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Soybean Inoculant Quality, J. L. Sims, E. C. Lacefield, Lloyd W. Murdock

Agronomy Notes

Research studies have shown that from 40 to 80 percent of the nitrogen required for a soybean crop comes from nitrogen fixed in the nodules, depending on the degree of nodulation and the level of soil nitrogen. Hence, it is important that soybean plants be well-nodulated for most efficient soybean production.

The Effects Of Swathing Wheat On The Date Of Harvest, Yield And Seed Quality, Dennis M. Tekrony, Alan Phillips, Ted Howard

Agronomy Notes

In 1975 approximately 350,000 acres were double-cropped using small grain and soybeans in Kentucky. Due to the low acreage of winter barley (48,000 acres) most of the soybeans were either planted by no-till or conventional means following winter wheat. The major problem with winter wheat in a double-cropping system is that the date of planting for soybeans is delayed. Research at the West Kentucky Experiment Station at Princeton indicates that this delay can reduce soybean yields from 7 to 11 bushels per acre depending upon the soybean variety used. The research at Princeton also indicates no reduction in soybean yields …

Soybean Seed Quality Survey, Dennis M. Tekrony

Agronomy Notes

During the past four years soybean acreage has nearly tripled in Kentucky to 1.1 million acres in 1973. Even though the total acreage has increased substantially, the average yield per acre has declined slightly during the same period to 28 bushels per acre in 1973. Why this low statewide average yield when we know that some Kentucky farmers consistently produce yields of over 40 bushels per acre? Many factors can contribute to this problem including; improper use of herbicides and pesticides, inadequate soil fertility, non-adapted varieties, low quality planting seed, and timely management of all production practices. The objective of …

A Burley Tobacco Variety-Management Study In 1966-67, Jones H. Smiley, W. O. Atkinson, A. M. Wallace, Ira E. Massie

Agronomy Notes

A management study was designed to investigate the desirability of two management systems emphasizing (1) yield and (2) quality and a third system (3) aimed at achieving an acceptable level of both yield and quality. (These are hereafter referred to as the "high yield, " "quality, " and "yield and quality" systems, respectively.)

Two varieties, Burley 21 and Ky 10, were grown under the three management systems (outlined in Table 1) in 1/4 acre non-replicated plots at five locations in Kentucky in 1966 and at seven locations in 1967. A three-year or older sod was selected at each location. Phosphorus …

Breeding Tobacco Varieties, Paul D. Legg

Agronomy Notes

The principal objectives in breeding tobacco are yield, field and handling characteristics, disease resistance, and quality. Of these objectives, major emphasis has been placed on breeding disease-resistant varieties. Resistant varieties have provided one of the most effective means of combating many of the pathogens that attack the tobacco plant. However, the transfer of genes for disease resistance into susceptible varieties has been accompanied in many cases by other characteristics which are undesirable. It is often a difficult task to combine acceptable type, yield, and quality with desired factors for disease resistance into a single variety.

Make Good Hay From Perennial Grasses, George D. Corder

Agronomy Notes

Good quality hay can be made from the perennial grasses if they are fertilized properly and mowed while in the boat stage.

The alfalfa weevil has reduced yields of alfalfa in Kentucky to the point where some farmers will be short of hay , Many of these fields have a good stand of grass . Some of the hay shortage can be eased by applying nitrogen fertilizers on these fields.