SUMMARY OF EXPERIMENTAL RESULTS 1979 GENERAL PHOSPHOROUS TRIALS

Contiuing trials Stock rate and level of Superhosphate on cyprus medic pasture 66M30 Rates of phosphorus, sulphur and stocking trial - cropping phase 68BR7 Maintenance P x S trials 65N5, 69WH15, 65A1, 65c6 Residual Value of Phosphorus 78M08, 78C4, 78MA2, 75LG26, 78M38 NEW TRIALS Crops N x P Trials 79NA11, 79NA12, 79NA13 Times of P on Lupins 79M030 Lupin and Oat Mixtures 79BA31, 79MT30 Methods Application and Cultivation of P on Wheat 79M1, 79WH1 Methods and Times of P on Wheat Old Land 79N1 Rates of Super on Wheat 79LG Rates of Super on Lupins 79GE PASTURES Rates of P, K and S on Pasture - Dandaragan 79M012, 79M013, 79M015, 79M017 Rates of P, K and S on Pasture – Lancelin 79M011, 79M018 Rates of P on Pasture – Newdegate 79N5, 79N6 Rates of P x Species on Pasture 79N05, 79JE

General phosphorus and sulphur trials

(A) Long Term Trials/Trial number: Super x Stocking Rate - 66M30. Super Sulphur and Stocking Rate - 68BR7. Maintenance P and S trials - 69E6, 68B1, 65A1, 65N5, 65C5, 69WH15 & 67N05. Continuous Cropping - 75LG26. Cropping Residual Value - 29M/148, 149. (B) Lupin Trials: Rate of P and S - 78A8, 78A9, 78BA9, 78BA10, 78C5, 78C6, 78E8, 78E9, 78WH7, 78WH8 & 78NA25. Current and Residual phosphorus - 75KA4. (C) Cereal Trials: Depth of Placement of P on Wheat - 78M38. Row spacing x P rates on Wheat - 78ME4. Current and Residual Nitrogen on Wheat - 77M033. (D) Pasture Trials: Times of application - 77BA38. Residual value - 77BA21, 78BA7, 77BA22, 77BA24, 78M010. Rates of Phosphorus - 78M011. P and S on irrigated pastures - 77HA10

Phosphorus and sulphur group

Long Term Trials Stocking and superphosphate trials - 66M30, 68BR7. Maintenance Phosphorus x Sulphur trials - 65A1, 65N5, 65C5, 69WH15, 68B1, 69AL3 and 67N05. Low Rainfall Crops and Pastures. Residual phosphorus trials - 76ES8, 75KA4, 75LG26 and 76NA5. Miscellaneous Cropping Trials. Rate of phosphorus on wheat - 77ES2, 77ME5, 77N03. N. P and seed rates on wheat - 77JE1. Row spacing, phosphorus and seed rate on wheat - 77ME6. Phosphorus on nitrogen build up - 77M033. Rate of super on old land lupins - 77A18 & 19, 77BA13 & 14, 77E20. Pasture Trials. Phosphorus and Sulphur on old land pasture - 77BA 17, 18, 19, 20, 21 , 22, 23 and 24. High Rainfall Pasture Trials. Current and residual phosphorus - 75AL5, 75DE5, 75DE7, 75BR13, 76BU13(a), 76KE10 and 76MA2. Phosphorus and Sulphur 1977 Phosphorus Soil Test Series - 77AL5, 77AL6, 77HA10, 77DE6 & 7, 77BR14, 15, 16, 17, 18 & 19, 77BU6 & 7, 77BY3

Phosphorus and sulphur interactions, 1978.

Yield results, 78AL3, 78KE4, 78M08, 78BY3, 78BA8, 78BU3, 78N04, 78A7, 78C4, 78B4, 78MA2. Soil sampling data

Potato technologies for improved food security and better income

United States Agency for International Developmen