Add to ORKGThe utilization of such crop residues as wheat and oat straw presents a perplexing problem, especially to the grain farmer who would maintain the organic matter content of his soil. It has been generally observed that such materials added to the soil decrease the yields of the following crops
Nitrates are present in all plants, but normally their concentrations are not excessive. Under norma...
In the experiments reported above the effect of organic material upon the aggregation of soil partic...
It is the purpose of this study to determine by means of field experiments, the response of winter w...
The utilization of such crop residues as wheat and oat straw presents a perplexing problem, especial...
It has long been known that straw or strawy manure when added to the soil may bring about a reductio...
Preliminary work with solution cultures inoculated with soil showed that 20.83 mgm. of nitrate nitro...
In a paper read at the meeting last year it was pointed out that when a soluble form of organic matt...
The work of many investigators has demonstrated the fact that nitrate nitrogen disappears from soils...
The purpose of this bulletin is to present the data on nitrate contents and nitrate production in te...
Nitrification is the process where ammonium is converted to nitrate by the activity of autotrophic n...
Analysis of samples of oat hay frequently reveals concentrations of nitrates sufficient to be toxic ...
The difference between the power to accumulate nitrates in the soil after various rotations has been...
The value of farmyard manure in maintaining soil fertility is well known. Recently, considerable int...
Decomposition of straw and other organic materials in soil is carried out by many living organisms. ...
The nitrate content in all soils is maintained through the action of microorganisms upon ammonia. Th...
Nitrates are present in all plants, but normally their concentrations are not excessive. Under norma...
In the experiments reported above the effect of organic material upon the aggregation of soil partic...
It is the purpose of this study to determine by means of field experiments, the response of winter w...
The utilization of such crop residues as wheat and oat straw presents a perplexing problem, especial...
It has long been known that straw or strawy manure when added to the soil may bring about a reductio...
Preliminary work with solution cultures inoculated with soil showed that 20.83 mgm. of nitrate nitro...
In a paper read at the meeting last year it was pointed out that when a soluble form of organic matt...
The work of many investigators has demonstrated the fact that nitrate nitrogen disappears from soils...
The purpose of this bulletin is to present the data on nitrate contents and nitrate production in te...
Nitrification is the process where ammonium is converted to nitrate by the activity of autotrophic n...
Analysis of samples of oat hay frequently reveals concentrations of nitrates sufficient to be toxic ...
The difference between the power to accumulate nitrates in the soil after various rotations has been...
The value of farmyard manure in maintaining soil fertility is well known. Recently, considerable int...
Decomposition of straw and other organic materials in soil is carried out by many living organisms. ...
The nitrate content in all soils is maintained through the action of microorganisms upon ammonia. Th...
Nitrates are present in all plants, but normally their concentrations are not excessive. Under norma...
In the experiments reported above the effect of organic material upon the aggregation of soil partic...
It is the purpose of this study to determine by means of field experiments, the response of winter w...