Photograph of W. M. Nixon and R. H. Vahrenkamp looking at cover of chopped-up litter left on surface of soil in citrus orchard by stalk cutter. Photograph does not identify the left to right positions of Nixon or Vahrenkamp. The back of the photograph proclaims, “W. M. Nixon and R. H. Vahrenkamp looking at cover of chopped-up litter left on surface of soil in citrus orchard by stalk cutter. Litter protects surface from erosion, increases rainfall penetration and reduces surface evaporation and temperatures. No other cultivation is used in this orchard. Vegetation is kept down by means of the stalk cutter used as needed.
Photograph of Ovid Neal and J. A. Killough, SCS Technicians, examining a field of corn and soybeans ...
Photograph of Earl Judge, WUC, of Watonga, examines crop residue that Mr. Jude Matli is using widely...
View of tree crowns showing cover before thinning; H.C. Rogers catalpa plantation. Item #71
Photograph of an UNIDENTIFED man on a tractor pulling a stalk cutter used in citrus orchard for chop...
Photograph of an UNIDENTIFED man studying redtop cane cut with a silage cutter and hauled to the edg...
Photograph of two UNIDENTIFIED men standing in two contrasting orchards separated via a fence line. ...
Photograph of an UNIDENTIFED man discing down crop stubble and incorporating into top soil to reduce...
Photograph of men fumigating an orange orchard in Puente Hills, ca.1938. At center, a man can be see...
Photograph of Two UNIDENTIFED men, one on the tractor, and one standing behind it, talking about the...
Photograph of Superintendent L. E. Brooks and SCS Agronomist D. G. Craig discussing watermelon varie...
Photograph of State Soil Conservationist Rowley of Oklahoma and Gault of Arkansas observing growth o...
Photograph of workers spraying citrus trees for pests, 1937. A lightly-colored, cylindrical tank lie...
Photograph of an UNIDENTIFIED man on a tractor disking a vetch and rye cover crop in orchard. The ba...
Black-and-white photograph of four men spraying trees in an orchard. On verso of photo: "Keeping an ...
Photograph of "Marlow Thorne, Head of Agronomy Department, Oklahoma State University, and a UNDENTIF...
Photograph of Ovid Neal and J. A. Killough, SCS Technicians, examining a field of corn and soybeans ...
Photograph of Earl Judge, WUC, of Watonga, examines crop residue that Mr. Jude Matli is using widely...
View of tree crowns showing cover before thinning; H.C. Rogers catalpa plantation. Item #71
Photograph of an UNIDENTIFED man on a tractor pulling a stalk cutter used in citrus orchard for chop...
Photograph of an UNIDENTIFED man studying redtop cane cut with a silage cutter and hauled to the edg...
Photograph of two UNIDENTIFIED men standing in two contrasting orchards separated via a fence line. ...
Photograph of an UNIDENTIFED man discing down crop stubble and incorporating into top soil to reduce...
Photograph of men fumigating an orange orchard in Puente Hills, ca.1938. At center, a man can be see...
Photograph of Two UNIDENTIFED men, one on the tractor, and one standing behind it, talking about the...
Photograph of Superintendent L. E. Brooks and SCS Agronomist D. G. Craig discussing watermelon varie...
Photograph of State Soil Conservationist Rowley of Oklahoma and Gault of Arkansas observing growth o...
Photograph of workers spraying citrus trees for pests, 1937. A lightly-colored, cylindrical tank lie...
Photograph of an UNIDENTIFIED man on a tractor disking a vetch and rye cover crop in orchard. The ba...
Black-and-white photograph of four men spraying trees in an orchard. On verso of photo: "Keeping an ...
Photograph of "Marlow Thorne, Head of Agronomy Department, Oklahoma State University, and a UNDENTIF...
Photograph of Ovid Neal and J. A. Killough, SCS Technicians, examining a field of corn and soybeans ...
Photograph of Earl Judge, WUC, of Watonga, examines crop residue that Mr. Jude Matli is using widely...
View of tree crowns showing cover before thinning; H.C. Rogers catalpa plantation. Item #71