单词 | weed control |
释义 | > as lemmasweed control weed control n. elimination or control of weeds, esp. using weedkiller. ΘΚΠ the world > food and drink > farming > cultivation or tillage > reclamation > [noun] > clearing land > weeding or weed control weedingOE louking1491 weeding out1558 averruncation1656 runcation1664 thistling1766 weeding process1834 weed control1908 weed digging1950 1908 H. L. Bolley Weeds & Methods of Eradication (Govt. Agric. Exper. Station N. Dakota Bull. No. 80) (subtitle) Weed control by means of chemical sprays. 1973 Sci. Amer. Sept. 74/2 For row crops..the self-propelled Zapper is presently economic only when chemical weed-control costs are higher than $15 per acre. 2005 Grow your Own Dec. 45/1 Walnut trees..release a chemical called juglone, which inhibits the growth of nearby plants. It is a form of natural weed control commonly called allelopathy. < as lemmas |
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