Newton's lantern slide catalogue (1920s)

214 NEWTON & CO., Ltd., Lantern Slide Publishers. EFFECT OF MANURES— Continued. 65 If enough yard space is not available, part of the Dutch barn may be used 60*Effects of Storage of Farmyard Manure on yield of Potatoes 67*Lo88es of nitrogen from Cow Manure stored loosely 68 Worst way of storing Dung. Open to wind and rain 59 Useful type of Dungstead for Dairy Farms 60 Good Hay Plants. If the herbage is mainly like this, and in addition there is a good deal of clover, it is proof that the conditions are satisfactory 61 Poor Hay Plants. Signs that something is wrong. Yorkshire fog Indicates wetness or sourness, downy oat and quaking grass indicate poverty 62 Good Pasture Plants. Showing that conditions are satisfactory 63 Poor Pasture Plants, indicating that the conditions are not good. Rush indicates wet- ness, Bent indicates unsuitability for root development. Hawkbit and 'J^efoil show poverty 64*Effect of Artificial Manures on yield and com- position of hay 65*Effect of Slag on Grass Land. &c. 66*Average increase In live weight of Sheep, &c. 67*Broadbalk Wheat 68 Comparison of Nitrate of Soda and Ammonium Salts on Wheat 69*Wheat. Broadbalk yield. Comparison 70*Barley. Total produce showing residual effect of Dung and no Manure in relation to the dunged plot 71*Effect of Mineral Manures on yield of Barley 72*Mangolds. Effect of various Mineral Manures 73* „ Effect of addition of Mineral Manure to Dung with various Nitrogenous (>os8 Dressings 74*Effect of the various Mineral Constituents with and without Nitrogen on the produce of ' Hay per acre 75*Effect of Nitrogenous Manures on produce of Hay per acre 76*ComparatIve effect of Clover or Bare Fellow on the succeeding crops in rotation 77*Crop8 grown in rotation. Relative yield on Ma- nured and Unmanured Plots in the earlier and later years of the Ex- periment 78 Liming of Land. 79 Table—Application of Manures. 80 Varying Quantities of Manures. 81 Sainfoin in Sand. Experiment. 82 ,, „ „ ,, Details of roots. 83 Table. Digestibility and Manure Values. 84 Pit Experiment with White Clover. 85 Clover Dodder. *D.enotes that full details are shown on the Slide. BC POTATO DISEASE. Beauifiully Painted, 65. Qd.; Plain Photographs, 2s. each. The first four slides in this set are direct photographs of experiments made by the Warminster County Councils. 1 Plot of Potatoes, October, 1892, sprayed with Sulphate of Copper and Lime Dressing, 160 gallons to the acre, in July and August 2 Plot of Potatoes, October, 1892, not dressed 3 1 Perch of Potatoes (Imperators), half perch dressed, and half perch not dressed, October, 1892 4 Heaps of Potatoes, showing actual results of above experiments. Dressed, 209 lbs., Undressed, 177 lbs. 6 Sections of diseased and healthy Potatoes, and surfaces of diseased and healthy leaves 6 Fungus on Leaf, Perono^ora m/esfans. Vert. Sect. ADDITIONAL SLIDES. t Messrs. Newton will send, particulars of 24 supplementary slides on Potato Disease. The slides have been prepared from a series of new and original negatives. BE KITRIFYING ORGANISMS IN SOILS. Plain Photographs^ 25. each» Photo-Micrographs by Prof. S. Winogradsky, of St. Petersburg. 1 Nitrous organism in soil from Zurich (Zooglosa stage) X 1,000 2 Nitrous organism in soil from Zurich (Zoogloea stage) X 1,000 3 Nitrous organism in soil from Zurich (mobile stage) X 1*000 4 Nitrous organism in soil from Java X LOGO 5 Nitrous organism in soil from Java (mobile stage), X hObO 6 Nitrous organism in soil from Kazan Russia X 1,000 7 Nitrous organism in soil from GennevilJjers (grown untsilied jelly) X 1,000 6 lliirous organism in soil from Quito (Coccus X £.'^00, 9 orirari'S''’ soil from Quito X 1.0^ 10 Nitric organism'in soil from St. Petersburg 11 Nitric organism in soil from Bonn BXZ THE MANUFACTURE OFCHILEAN NITRATE OF SODA. Messrs. Newton are indebted to the Chilean Nitrate Committee for permission to publish an interesting set of Slides visualizing the varied stages from the opening up of the Nitrate Fields and the different processes through which it passes in the factory to the shipment of this useful fertiliser to all parts of the world. Plain Slides, 2s. each. BFO THE NORWEGIAN NITRATE INDUSTRY. Illustrating the production of Nitrate of Lime. Printed Notes can be supplied with the Slides. Full details of the above two sets will be found in “ Industries,” Section 7 of this Catalogu e For other sets of Slides published byTind'permission of the Chilean Nitrate Committee see p. 210.