 | P | (1) |
| Pacific silver fir | (1) |
| Packaging produce in trays at the central warehouse | (1) |
| Packer feeding of cattle | (1) |
| Packing California vine-ripe tomatoes | (1) |
| Paper birch | (1) |
| Parental selection by computer | (1) |
| Partial drying of poultry manure using in-house air | (1) |
| Partitioning financial returns | (1) |
| Part-time farming | (1) |
| Past growth of yellow-poplar and oak reproduction key to future | (1) |
| Pasture productivity of crested wheatgrass as influenced by nitrogen fertilization and alfalfa | (1) |
| Pathogenic specialization in cereal rust fungi | (1) |
| Paul A | (1) |
| Peach production east of the Rocky Mountains | (1) |
| Pea diseases | (1) |
| Pendulum impact tests of wooden and steel highway guardrail posts | (1) |
| People with farm earnings | (1) |
| Percolation testing for septic tank drainage | (1) |
| Performance of commercial dent corn hybrids in Indiana | (1) |
| Performance of sheets made from cottons of different length and strength | (1) |
| Performance of small hammer and roller mills for grinding livestock feed | (1) |
| Performance of winter-planted small-grain cultivars on the high plains of New Mexico | (1) |
| Performance records of woody plants in the Secrest Arboretum | (1) |
| Personal property taxes levied on farmers | (1) |
| Perspectives of biochemical plant pathology | (1) |
| Peru | (1) |
| Pesticide application equipment owned by farmers | (1) |
| The pesticide problem | (1) |
| Phase converters for operation of three-phase motors from single-phase power | (1) |
| The phenology and growth habits of pines in Hawaii | (1) |
| The Philippines | (1) |
| The photo-choice method for recreation research | (1) |
| Photoelectric color sorting of citrus fruits | (1) |
| Photoelectric color sorting of vine-ripened tomatoes | (1) |
| Photographic documentation of vegetational changes in Africa over a third of a century | (1) |
| A photo guide to the patterns of discoloration and decay in living northern hardwood trees | (1) |
| Physical and chemical changes associated with the development of lowbush blueberry fruit Vaccinium angustifolium Ait | (1) |
| Physical distribution of oak strip flooring in 1969 | (1) |
| The physical limnology of Cayuga Lake | (1) |
| Physical properties of alpine snow as related to weather and avalanche conditions | (1) |
| Physicians and physician services in rural Washington | (1) |
| Pilot study of the use of pulpwood chipping residue for producing particleboard in Maine | (1) |
| The Pinchot Institute system for environmental forestry studies | (1) |
| A place to live | (1) |
| Planning natural resource development | (1) |
| Planning single-span skylines | (1) |
| Planning the integrated use of ground and surface water | (1) |
| Planning your home lighting | (1) |
| Plant diseases | (1) |
| Plant morphogenesis as the basis for scientific management of range resources | (1) |
| Plants of South Dakota grasslands | (1) |
| Plasma testosterone levels of beef bulls | (1) |
| Poisonous plants of the Midwest & their effects on livestock | (1) |
| Ponderosa pine bibliography through 1965 | (1) |
| Ponds for water supply and recreation | (1) |
| Pooling by Florida citrus cooperatives following the 1962 freeze | (1) |
| The poor | (1) |
| Population change in South Dakota small towns and cities | (1) |
| Population change in West Virginia with emphasis 1940-1960 | (1) |
| Population change of counties and incorporated places | (1) |
| Population changes in Tennessee from 1930 to 1970 | (1) |
| Population changes in Tennessee since 1930 | (1) |
| Population characteristics | (1) |
| Population density relationships between hymenopterous parasites and their aphid hosts | (1) |
| Population growth and redistribution | (1) |
| Population growth and redistribution in Mississippi | (1) |
| Population models to appraise the limitations and potentialities of Trichogramma in managing host insect populations | (1) |
| Population models to test theoretical effects of sex attractants used for insect control | (1) |
| The population of Connecticut | (5) |
| The population of New Hampshire | (1) |
| Population trends of Georgia cities and towns | (1) |
| Poria incrassata rot | (1) |
| Pork in family meals | (1) |
| Portugal's tomato processing industry | (1) |
| Postharvest decay of peaches as affected by hot-water treatments | (1) |
| Potatoes and sweetpotatoes | (2) |
| Potential agricultural production and resource use in Iowa | (1) |
| Potential beef and veal supplies and cattle and calf prices | (1) |
| Potential evapotranspiration and climate in Alaska by Thornthwaite's classification | (1) |
| Potential growth of the southern pine plywood industry | (1) |
| Potential mechanization in the flue-cured tobacco industry | (1) |
| The potential of lignin research | (1) |
