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- Soybeans: Culture and Varieties.
- Describes soybean varieties and how to grow them.
- Summer crops for green manure and soil improvement.
- Examines varieties of summer crops that improve soil and green manure; describes different methods of green-manuring.
- Drying forage by forced ventilation.
- Discusses different systems of forced-air ventilation as a means of harvesting and drying forage crops.
- Inoculation of legumes and nonlegumes with nitrogen-fixing and other bacteria.
- Describes methods of artificial inoculation of legumes with beneficial bacteria for the purpose of improving root development.
- Strawberry Clover.
- Describes the growth of strawberry clover in fields, its benefits and tolerance, and steps for planting, cultivating, and seed production.
- Soybean Production for Hay and Beans.
- Describes the production of soybean plants for both soybean-hay and soy beans themselves. Discusses storage and marketing practices.
- Clover failure.
- Describes clover culture and examines the reasons for its decline. Discusses the benefits of increased efforts in reviving clover culture.
- Peanut growing.
- Describes the steps farmers should take when growing peanuts, including preparing the soil, planting, cultivating, and harvesting.
- 8 steps in grading soybeans : under revised standards, effective September 1, 1949.
- An explanation of the process used by U.S. federal grain inspectors to grade soybeans. Factors include odor, weevil or garlic infestation, moisture, weight per bushel, foreign material, mixed colors, splits, and damage.
- Keel petal incision: a simple and efficient method for genetic crossing in Medicago truncatula
- Article on keel petal incision and a simple and efficient method for genetic crossing in Medicago truncatula.
- Red-clover culture.
- Describes the uses of red clover for forage and as a soil-improving crop in the northeastern United States. Includes information about distribution, handling, and pest control.
- Soybeans for Feed, Food, and Industrial Products.
- Describes the versatility of the soybean as a crop, including its use for pasturage, animal feed, hay and straw, soil improvement, industrial purposes, as oil, as fertilizer or insecticide, as a honey crop, and for human food products. Includes instructions for growing and processing soybeans. Also includes instructions for preparing soy milk and soy curd (tofu).
- Bur Clover
- This report discusses the cultivation of bur clover, which is an annual legume that serves as a winter cover crop and as pasturage. The best practices for and uses of bur clover are discussed in detail.
- Velvet Beans
- This bulletin describes the velvet bean, which is a legume useful in the southern United States for feeds and fertilizers. Topics discussed include varieties, planting practices, hay, feed production, and insect enemies.
- Horse Beans
- This bulletin discuss the horse bean (or fava bean), which is a legume cultivated widely in many nations and holds great potential as a crop along the Pacific and Gulf Coasts of the United States.
- The Soy Bean: Its Culture and Uses
- This bulletin discusses soybean cultivation and the uses of soybeans. Soybeans may be used in mixtures, hay, pastures, silage, and as fertilizing agents through crop rotation.
- Grain Farming in the Corn Belt with Live Stock as a Side Line
- "This bulletin is written to suggest to the corn-belt farmer of the Middle West -- especially the farmer whose soil has been run down by continuous grain farming -- some ways of coordinating and 'cashing in' the scientific advice offered him in hundreds of bulletins already published.... Briefly, these are the conclusions reached by our most successful corn-belt farmer and agricultural experts: To make a money-maker of a farm that has become a losing proposition through steady grain farming you must in addition to raising standard grain crops -- (1) Grow legumes, (2) Raise live stock as a side line, (3) Keep accounts of receipts and expenditures, (4) Mix horse sense with scientific agriculture, (5) Try to secure enough capital to enable you to farm right, (6) Stick to whatever policy you adopt long enough to try it out, and (7) Confer with your County Agent and make a careful study of the bulletins of the United States Department of Agriculture." -- p. 1-3.
