Show factors making for weed seeds in soil get control by draining and summer fallowing following Fal lowing the length of time weed seeds remain vital depends on a number of factors such as having an olly oily coat like wild mustard seed the kind of soil and the depth to which the weed seeds are plowed seeds may be a long time in heavy soils where they are below the point of germination seeds of any kind need air moisture and heat beat to start germination which usually obtains in the top two or three inches of the soil below five inches of soil too many vital weed seeds may be found which when they are brought up to the surface spring into life and grow the use of summer fallow and hoed crops are the best agencies in controlling weeds r or horse tall Is a non flowering plant Is perennial and spreads by spores instead of seeds it grows more frequently in damp or springy sour soils but also grows on high well drained places as along railway banks too much of it in hay fed to horses has caused trouble getting the soil better drained and summer fal lowing the land infested will hold it in control where green moss is seen forming on the surface of the land one may be sure it Is a sign of sourness and it needs lime in some form to sweeten it t some ground limestone Is the cheapest of lime to use |