New Releases by Howard Porter

Howard Porter is the author of Chemical Treatments of Crop Seeds in Lebanon (1959), Laboratory Manual for Botany of Seed Plants (1956), Maté (1950), Recent Developments in Seed Technology (1949), Crop Development in Paraguay (1947).

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Furthur Experiments with the Iowa Air Blast Seed Separator for the Analysis of Small-seeded Grasses

Current School and College Education in Agriculture for Iowa Farmers

Current School and College Education in Agriculture for Iowa Farmers
"The successful market hog produce plans a production program which best fits his farm conditions. He maintains efficient breeding stock, Through good swine management he endeavors to keep his losses from parasites and disease at a minimum. He produces pork at low cost by following efficient and economical feeding methods. He plans for pasture as part of his farm program to lower his cost of production . Above all, he is a man who likes hogs." -- p. [179]

Testing Farm Seed

Testing Farm Seed
Iowa is a major crop- and seed-producing area. More acres of corn and oats are grown in Iowa than in any other state, and most of the seed of these crops for Iowa farmers is produced within the state. Furthermore, in 1943 over 95 percent of the corn acreage was planted with hybrid seed, and over 60 percent of the oat acreage was planted with seed of new rust-resistant varieties. Other seed crops of importance in Iowa are soybeans, bluegrass, timothy, wheat, flax, bromegrass, red clover, sweet clover, sudan grass, sweet corn, watermelon and sorghum. The yield and quality of a crop harvested each year is dependent in part on the quality of seed that is planted and the only way to know the quality factors of purity, vitality, weed seed content and sanitation is to test seed prior to planting. The purpose of this bulletin is to provide teachers and farmers with information about the need for clean seed and methods of testing seed with special emphasis on determination of pure seed, identification, of weed and crop seeds, germination tests and use of seed disinfectants for the control of molds that cause disease.

Testing the Quality of Seeds for Farm and Garden

Hemp Production Experiments

Hemp Production Experiments
"The successful market hog produce plans a production program which best fits his farm conditions. He maintains efficient breeding stock, Through good swine management he endeavors to keep his losses from parasites and disease at a minimum. He produces pork at low cost by following efficient and economical feeding methods. He plans for pasture as part of his farm program to lower his cost of production . Above all, he is a man who likes hogs." -- p. [179]

The Family at the Eucharist ... Twelve Lessons, Etc. (Short Course Lesson Series. Senior.).

The Viability and Germination of Seeds of Convolvulus Arvensis L. and Other Perennial Weeds

Our search for God. [A course of lessons chiefly on the New Testament.] For senior groups and classes

Experiments with Modified Techniques for the Determiniation of Purity and Viability of Bluegrass Seed, Poa Pratensis L.

Experiments with Modified Techniques for the Determiniation of Purity and Viability of Bluegrass Seed, Poa Pratensis L.
The two Minnesota towns couldn''t be more different: in affluent Barron, a powerful and secretive scientific research corporation enriches its residents, while downriver in blue-collar St. Croix, victims of that company''s carcinogenic waste struggle to survive. The bad blood between the communities escalates into open warfare when the beautiful Ashlynn, daughter of the corporation''s president, is found shot dead--and a St. Croix girl, Olivia Hawk, is accused of the crime. Olivia''s father, Christopher, a Minneapolis lawyer, comes to defend his daughter and uncovers some ugly truths that endanger the residents of both towns.

Indexing Farmers' Seed Lots for Seed-borne Organisms and Response to Seed Disinfectants

Analysis of Factors Conditioning Learning in General Psychology [A Thesis Submitted to the Faculty of the Graduate School of the University of Minnesota, by Howard Porter Longstaff, ...].

Analysis of Some Factors Conditioning Learning in General Psychology....

The Resistance and Physiological Reaction of Strains of Cucumbers to Mosaic

A Comparative Study of Mental and Educational Measures Including an Analysis of the Speed and Accuracy Factors

A Study of Phomopsis Vexans (Sacc. & Syd.) Harter on Eggplant ...

The Influence of Different Systems of Check Rows in Computing Yields of Corn in Ear to Row Tests ...

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