Zobrazeno 1 - 10
of 10
pro vyhledávání: '"J Rible"'
Publikováno v:
California Agriculture, Vol 33, Iss 2 (1979)
With accurate measurements of nitrate-nitrogen leached from agricultural systems and definitions of factors that affect the amount of leaching, management strategies can be devised that increase productivity while degrading water minimally.
Externí odkaz:
https://doaj.org/article/1ca51cb7152244968a59f17bd5d5a6b3
Publikováno v:
California Agriculture, Vol 31, Iss 5 (1977)
Today's concern for the quality of our environment has prompted investigations of the effects of irrigated agriculture on the underlying ground water. The work reported here is one phase of an intensive soil nitrate project being conducted by soil an
Externí odkaz:
https://doaj.org/article/39f670f8c03f4fd196ed417b4af93264
Publikováno v:
California Agriculture, Vol 31, Iss 5 (1977)
The coastal community of Morro Bay, like many other cities in California, is upgrading its sewage treatment plant. As elsewhere, these plant improvements are financed to a large extent with federal and state funds, and a string is attached: Considera
Externí odkaz:
https://doaj.org/article/b497356525a34177b1d4768b148f2e3a
Publikováno v:
California Agriculture, Vol 31, Iss 5 (1977)
Many greenhouse growers in the Half Moon Bay area were faced with the need to conserve water in 1976. Because of the drought, growers were limited by the water company to the same amount of water used in 1975. The problem was to cope with an expansio
Externí odkaz:
https://doaj.org/article/2689aefab4554d0b8c15c34aae3ff93c
Publikováno v:
California Agriculture, Vol 28, Iss 4 (1974)
This report of the subfloor monitoring of the Shady Grove Dairy liquid manure holding pond near Chino offers further proof that such ponds are self-sealing and allow little or no seepage.
Externí odkaz:
https://doaj.org/article/a285ca9f43fb4390aa53a8021008e52d
Publikováno v:
California Agriculture, Vol 23, Iss 8 (1969)
Preplant bed fumigation of lettuce soils significantly increased lettuce head weights in three Palo Verde field trials with DD and Telone. Treatments also produced trends toward more uniform and earlier crop maturity (although differences were not st
Externí odkaz:
https://doaj.org/article/bb2b1ab0d7d44217bc402ba52533861a
Publikováno v:
California Agriculture, Vol 22, Iss 10 (1968)
Uniform Nitrogen Content in the foliage is desirable for optimum growth of annual flowering plants (bedding plants). Two of many fertilization procedures suggested to maintain this uniform level, include the use of controlled release nitrogen fertili
Externí odkaz:
https://doaj.org/article/11696b7ee2454a52a8714543a9d217c9
Publikováno v:
California Agriculture, Vol 22, Iss 8 (1968)
A severe leaf yellowing, or chlorosis problem, has occurred in chrysanthemums at several commercial greenhouses in the San Francisco Bay Area. The disorder was found to be magnesium deficiency caused by high annual applications of potassium. Magnesiu
Externí odkaz:
https://doaj.org/article/39e40dc995b4499f99772c0101df74fd
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Periodical
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