Add to ORKGA research program of water conservation and of soil rebuilding and maintenance has been initiated in southern Iowa as a phase of the Cooperative Hillculture project of the Iowa Agricultural Experiment station and the Soil Conservation Service. Existing and newly established vegetative covers are being evaluated as interplanting materials between the rows of larger, chiefly woody, and plants of economic value which are grown in furrows on the exact contour under varying degrees of cultivation
Furrow-irrigated fields often have different slopes along a furrow, which tend to cause different wa...
The use of contour furrows for controlling runoff and for restoration of depleted pastures has been ...
Twenty-five species of Leguminosae, planted in randomized replications on three southern Iowa sites ...
A research program of water conservation and of soil rebuilding and maintenance has been initiated i...
A system of land management which provides year around protection of the soil from the ravages of wa...
Experiments were initiated in 1938 for the purpose of studying vegetative ground covers. This series...
The great drought has now prevailed intermittently in the mid- west for a period of seven years. Dam...
Observational studies of numerous plantings of hardwood species for shelterbelts, woodlots, erosion ...
This bulletin reports experimental procedure and data collected in a three-year study of the effect ...
This paper deals with the present forest lands in southern Iowa counties, giving their relations to ...
Seed furrow sidewall smearing by planter double disk openers in clay loam and loam soils was investi...
By determining the moisture content of carefully selected soil samples taken at various depths down ...
In ecological investigations of interactions between plants and soil moisture, whether the aim is to...
The need for better understanding of the fundamental principles which govern the natural relationshi...
In order to keep Iowa soils from becoming less fertile and from being washed away, it is necessary t...
Furrow-irrigated fields often have different slopes along a furrow, which tend to cause different wa...
The use of contour furrows for controlling runoff and for restoration of depleted pastures has been ...
Twenty-five species of Leguminosae, planted in randomized replications on three southern Iowa sites ...
A research program of water conservation and of soil rebuilding and maintenance has been initiated i...
A system of land management which provides year around protection of the soil from the ravages of wa...
Experiments were initiated in 1938 for the purpose of studying vegetative ground covers. This series...
The great drought has now prevailed intermittently in the mid- west for a period of seven years. Dam...
Observational studies of numerous plantings of hardwood species for shelterbelts, woodlots, erosion ...
This bulletin reports experimental procedure and data collected in a three-year study of the effect ...
This paper deals with the present forest lands in southern Iowa counties, giving their relations to ...
Seed furrow sidewall smearing by planter double disk openers in clay loam and loam soils was investi...
By determining the moisture content of carefully selected soil samples taken at various depths down ...
In ecological investigations of interactions between plants and soil moisture, whether the aim is to...
The need for better understanding of the fundamental principles which govern the natural relationshi...
In order to keep Iowa soils from becoming less fertile and from being washed away, it is necessary t...
Furrow-irrigated fields often have different slopes along a furrow, which tend to cause different wa...
The use of contour furrows for controlling runoff and for restoration of depleted pastures has been ...
Twenty-five species of Leguminosae, planted in randomized replications on three southern Iowa sites ...