Cultivation of Arable Land.—Potatoes. 605

But in the light forts of foil, dung in its more putrid reduced condition may be made ufe of with much propriety, as infuch cafes the mold is moftly in a fufficiently porous and open ftate, and they have rarely too much moifture re- maining upon them. A great variety of different forts of manure have been tried by experimenters in the culture of the potatoe; but thofe which have been juft defcribed feem to be the beft adapted to the crop*. Mr. Billingfly, how-

* The following comparative ftatement of the effeéts of different kinds of manure in the culture of this valuable root, has been given in a very able Report on the Cultivation of the Potatoe, drawn up by a committee of the Board of Agriculture.

Manure per Acre. Crop: Bufhels. Experiment, No. I. 53 Loads(cubical yards) farm-yard dung: a 400 160 Bufhels, foot. 360 160 Ditto, wood-afhes. é é c 9 240 32 Loads of dung c:°°. 280 42 Ditto:°=. C. 360 No manure 5 E:. 180 ExpreriMENT, No.II. 32 Loads of dung, and 40 bufhels of wood-afhes c 400 No manure ¢.‘ é° 280 160 Bufhels of flaked lime h é i i 380 14 Ton of barley ftraw:“:: 300 340 Buthels of pot-afh: 7 é c 380 32 Loads of dung: 2::: 400 32 Ditto, and 160lb. falt added at time of{preading c 400 32 Ditto, and 160 bufhels lime:‘: 480 32 Ditto, and 480 gallons urine. F. 520

In Mr. Young’s trials, the refults were thefe:

Firft Year. Second Year, No, 1. No manure, 2: G produced 120 bufhels per acre, 140 2. Night-foil, 10 waggon loads<:. 600.: 640 3. Ditto, 6 ditto‘: 9 i 650:: 500 4. Ditto, 2 ditto, 3 s= 500 A i 300 5. Bones, 10 ditto. 5° C 650 F. 640 6. Ditto, 6 ditto..°‘ 640.“ 560 4. Ditto, 2 ditto:< 560 E c 240 8. Hog dung, 60 one-horfe cart loads°‘ 480 A. 300 g. Ditto, 30 ditto A:-° 480;. 160 10. Yards compoft 60 ditto é°: 300:; 249 11. Ditto,| 120 ditto‘: F P 480:* 300 12, Ditto 30 ditto.;.; 140:° 140

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