 | Quality and performance of Pima S-1 and Pima S-2 cotton under different ginning conditions | (1) |
| Quality distribution of pallet parts from low-grade lumber | (1) |
| Quantitative color measurement for black walnut wood | (1) |
| Quantity indexes of U | (1) |
| The Quaternary of Illinois | (1) |
| Questionnaires for research | (1) |
| Railroad rate discrimination | (1) |
| Rain traps for intercepting and storing water for livestock | (1) |
| Range management practices | (1) |
| The rate of value increase for northern red oak | (1) |
| Rates and dates of seeding irrigated winter wheat under two nitrogen levels | (1) |
| Rearing cotton insect parasites in the laboratory | (1) |
| Recent fertility trends in Connecticut | (1) |
| Reclaiming gin-loss cotton | (1) |
| Reclamation of a sodium-affected soil with limited gypsum applications | (1) |
| Reclamation of strip mine spoil banks in Wyoming | (1) |
| Recommended plant names | (1) |
| Recreational buildings and facilities | (1) |
| Recreational carrying capacity | (1) |
| A redescription of the genus Parathelohania Codreanu 1966 (Microsporida | (1) |
| Reducing cooperative cotton ginning costs in Oklahoma | (1) |
| Reducing transport damage in top-iced shipments of fresh vegetables in bushel baskets | (1) |
| Reduction in the plant uptake of Sr-90 by soil management treatments | (1) |
| Refrigeration requirements for truck bodies | (1) |
| The regeneration of central Appalachian hardwoods with emphasis on the effects of site quality and harvesting practice | (1) |
| Regeneration of white spruce | (1) |
| Regional and sectoral analysis of the wheat-flour economy | (1) |
| Regional integration of the chemical fertilizer industry in Latin America | (1) |
| Regional location of production of major field crops at alternative demand and price levels | (1) |
| Regional research in nematode parasites of ruminants in the western United States | (1) |
| Regional resource use for agricultural production in California | (1) |
| Regional variations in economic growth and development | (1) |
| Regular hired farmworkers receiving perquisites in 1966 | (1) |
| REK-Fortran-4 system for combinatorial screening or conventional analysis of multivariate regressions | (1) |
| The relation of farm size and efficiency to economic outcomes on central Kansas farms | (1) |
| Removing stains from fabrics | (1) |
| Report on the agricultural trade negotiations of the Kennedy Round | (1) |
| Reproduction of upland hardwood forests in the Central States | (1) |
| The Republic of South Africa's agricultural trade | (1) |
| Republic of the Philippines | (1) |
| Residential density | (1) |
| Residential mobility of the population of Connecticut | (1) |
| Resistance of Lycopersicon species to the carmine spider mite | (1) |
| Resource areas of Texas | (1) |
| Resources of the Upper South Branch Valley | (1) |
| Response of ironweed and buckbrush to herbicides and to herbicides in combination with mowing | (1) |
| Response of seeded ranges to different grazing intensities in the ponderosa pine zone of Colorado | (1) |
| Responses and residues in sugarbeets | (1) |
| Restoring surface-mined land | (1) |
| Restricting the use of 2 | (1) |
| Restricting the use of phenoxy herbicides | (1) |
| Results of a 20-year test of hybrid poplars in West Virginia | (1) |
| Results of the first international winter wheat performance nursery | (1) |
| Review and comparison of site evaluation methods | (1) |
| A review and reclassification of larvae of the subfamily Hadeninae (Lepidoptera | (1) |
| A Review of soils research in tropical Latin America | (1) |
| Review of world rice markets and major suppliers | (1) |
| Revised estimates of taxes levied on farm real property | (1) |
| A revision of the Chelonus subgenus Microchelonus in North America | (1) |
| The Rhode Island food industry | (1) |
| Rice in the United States | (1) |
| Role of income and food costs in milk product use by Alabama urban families | (1) |
| Roofing farm buildings | (1) |
| Rural economic development conditions in the Delmarva Peninsula | (1) |
| Rural electrification in the United States | (2) |
| Rural homeowners' use of home mortgage credit in the Ozark Region | (1) |
| Rural housing | (1) |
| Rural housing in the northeast coastal plain area of South Carolina | (1) |
| Rural Indian Americans in poverty | (1) |
| Rural industrialization in the Ozarks | (1) |
| Rural industrialization in the southeast coastal plain | (1) |
| Rurality | (1) |
| Rural poor who could benefit from job retraining in the East North Central States | (1) |
| Rural poverty in three southern regions | (1) |
| Rural sociology in a changing urbanized society | (1) |
| Rural-urban population | (1) |
| The rust diseases of wheat | (1) |