| Potential role of sterilization for suppressing rat populations | (1) |
| Potential solar beam irradiation on slopes tables for 30Ûp0Ûs to 50Ûp0Ûs latitude | (1) |
| Potential supply and replacement of rural males of labor force age | (1) |
| Poultry grading manual | (1) |
| The poultry processing industry | (1) |
| Power and equipment on farms in 1964 | (1) |
| Powered bulk scooping in potato storages | (1) |
| Power sprayers and dusters | (1) |
| Power to produce | (1) |
| Precipitation in New York State | (1) |
| Precipitation probabilities in Wyoming | (1) |
| Predicting quality of stored soybean oils | (1) |
| Predicting seed yield of alfalfa clones | (1) |
| Preferential trade arrangements of foreign countries | (1) |
| Preliminary economic analysis of the Ozark Gateway district | (1) |
| Preliminary evaluation of new candidate materials as toxicants | (1) |
| Preliminary work in developing sawbolt grading systems for white oak | (1) |
| Preparative techniques and tissue-selection criteria for in vitro culture of healthy and rust-infected conifer tissues | (1) |
| Preparing herbarium specimens of vascular plants | (1) |
| Preparing statistical tables | (1) |
| Preparing sweetpotatoes for market | (1) |
| Preventing and controlling internal parasites of hogs | (2) |
| Price and production trends in agriculture | (1) |
| Price control programs | (1) |
| Price differentials for complete feeds | (1) |
| The price of white pine stumpage and lumber during the movement of New Hampshire sawmills into and out of production | (1) |
| Price related risk in the cattle-beef sector | (1) |
| Prices | (1) |
| Prices and consumption of dairy products with price supports and milk orders | (1) |
| Prices and price spreads for eggs | (1) |
| Prices and spreads for apples | (1) |
| Prices and spreads for potatoes | (1) |
| Prices and volumes of livestock sold in West Virginia auction markets | (1) |
| Prices of Indiana farm products | (1) |
| Pricing milk and dairy products | (1) |
| Pricing performance in marketing fresh winter carrots | (1) |
| Pricing systems for eggs | (1) |
| Principal soils of Iowa | (1) |
| Probabilities of sequences of wet and dry days in Iowa | (1) |
| The problem of agricultural surpluses and deficits in the Near East | (1) |
| Procedures for the in vitro assay of viruses and antibody of avian lymphoid leukosis and Marek's disease | (1) |
| Proceedings | (2) |
| Processing feed ingredients | (1) |
| Production | (1) |
| Production and export of corn and rice in Brazil | (1) |
| Production and trade prospects for Argentine oilseeds and products | (1) |
| Production & germination of paper birch seed and its dispersal into a forest opening | (1) |
| Production labor requirements in southern rice mills | (1) |
| Production of beef cattle in the Southeast | (1) |
| Production of seedless watermelons | (1) |
| Production planning and inventory control system for feed manufacturers | (1) |
| Productivity of diverted cropland | (1) |
| Productivity of labor in agricultural production | (1) |
| Products of American forests | (1) |
| Profile distribution of zinc | (1) |
| A profile of disabled household heads and spouses in rural areas of the Ozarks region | (1) |
| A profile of the rural poor in the northeastern coastal plain of South Carolina | (1) |
| Profiles | (1) |
| Profiles of California vegetation | (1) |
| Profitability of participation in the 1962 feed grain program in the Corn Belt | (1) |
| Programmed profit analysis for sausage manufacturing | (1) |
| The projected effects of water resource development on land use and crop production costs in the White River Basin | (1) |
| Project fire scan fire detection interim report | (1) |
| Projecting Iowa's outdoor-recreation needs to 1980 | (1) |
| Projection of milk supply | (1) |
| Projections of demand for housing by type of unit and region | (1) |
| Propensity for change among the rural poor in the Mississippi Delta | (1) |
| Properties of tree barks in relation to their agricultural utilization | (1) |
| Property tax trends affecting Georgia agriculture | (1) |
| Prospects for agricultural trade with the USSR | (1) |
| Prospects for agriculture in the Caribbean | (1) |
| Protecting perishable foods during transport by motortruck | (1) |
| Protecting the forests from fire | (1) |
| Protecting woolens against clothes moths and carpet beetles | (1) |
| Protection of rail shipments of fruits and vegetables | (1) |
| Pruning ornamental shrubs and vines | (1) |
| Public access to public domain lands | (1) |
| Publications of the Northeastern Forest Experiment Station 1950-1965 | (1) |
| Publications on Chinese agriculture prior to 1949 | (1) |
| The pulp and paper industry in the Northeast | (1) |
| Pupae of the weevil tribe Anthonomini (Coleoptera | (1) |