. Horticulture; a text book for high schools and normals, including plant propagation; plant breeding; gardening; orcharding; small fruit growing; forestry; beautifying home grounds; the soils and enemies involved. alfa, millet or wheat. The smothercrop must be seeded densely to accomplish this end. Seed Laboratories to Control Weeds.—Seed laboratories havebeen established in nearly all the states for the control of the weednuisance. Regulations and laws are published which fix the stand-ard for purity of seeds sold in the state, as well as standard forgermination. Samples are examined in the
. Horticulture; a text book for high schools and normals, including plant propagation; plant breeding; gardening; orcharding; small fruit growing; forestry; beautifying home grounds; the soils and enemies involved. alfa, millet or wheat. The smothercrop must be seeded densely to accomplish this end. Seed Laboratories to Control Weeds.—Seed laboratories havebeen established in nearly all the states for the control of the weednuisance. Regulations and laws are published which fix the stand-ard for purity of seeds sold in the state, as well as standard forgermination. Samples are examined in the laboratories and badlots of seed are condemned. Farmers and gardeners are able to choose seeds which havebeen tested for both purity and germination. Too often the sower WEEDS AND GRASSES IN ORCHARDS 351 is the chief cause for the spread of weed seeds. Much care must beexercised to prevent spreading weeds. Losses from Weeds.—There are several sources of loss due toweed growth. (1) They rob the crop of the plant food which itneeds; (2) they use the moisture which the crop should use; (3)they crowd and strangle the crop; (4) they often poison soils andmake them unsuitable for the crops. Fig. 249 Fig. Fig. 249.—Black Mustard: 1, top of plant; 2, seedling; 5, seed small and enlarged.(Minnesota Station.)Fig. 250.—Five-Finger; 1, top of plant; 2, seedling; 3, seedling somewhat older; 4, separateleaf; 5, seed enlarged. (Minnesota Station.) It may be said that weeds are beneficial in some respects. Theycause the owner to till the soil when otherwise he might neglectit. Some are good for feeding pigs or other stock, prickly lettuce(Fig. 247), pig weeds and others are relished by swine. Weeds and Grasses in Orchards.—It has already been shown inthis volume that orchards should have a cover crop started aboutthe middle of July or first of August. The purpose of this is tocheck the wood growth of the trees and cause them to ripen there 352 CONTROL OF WEEDS wood and buds rea
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Keywords: ., bookcentury1900, booksubjectfruitculture, booksubjectgardening
