Show in northern sections with severe cold ot of alfalfa and clover that seem to be pr presents e examples contradictory dr A J deters explained to a gathering ot of seeds men rece recently antly doctor Pl eters who Is one of the forage crop specialists of the alie united states department of agriculture in discussing the adaptation of alfalfa and clover to climatic extremes an and d in resistance to diseases said imported seed was as a rule inferior to native teed reed and that strains successful in one region in the united states were to be recommended only for other regions having approximately the ahme extremes of temperature temperature pera ture averages are of small service as guides lie he said ile he also emphasized siz ed the important role which arow fall plays in the wintering or of and clover particularly in the northern see sections eions where winters are severe we need to know the lowest temperatures pera tures said doctor Pl eters not only that but we need to know whether these low temperatures will reach the plant when plants are covered during winter under a heavy blanket of snow the cold recorded by the weather bureau may never react reach them in the northeast low temperatures are usually accompanied by heavy snowfalls snowballs snow falls so that these low temperatures do not operate effectively on plants at the ground level As an illustration italian clover at chatham in the northern peninsula or of michigan has never winter killed so much as it has near lansing midi mich or in ohio though the air temperatures at chatham are much lower the snowfall begins early and the plants are protected by several foet feet of snow during the entire period of 0 severe weather |