- Molecular and Functional Characterization of Medicago Truncatula Npf17 Gene
- Legumes are unique among plants for their ability to fix atmospheric nitrogen with the help of soil bacteria rhizobia. Medicago truncatula is used as a model legume to study different aspects of symbiotic nitrogen fixation. M. truncatula, in association with its symbiotic partner Sinorhizobium meliloti, fix atmospheric nitrogen into ammonia, which the plant uses for amino acid biosynthesis and the bacteria get reduced photosynthate in return. M. truncatula NPF1.7 previously called MtNIP/LATD is required for symbiotic nitrogen fixing root nodule development and for normal root architecture. Mutations in MtNPF1.7 have defects in these processes. MtNPF1.7 encodes a member of the NPF family of transporters. Experimental results showing that MtNPF1.7 functioning as a high-affinity nitrate transporter are its expression restoring chlorate susceptibility to the Arabidopsis chl1-5 mutant and high nitrate transport in Xenopus laevis oocyte system. However, the weakest Mtnip-3 mutant allele also displays high-affinity nitrate transport in X. laevis oocytes and chlorate susceptibility to the Atchl1-5 mutant, suggesting that MtNPF1.7 might have another biochemical function. Experimental evidence shows that MtNPF1.7 also functions in hormone signaling. Constitutive expression of MtNPF1.7 in several species including M. truncatula results in plants with a robust growth phenotype. Using a synthetic auxin reporter, the presence of higher auxin in both the Mtnip-1 mutant and in M. truncatula plants constitutively expressing MtNPF1.7 was observed. Previous experiments showed MtNPF1.7 expression is hormone regulated and the MtNPF1.7 promoter is active in root and nodule meristems and in the vasculature. Two potential binding sites for an auxin response factors (ARFs) were found in the MtNPF1.7 promoter. Chromatin immunoprecipitation-qRT-PCR confirmed MtARF1 binding these sites. Mutating the MtARF1 binding sites increases MtNPF1.7 expression, suggesting a mechanism for auxin repression of MtNPF1.7. Consistent with these results, constitutive expression of an ARF in wild-type plants partially phenocopies Mtnip-1 mutants’ phenotypes.
- The future of legume genetic data resources: Challenges, opportunities, and priorities
- This article is a commentary on the future of legume genetic data resources and summarizes the workshop held in March of 2019 by the Legume Genomic Data Working Group that addressed questions of data resources and priorities for legumes.
- A modified aeroponic system for growing small-seeded legumes and other plants to study root systems
- Authors of the article state that various growth systems are available for studying plant root growth and plant–microbe interactions including hydroponics and aeroponics. The aim of their study is to present step-by-step instructions for fabricating an aeroponic system, also called a “caisson,” that has been in use in several legume research labs studying the development of symbiotic nitrogen fixing nodules, but for which detailed directions are not currently available.
- Engineering isoflavone metabolism with an artificial bifunctional enzyme
- Article on engineering isoflavone metabolism with an artificial bifunctional enzyme.
- Effective Haying Equipment and Practices for Northern Great Plains and Inter-Mountain Regions.
- Describes best practices and equipment for handling hay in a cost-effective manner.
- Experiment Station Work, [Volume] 75
- Bulletin issued by the U. S. Department of Agriculture compiling selected articles from the Agricultural Experiment Stations. This bulletin contains articles on: Garden Sweet Peas, Winter-Flowering Sweet Peas, Southern Bur Clover, Type of Sheep for Southwest, and Combating Flies.
- Farm Practice in the Use of Commercial Fertilizers in the South Atlantic States
- Report discussing the use of fertilizers on the more important soils of the South Atlantic States in the growing of staple farm crops. Factors which influence the use of commercial fertilizers such as crop rotation, legumes, and manure are discussed. In addition, methods for fertilizing cotton, corn, oats, wheat, and cowpea are discussed.
- Soil Conservation
- This bulletin "makes clear the situation that confronts us in view of the fact that practically all the more desirable farm land in the country has been brought under cultivation; and that to meet the increasing demands for food stuffs, improved methods of farming must be used. such methods must be employed as are best adapted to the conservation and maintenance of soil fertility. To these ends there are discussed some of the more important factors determining the improved methods of farm management that must soon be generally adopted." -- p. 2
- The Peanut
- "It is the purpose of this bulletin to give full cultural directions for growing [peanuts], together with some of the uses of the peanut." -- p. 6. Topics discussed include soil preparation, fertilizers, seed selection, and varieties.
- Lespedeza, or Japan Clover
- Report discussing the uses of and practices for cultivating lespedeza (also known as Japanese clover).
- Building Up a Run-Down Cotton Plantation
- "This paper is an account of the progress made in three years in changing a run-down cotton plantation into a profitable stock and hay farm. The results obtained from the use of cowpeas and other leguminous crops in restoring the fertility of the land have exceeded the expectations of those in charge of the work." -- p. 5
- Cover Crops for Soil Conservation
- "Cover crops are crops sown or planted in thick stands for the purpose of protecting and enriching the soil.... That the use of cover crops is a most efficient means for preventing soil erosion and increasing soil fertility is well known; yet this practice is not nearly so widely and extensively followed as it should be. The kinds of cover crops that should be used and the method of utilizing them to the best advantage varies in different regions, according to climatic conditions but almost everywhere cover cropping in some form can be profitably followed." -- p. 1. The bulletin considers cover crops as either legumes or non-legumes.
