t62 &LEANiNGSINBEE CULTURE December, 1922 



E, ,>;■: nI"^ hubamasafarm crop ,„ ";'"", JLYed 



ber issue I eu- with a cover 



vantages and Saves d Year in Crop Rotation thoroughly p r e- 



value of Hubam pared soil and 



to the beekeep- clipped off with 



er. In this article By Edw. A. Winkler ^j^^ ^.j^^^^j. ^j^^^^ 



I tell some of the grain was 



the advantages and value of Hubam to the cut, made even a better growth than Hubam 



farmer. seeded alone, some fields standing up to the 



Hubam Saves a Year in Crop Rotation. shoulders in eight weeks after the clipping 



It has been thoroughly demonstrated here ^^ harvest and maturing seed, 



this year that the principal argument in fa- It took nerve to begin with seed at $10 



vor of Hubam against biennial sweet clover per pound, and at last spread out to more 



is that Hubam can be plowed under sue- t\\&i\ 1000 acres of good farm land. But the 



cessfully in the fall of the same year in farmers around here in this county, who 



which it is seeded in grain or can be pas- once turned a deaf ear to the new annual 



tured, used for a seed crop, cut for silage or legume, are now moved to an inquiry which 



even made into very palatable legume hay js likely not to end short of placing Hubam 



ranking very closely to alfalfa, and then "i every part of this county, 



plowed under in tins same year. Its Great Fertilizing Value. 



Size of the Root System. The late Dr. C. G. Hopkins of Illinois 



It has been the contending opinion of State University at Urbana, Illinois, em- 

 some agricultural journals thpt Hubam has phasized the fact that 6.4 tons of dry sweet 

 not as large a root system as the biennial. clover matter furnish as much humus-form- 



This year I had one field of 15 acres of ing material and as much nitrogen as would 



Hubam alone broadcast on one side of a be furnished by 25 tons of the average farm 



fence, and on the opposite side were 10 manure. 



acres of Grundy County biennial. It was Nitrate nitrogen experiments, conducted 



very noticeable that the stocks and roots of in 1919 at the State University and printed 



Hubam were almost as large as those of the in Bulletin Xo. 233, give the important fact 



biennial field. The Grundy County is an that approximately one ton (water-free ba- 



early-blooraing and harvesting type usually sis) of spring growth of sweet clover tops 



cut for seed about July 1. Just next to this (which Avould be fall growth of Hubam), 



field, on the same kind of soil, were eight together with the roots and fall residues, 



acres of Hubam in oats. It seems that the furnished as much nitrate as 19.8 tons of 



rooting of Hubam is larger following grain, average farm manure. 



the stock being clipped off with the grain, Hubam planted broadcast yields over four 



nnd the Hubam having the whole field to tons of dry matter per acre, equal to nearly 



itself seems to grow sturdier and with a 80 tons of farm manure, if plowed under, 



longer and larger root. The Hubam roots The following table from the findings of 



in the oat field were much larger than the Iowa Station will show more clearly 



those of the biennial. the advantage of Hubam over all other le- 



TABLE I — COMPARATIVE YIELPS OF HUBAM AND OTHER LEGUMES FOLLOWING OATS — 1921. 



Yield Av. length plants Av. length plants 



Legume. (tons per acre) June 29 (inches) . Oct. 4 (inches) . 



Hubam Clover 2,07 25 42 



Bi. Wht. Swt. Clover 1.85 18 22 



Bi. Yel. Swt. Clover 1.56 18 22 



Alfalfa 1.14 7 19 



Medium Red Clover 95 6 12 



Mammoth Clover 92 6 10 



Alsike Clover Poor stand 4 8 



*TABLE II — COMPARISON OF NITROGEN RETURNED TO SOIL BY HUBAM AND OTHER 



LEGUMES. 



Per cent 

 nitrogen water- 

 Pounds water-free material per acre. Per cent free basis. Lbs. nitrogen per A. 



of roots Leaves Water-free basis. 



Leaves and to total and Leaves and 



, Roots ^ Stems. weight. Roots. Stems. Roots. stems. Total. 



Hubam 1664.0 3784.0 30.54 2.48 2.43 41.25 91.95 133.20 



Bi. Wht 1451.3 3381. S 30.03 2.86 2.90 41.51 98 07 139.58 



Med. Red 827.8 1736.6 32.28 2.29 3.43 18 96 59.57 78.53 



*i)etailed report of experimental methods used is not included because of lack of space. It has been 

 mimeographed and is available for agronomists and others interested. 



TABLE HI — ANALYSES OF HUBAM AND BIENNIAL WHITE SWEET CLOVER. 



Per cent Per cent 



nitrogen- Per cent ether extract 



Per cent protein, free extract. crude fiber. (crude fat). Per cent ash. 



Hubam Clover 14.32 39.06 33 76 1.79 5.27 



Biennial Wlit. Swt. Clover.. 12.94 32.11 38.31 1.16 5.59 



