The soil on the Langdon Substation was fairly typical Barnes fine sandy loam. Three trials were made between 1914 and 1948 on the effects of fertilizer on corn yield. In the third study, the addition of ammoniate phosphate gave an 8.6% yield increase
Successful agriculture is dependent upon the maintenance of soil fertility. The problem of maintaini...
Summery of Bulletin1. The average value of the crops produced at Brookings for five years was 31.1 p...
The Oklahoma Agricultural Experiment Station periodically issues revisions to its publications. The ...
This bulletin reports the results obtained from twenty years fertility investigations on Barnes sand...
High wheat yields require large quantities of available plant food. For example, each bushel of spri...
Published July 1972. Facts and recommendations in this publication may no longer be valid. Please lo...
In 1952 field experiments were conducted on private farms in order to determine the effect of the ap...
The fertilizer experiments summarized in this progress report were conducted on private farms locate...
This is a short paragraph article on a trial at the Hettinger, N. D., Branch Station in 1955, compar...
Due to increased interest by farmers concerning new wheat varieties in 1970 and the lack of detailed...
The continuous production of farm crops without the return of a substantial quantity of the plant fo...
The soil fertility experiments reported in this summary were conducted on representative soil types ...
Many an Iowa farmer is aware that some day he may need to use commercial fertilizer, especially phos...
This was a brief article on the results of tests completed over the course of several years at Louis...
Citation: Adams, Ernest L. and Williams, Robert E. Fertilizer requirements of unproductive soils. Se...
Successful agriculture is dependent upon the maintenance of soil fertility. The problem of maintaini...
Summery of Bulletin1. The average value of the crops produced at Brookings for five years was 31.1 p...
The Oklahoma Agricultural Experiment Station periodically issues revisions to its publications. The ...
This bulletin reports the results obtained from twenty years fertility investigations on Barnes sand...
High wheat yields require large quantities of available plant food. For example, each bushel of spri...
Published July 1972. Facts and recommendations in this publication may no longer be valid. Please lo...
In 1952 field experiments were conducted on private farms in order to determine the effect of the ap...
The fertilizer experiments summarized in this progress report were conducted on private farms locate...
This is a short paragraph article on a trial at the Hettinger, N. D., Branch Station in 1955, compar...
Due to increased interest by farmers concerning new wheat varieties in 1970 and the lack of detailed...
The continuous production of farm crops without the return of a substantial quantity of the plant fo...
The soil fertility experiments reported in this summary were conducted on representative soil types ...
Many an Iowa farmer is aware that some day he may need to use commercial fertilizer, especially phos...
This was a brief article on the results of tests completed over the course of several years at Louis...
Citation: Adams, Ernest L. and Williams, Robert E. Fertilizer requirements of unproductive soils. Se...
Successful agriculture is dependent upon the maintenance of soil fertility. The problem of maintaini...
Summery of Bulletin1. The average value of the crops produced at Brookings for five years was 31.1 p...
The Oklahoma Agricultural Experiment Station periodically issues revisions to its publications. The ...