What's the difference between seeder and weeder?

Seeder


Definition:

  • (n.) One who, or that which, sows or plants seed.

Example Sentences:

  • (1) Groups of 5-24 chicks in isolators were exposed to C. jejuni-contaminated water or colonized seeder chicks.
  • (2) Results of the examination of caecal contents from untreated control birds indicated that the challenge organism was successfully established in contact chicks via the seeder birds.
  • (3) Each group was challenged with Salmonella infantis through contact with infected seeder birds and numbers of salmonellae in the caecal contents were determined weekly.
  • (4) Headley could have been sentenced to death if convicted of the most serious charges – conspiracy to bomb public places in India and six counts of murdering US nationals in India – but Seeder said the death sentence was "off the table" if Headley continued to co-operate.
  • (5) A seeder bird technique was used to challenge experimental and control birds with Campylobacter jejuni biotype 2 (broiler origin).
  • (6) Lungworm-infected seeder calves were used on two 1.41 ha paddocks to ensure that groups of 11 susceptible trial calves would be exposed to heavy early season challenge with Dictyocaulus viviparus.
  • (7) These seeders are also hand held making them suitable for use in smaller fields.
  • (8) A total of 18 deaths occurred including 13 untreated contact birds, 3 Broilact-treated contact birds and 2 seeder birds.
  • (9) The individual-bird challenge test system appeared to yield a more precise measurement of protection than the seeder-bird system and indicated that trypticase soy broth is as effective as VL broth for anaerobic culture of the protective microflora.
  • (10) In each of the individual trials, birds exposed to coccidiosis via the feed had significantly (P is less than 0.5) higher incidence of light to severe histological lesions that those exposed via "seeder birds" or contaminated litter.
  • (11) Contamination of the pasture was established by experimentally infected seeder calves.
  • (12) The International Maize and Wheat Improvement Centre has developed a low-till seeder, ideal because soil scientists advocate not breaking the structure of the soil at the top as a way to improve water retention and reduce erosion.
  • (13) Lungworm-infected seeder calves were used on four 1.41 ha paddocks to ensure that groups of 11 calves would be exposed to a heavy challenge with Dictyocaulus viviparus.
  • (14) For her part, Ross describes herself as "a seeder, a builder" and seems to delight in her role as a patron of the arts, someone who can seek out talented individuals and make them an offer they can't refuse.
  • (15) Three seeder birds were placed in each group of 60 birds.
  • (16) "He has provided significant help to the United States and aided other countries," said Seeder.
  • (17) Statistical analysis with direct seeding (seeder birds; severe coccidial exposure) showed that feed levels of 84 and 102 ppm gave maximal improvement of weight gain and 4-week feed conversion, respectively.
  • (18) His attorney, Robert Seeder, said after the hearing that Headley's decision to talk was "a manifestation and example of his regret and remorse" and was not based solely on the fact he would avoid a possible death sentence.
  • (19) Randomly selected boxes of treated and untreated (control) chicks were taken to the laboratory and challenged with either Salmonella infantis or Salmonella enteritidis (PT4) using the seeder bird technique.
  • (20) Contamination of pens with Eimeria meleagrimitis, E. adenoeides, and E. gallopavonis was accomplished by the infected seeder bird technique.

Weeder


Definition:

  • (n.) One who, or that which, weeds, or frees from anything noxious.

Example Sentences:

  • (1) It is clear that all references to it which were in the files released on Friday have been obscured by Whitehall's weeders.
  • (2) Women are in a difficult position as both planters and weeders of maize and as caretakers of the ill AIDS patients.
  • (3) We can just start to build these things.” He thinks smaller-scale machines, such as laser weeders and drones, will have broader appeal than large-scale harvesting and sowing technology on farms today.
  • (4) Many of the files are redacted, with passages recently removed by Whitehall weeders.
  • (5) Official weeders have taken out some pages and passages, partly to protect the name of informants.
  • (6) Most patches and hand washes from applicators and weeders contained measurable amounts of glyphosate.
  • (7) The applicators, weeders, and scouts monitored all wore normal work clothing, which for applicators was a protective suit, rubber gloves and boots.

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