- Experiment Station Work, [Volume] 63
- Bulletin issued by the U. S. Department of Agriculture compiling selected articles from the Agricultural Experiment Stations. This bulletin contains articles on: Sterilizing Tobacco Plant Beds, Clover Growing, Curing Clover Hay, the Velvet Bean, Draft Horses, and Care of Mares and Foals.
- Experiment Station Work, [Volume] 5
- Bulletin issued by the U. S. Department of Agriculture compiling selected articles from the Agricultural Experiment Stations. This bulletin contains articles on: Humus in Soils; Swamp, Marsh, or Muck Soils; Rape; Velvet Bean; Sunflowers; Winter Protection of Peach Trees; Subwatering in Greenhouses; Bacterial Diseases of Plants; Grape Juice and Sweet Cider.
- Experiment Station Work, [Volume] 17
- Bulletin issued by the U. S. Department of Agriculture compiling selected articles from the Agricultural Experiment Stations. This bulletin contains articles on: Distilled Drinking Water, Soil Inoculation, Treatment of Sandy Soils, Lime as a Fertilizer, Fertilizers for Market-Garden Crops, Pecan Culture, Weed Destruction, Maple Syrup and Sugar, Value of Cotton Seed, Alfalfa Silage, Forage Crops for Pigs, Grazing Steers, and Type of the Dairy Cow.
- Forage Crops for the Cotton Region
- Report discussing the grasses, legumes, hay crops, pasture crops, and other forage crops which grow in the Gulf Coast region of the United States. Among the more profitable crops discussed are velvet bean, beggarweed, Mexican clover, Japan clover, and Bermuda grass.
- Cowpeas: Culture and Varieties
- Report discussing the cowpea, a leguminous crop often grown in the Southern United States. Topics discussed include its several varieties, fertilizers, methods of sowing, and diseases.
- Alsike Clover
- Report discussing the distribution and cultivation of the leguminous crop alsike clover, which grows primarily in the northeastern United States. Topics discussed include soil requirements, seeding, uses, and insect enemies and diseases.
- Cowpeas: Utilization
- Report discussing common uses of the cowpea and methods of cultivation which improve crop yields for these purposes. The cowpea may be used for seed, straw, hay, pasture, or soil improvement.
- Green Manuring
- "Green manuring means turning under suitable crops to enrich the soil. Such crops may be turned under green or when ripe. Green manuring adds organic matter and, directly or indirectly, nitrogen to the soil. Leguminous crops are most desirable for green manuring, since they add to the soil nitrogen gathered from the air in addition to the organic matter which they carry. Besides the nitrogen in the legumes turned under, an additional supply of nitrogen is fixed in the soil by the action of bacteria, using the carbon in the organic matter as a source of energy. Turning under an entire crop is advised only when the soil is poor and for the purpose of starting a rotation. Turning under catch crops or winter-grown green crops is an economical and successful method of supplying nitrogen." -- p. 2
- Seed Treatment of Thirty Species of Pasture Grasses and Legumes with Certain Du Pont Disinfectants
- This review has dealt primarily with the efforts of scientists to control certain smut diseases of grains. The principal reason for treating plant seeds is to obtain good stands of vigorous, healthy plants that will produce increased yields of superior seed.
- Legumes in Soil Conservation Practices.
- Describes measures for preventing soil erosion through the planting of legumes.
- Legume inoculation: what it is, what it does.
- Describes the methods and effects of inoculation through introducing legume bacteria into soil.
- The Soy Bean as a Forage Crop.
- Describes soybean varieties, how to grow and harvest them, and their uses.
- Alfalfa.
- A guide to growing and using alfalfa on the farm. Includes recommendations for different regions of the United States.
- Alfalfa Seed.
- A guide to judging and testing the quality of alfalfa seed.
- Celebrating 20 Years of Genetic Discoveries in Legume Nodulation and Symbiotic Nitrogen Fixation
- This article is a review cataloging and contextualizing all of the plant genes currently known to be required for SNF in two model legume species, Medicago truncatula and Lotus japonicus, and two crop species, Glycine max (soybean) and Phaseolus vulgaris (common bean). The authors also briefly consider the future of SNF genetics in the era of pan-genomics and genome editing.
- Phosphorus deprivation affects composition and spatial distribution of membrane lipids in legume nodules
- Article assessing membrane lipids in M. truncatula tissues using electrospray ionization–mass spectrometry. The results suggest that specific PC species may be differentially important in diverse nodule zones and cell types, and that membrane lipid remodeling during P stress is not uniform across the nodule.
- Lignin Modification Leads to Increased Nodule Numbers in Alfalfa
- Article on lignin modification leading to increased nodule numbers in alfalfa.