Very Early.--Bunyip, Florence, Firbank. Early.--Comeback, Thew, Steinwedel. Mid-season.--Bobs, John Brown, Cedar, Warren, Federation, Bayah, Rymer. Late.--Jonathan, Marshall's No. 3, Zealand, Yandilla King, Cleveland, Huguenot. Very Late.--Hayne's Blue Stem. In respect of time of sowing the varieties mentioned above were recommended in inverse order. Just as the farmer is advised as to the most suitable varieties of wheat for his district, so experiments are conducted to ascertain the most useful quantity of manure, and full particulars made available in the agricultural gazettes or journals which are published in the different States, as well as being made available in bulletin form. The question of manuring is a very important one to the wheatgrower, as it influences the yield greatly in most of the principal areas, if not all. As Australian wheat soils possess abundance of nitrogen and sufficient potash, but are mostly deficient in phosphoric acid, the manure chiefly used on the wheatfields is superphosphates. There are some localities where further experiment is required to definitely ascertain the most suitable fertiliser, but in the main superphosphate is the requirement, and practically the only manure used. This has been the course proved most satisfactory by practical experience in wheatgrowing, and careful experiment also with nitrogenous, pathonic, and phosphate manures, singly and combined. Superphosphate has proved superior to bonedust or basic slag; sulphate of potash has not increased the yield, while nitrogenous fertilisers, such as dried blood or sulphate of ammonia, have proved either useless or harmful. In New South Wales the quantity of superphosphate usually used is 56 lbs. per acre, and the same quantity is generally applied in Victoria, but in South Australia the dressings are much heavier, running from 1 cwt. to 2 cwts. per acre. In New South Wales experiments carried out clearly prove that larger quantities, say, 84-112 lbs. to the acre, do not result in bigger yields being obtained, while the still heavier quantities, 1-1/2 to 2 cwt., have actually resulted in poorer yields. In Victoria about 56 lbs. of superphosphate to the acre is also the usual thing, but the amount used averages probably from 56 to 84 lbs.; the drier districts require less, and the wetter districts more, than these amounts. Remarkable results are obtained from such small dressings as 30 lbs. of superphosphate. In South Australia heavier dressings of superphosphate are used than in the other States. Wheatgrowing in South Australia was, in fact, revolutionised and changed into a most profitable business through the introduction and general practice of using this artificial fertiliser. [Illustration: WITH AUSTRALIAN STRIPPER HARVESTERS WHEAT IS HARVESTED, THRESHED AND PUT INTO THE BAG FOR 8 TO 10 CENTS PER BUSHEL.]