A review of the work of the Experimental Farms . present in excess, tend toproduce a superabundant growth of straw or vine to the delay ofripening. These crops, therefore, need more phosphates, hence dowell after some forage crop has taken up the excess of free nitratesfound after sod. In the light of these points, it is evident that agood rotation for a system of mixed farming will include (i) meadow 28 29 or pasture land, (2) roots or corn and (3) some cereal crop; and for agrain cropping system, the growing of leguminous crops from timeto time to be turned under as green manure. At the Cent
A review of the work of the Experimental Farms . present in excess, tend toproduce a superabundant growth of straw or vine to the delay ofripening. These crops, therefore, need more phosphates, hence dowell after some forage crop has taken up the excess of free nitratesfound after sod. In the light of these points, it is evident that agood rotation for a system of mixed farming will include (i) meadow 28 29 or pasture land, (2) roots or corn and (3) some cereal crop; and for agrain cropping system, the growing of leguminous crops from timeto time to be turned under as green manure. At the Central Farm, it has been demonstrated by Mr. Grisdale,who was Agriculturist for twelve years, that various combinationsmay be safely adopted. The natural aim of his experiments has beento determine (i) the comparative values of rotations as soil impro-vers, and (2) their relative suitability for different lines of farming. Side by side, year after year, at the Central Farm, variousrotations have been followed in plots of equal size. From immediate. Harvesting oats at the Central Farm. crop returns and for other reasons, Mr. Grisdale, after an experienceof twelve years, pronounces favourably upon the following five yearsystem :— First year.—Land ploughed in August, well worked, ribbed inOctober; seeded next spring to oats, and 10 Ibs. clover sown peracre; allowed to grow one year and turned under as a fertilizer for•corn. Second year.—Manure, applied in winter or spring, 25 tons ; shallow ploughed, corn planted. Third year.—Grain, seeded down, 8 Ibs. red clover, 2 Ibs. alsike,10 to 12 Ibs. timothy per acre. Fourth year.—Clover hay, two crops expected. Fifth year.—Timothy hay. Other rotations tested are almost equally valuable, particularsregarding which are fully given in the Experimental Farms AnnualReports. 30 Then, again, rotations have been worked out for various systemsof farming, as, for example, with hogs as a leading factor or with sheepas the chief st
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