Sinkholes in irrigated fields: Soil-covered, debris-filled channels of former streams may be one cause of fall-outs during irrigation in certain areas
AuthorJames C. Marr
Author AffiliationsJames C. Marr is Lecturer and Specialist in Irrigation, University of California, Davis.
Hilgardia 9(11):6-7. DOI:10.3733/ca.v009n11p6. November 1955.
Sinkholes—crater-like openings, sometimes as big as 10' to 15' across and 10' to 12' deep—that suddenly appear in fields during irrigation not only waste water and make farming difficult but—most serious—are a hazard to machinery and operators.
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Cling peach cannery losses: Pilot plant tests with equipment designed to minimize losses in pitting and peeling operations indicate reduction in costs
Sloping seedbeds: Soil salts minimized in germination zone by bed shaped to allow later cultivation
Small ditch seepage controlled: Increasing production demands, costs, and water shortages require efficient water use by operators of irrigated farms
Control of nematode on cotton: Investigations indicate preplanting fumigation of cotton land effective treatment for control of root-knot nematode
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Soil temperature and citrus: Low soil temperature contributes to low number of roots under citrus trees in some areas of southern California
Grass-legume band seeding: Plant counts compare broadcasting of forage seed mixture and drilling with placed fertilizer after control burn on range
Bang’s disease in a naturally infected herd
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