Agriculture for beginners . seeds to come up the nextseason. In fact, only those seedsthat were too deeply buried in thesoil to come up the previous springwill be left, and of these two-year-old seeds many will not the next season some oldseeds will |)roduce plants, but thenumber will be very much dimin-ished. If care be exercised to prevent the pigweed fromseeding again, and the same watchfulness be continued fora few seasons, this weed will be almost entirely driven fromour fields. A plant like the pigweed, which lives only one year, iscalled an annual and is one of the easi
Agriculture for beginners . seeds to come up the nextseason. In fact, only those seedsthat were too deeply buried in thesoil to come up the previous springwill be left, and of these two-year-old seeds many will not the next season some oldseeds will |)roduce plants, but thenumber will be very much dimin-ished. If care be exercised to prevent the pigweed fromseeding again, and the same watchfulness be continued fora few seasons, this weed will be almost entirely driven fromour fields. A plant like the pigweed, which lives only one year, iscalled an annual and is one of the easiest weeds to Fig. 56. PicwKKi) 70 AGRICULTURE FOR BEGINNERS Mustard, plantain, chess, dodder, cockle, crab grass, andJimson weed are a few of our most disagreeable annual best time to kill any weed is when it is ver}- small;therefore the ground in early spring should be constantlystirred in order to kill the young weeds before they grow to be strong and hardy. The wild carrot dif- ^rtj^ -:- -^?- -r^^^:ii^^ fers from an annual in this way : it livesthroughout one wholeyear without produc-ing seeds. During itsfirst year it accumu-lates a quantity ofnourishment in theroot, then rests in thewinter. Throughoutthe following sum-^^2L T.^^^ I ^ mer it uses this nour- ishment rapidly toproduce its flowersand seeds. Then theplant dies. Plants that live through twoFig. 57. Wild Carrot ^^^^^^^ .^^ ^^-^ ^^.^^ are called biennials. Weeds of this kind may be destroyedby cutting the roots below the leaves with a grubbing-hoe orspud. A spud may be described as a chisel on a long handle(see Fig. 58). If
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
