FIELD CROPS. 333 



winter wheat made on August 7, 14, 21 and 28, and September 4, gave yields 

 decreasing as sowing was deferred. The first sowing of Dawson Golden Chaff 

 yielded 30 bu. jier acre, and the last sowing 8* bu. Turkey Red wheat sown 

 at the rate of 2i bu. per acre matured earlier and gave a greater yield than 

 that seeded at any lower rate. Spring wheat on timothy sod averaged 36 bu. 

 15 lbs. per acre, as compared with an average yield of 28 bu. 48 lbs. for the 

 same varieties on corn and root land, and matured in 6 days less time. Oats 

 seeded at the rate of 3 bu. per acre produced an average yield of Go bu. 10 lbs., 

 at the rate of 3i bu., 66 bu. 6 lbs., and at the rate of 4 bu., 57 bu. 12 lbs. In 

 case of oats sown on Ai)ril 15. 21 and 28, and May 5, the larger yields were 

 obtaineil from the sowings of the two later dates. On both packed and un- 

 packetl soil, oats seetled at the rate of 22 bu. per acre excelletl in yield those 

 seeded at the rate of 2 bu. per acre. The packed soil yielded at an average rate 

 of 85 bu. 8 lbs. per acre, as compared with a yield of (58 bu. 30 lbs. on unpacked 

 soil. The soil tested " is a heavy vegetable mold in most places inclining to 

 clay " with limited sandy areas, and of a generally loose texture due to a large 

 percentage of hiunus. An application of manure at the rate of 20 tons i)er acre 

 decreased the yield by 12 bu. 12 lbs. on one plat and increased it approximately 

 8 bu. on another, as compared with their respective check plats. A similar 

 conflict of results followed the application of 10 tons. With direct applications 

 of 20 tons and of 10 tons of manure per acre to Mensury barley the period re- 

 quired for maturing decreased about 3 days, and the yield decreased 16 bu. 12 

 lbs. in each case. Successive sowings of 2 and 6 row barleys at intervals of 1 

 week beginning April 17, produced maximum results in each case from the sow- 

 ings made on the earliest date. Alfalfa grown on land inoculated by sowing 

 soil at the rate of 100 lbs. per acre produced nearly 3 times as great a yield as 

 was obtaiuHl from uninoculated land. The advisability of inoculating red 

 clover is also indicated. 



At Lethbridge, on the nonirrigated farm, an average Increased yield of 2 bu. 

 8 lbs. of wheat per acre was apparently obtained from back-setting as compared 

 with the yields obtained from breaking without back-setting. Successive sow- 

 ings of wheat at intervals of about 2 weeks, from August 15 to December 1, 

 showed a yield of 54 bu. per acre from the sowing made September 1, an 

 increase of more than 7 bu. per acre over that sown August 15, and of 15 bu. 

 per acre over that sown September 10. Seeding at rates of 15, 30. 45 lbs., etc.. 

 per acre up to 120 lbs., gave maximum results from 75 lbs. per acre in case of 

 winter wheat, and from 105 and 90 lbs., respectively, in case of spring wheat 

 and oats, while on the irrigated farm seedings of 60 and 75 lbs. of spring wheat, 

 75 lbs. of oats, and 60 lbs. of barley, gave the best results. Good results were 

 obtained from the inoculation of alfalfa by sowing soil, from sowing 5 to 30 lbs. 

 per acre of seed, and with various clovers and grasses. 



Beports on experiments with some new nitrogenous manures on oats, 

 hay. potatoes, mang'el and sugar beet, R. A. Berry ( West of Scot. Agr. Col. 

 Ann. Riit.. {1909). pi>. l'>-31). — This series of experiments is a comparison of 

 the value of lime nitrogen, lime nitrate, and basic lime nitrate, with nitrate of 

 soda and sulphate of ammonia as sources of nitrogen. 



Eight' plats planted to oats showed no advantage in applying lime nitrogen 

 alone, and less advantage in applying it in combination with other mineral 

 fertilizei's than was derived from the same amount of nitrogen in nitrate of 

 soda in the same mixture. Other plats with the same crop showed very 

 little difference between the results of an application of 100 lbs. of nitrate of 

 soda and the same amount of niti'ogen in lime nitrate, but the same amounts 

 of nitrogen in basic lime nitrate and lime nitrogen gave lower results approx- 

 imately equal to each other. 



