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61. As we recall : the growth of agricultural estimates, 1933-1961 (id:CAT91968077)

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62. The future role of a crop model in large area yield estimating (id:30347)

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63. A within-year growth model approach to forecasting corn yields (id:46806)

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64. Within-year spring wheat growth models (id:30725)

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65. The development of within-year forecasting models for spring wheat (other than durum) (id:30171)

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66. The development of within-year forecasting models for winter wheat (id:30193)

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67. Some current research efforts to improve crop forecasting methods (id:27312)

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68. The development of objective methods to forecast dry bean yield (id:30173)

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69. A study of walnut production forecasting (id:46804)

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70. Papaya production forecast research project (id:30462)

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71. Preliminary report on the use of time related growth models in forecasting components of corn yield (id:30687)

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72. A comparison of several regression models for forecasting pecan yields (id:22163)

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73. The improvement of remote sensing technology and its application to corn yield estimates (id:30384)

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74. A millet and sorghum crop estimation program for Niger and Upper Volta (id:22168)

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75. Grain sorghum : a preliminary forecast model (id:30189)

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76. A study of sampling and estimating procedures for California cling peaches (id:46801)

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77. The Texas grain sorghum objective yield study (id:30343)

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78. Using objective measurements of plant and soil characteristics to forecast weight of grain per head for winter wheat (id:30686)

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79. Research report on the amount of agriculture associated with several incomplete sampling frames (id:28224)

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80. A study of the characteristics of the pecan tree for use in objective yield forecasts (id:46802)