-following parts, and mechanisms for different crops. Modern planting machines are far more precise, but they retain the linked tasks of opening, metering, placing, and covering. For adoption challenges and later refinement, this wider context prevents one striking feature from being mistaken for the whole story during a quick first inspection.

E. Not given in any of the above paragraphs.