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PART THREE—RECOMMENDATIONS ON FARMING PROBLEMS—continued 11. Condition of the Land — 1. Deterioration — Page (i) Causes .. .. .. .. .. .. 88 (ii) Fertilizer : Price .. .. .. .. .. 89 (iii) Fertilizer: Quantity Available .. .. .. .. 91 (iv) Development Plan .. .. .. .. 93 (v) Lime .. .. .. .. .. .. 95 (vi) Compost .. .. .. .. .. 95 (viij Cattle Stocking .. .. .. .. .. 93 2. Depletion—(i) Description .. .. .. .. .. 93 (ii) Causes .. .. .. .. .. .. 99 (iii) Developments Since 1920 .. .. .. .. .. 102 (iv) Depletion is Due to Low Rainfall .. .. .. .. 104 (v) Rabbits .. .. .. .. .. • • 104 (vi) Burning .. .. .. .. .. .. 105 (vii) Overstocking .... .. .. .. .. 105 3. Erosion .. .. .. .. .. .. . • 105 111. Production Difficulties—1. Pests — (i) Rabbits .. .. .. .. .. . ■ 106 (ii) Pigs .. .. .. .. .. .. .. 106 (iii) Canadian Geese .. .. .. .. .. .. 106 (iv) Keas .. .. .. .. .. .. .. 107 (v) Opossums .. .. .. .. .. .. 107 (vi) Deer .. .. .. .. .. .. .. 108 (vii) Other Pests .. .. .. .. .. .. 108 (viii) Ammunition .. .. .. .. .. .. 108 2. Weeds .. .. .. .. .. .. .. .. 109 3. Access Roads .. .. .. .. .. .. 113 4. Snow Losses in High Country .. .. .. .. .. 114 5. Aerial Top-dressing .. .. .. .. .. .. 116 6. Fences .. .. .. .. ... .. . • • • 117 7. Irrigation .. .. .. .. .. •• ..119 8. Trespass . . .. .. .. .. .. • • 120 9. Dredges and the Mining Act .. .. .. .. .. 12 ) 10. Dispersal of Studs .. .. .. .. .. .. 121 11. Training of Learners in Shearing .. .. .. .. .. 121 12. Research—(i) Still-born Lambs .. .. .. .. 321 (ii) Trace Minerals .. .. .. .. .. .. 121 (iii) Rabbit-destruction .. .. .. .. .. 122 (iv) Timber-preservation .. .. .. .. .. 122 (v) Tussock Insects .. .. .. .. .. .. 122 (vi) Pasture Plants for High Country .. .. .. .. 122 (vii) Blowfly Strike .. .. .. .. _.. .. 122 (viii) Deforested Beech Country .. .. .. 123 (ix) Experimental Station for East Coast Areas .. .. .. 123 (x) New Strains of Low-fertility demanding Grasses .. .. 123 (xi) Manuka Blight .. .. .. .. .. .. 123 (xii) Weed-destruction .. .. .. .. .. 124 (xiii) High-country Experimental Station .. .. .. 124 (xiv) Kikiyu-grass .. .. .. .. .. .. 125 (xv) Weight of Seed Sown .. .. .. .. 125 (xvi) Worms .. .. .. .. .. .. 125 (xvii) General Survey .. .. .. .. .. .. 125 13. Importation of Weed-seeds .. .. .. .. .. 125 14. Land-tax .. .. .. .. .. .. .. 126 15. Income-tax—-(i) Deductible Allowances for Maintenance .. .. .. 126 (ii) Contributions for Roading .. .. .. .. 127 (iii) Planting of Trees .. .. .. .. .. 127 (iv) Flood Damage .. .. .. .. .. .. 127 (v) New Fencing .. .. .. .. .. .. 127 (vi) Rabbit Fencing .. ..... .. .. .. 127 (vii) Losses .. .. .. .. .. .. .. 127 (viii) Averaging of Incomes for Taxation Purposes .. .. 127 (ix) Farmers' Breeding-stock should be Capital Stock .. .. 128