Zobrazeno 1 - 10
of 40
pro vyhledávání: '"N. Valoras"'
Publikováno v:
California Agriculture, Vol 28, Iss 5 (1974)
THE MANY ACRES of watershed in Southern California that burn each year constitute a serious potential for erosion, because the removal of protective vegetation and fire causes the land to become water repellent—instead of being absorbed, water tend
Externí odkaz:
https://doaj.org/article/f97aa86e2d634ecd990829fbda23841a
Publikováno v:
California Agriculture, Vol 21, Iss 1 (1967)
SUMARY Among the soil amendments, peat has the advantages of promoting a very god top growth and dense rot system, when properly irigated to avoid por aeration. It has the disadvantages of not being able to withstand compaction and can become exce
Externí odkaz:
https://doaj.org/article/ced3ae110d4b459f802cc7cce6b382ea
Publikováno v:
California Agriculture, Vol 23, Iss 3 (1969)
OBSERVATIONS of water repellency in soils made over the past 10 years throughout the world have indicated that this particular problem is more important than had previously been thought. There have been reports that water repellency in golf greens an
Externí odkaz:
https://doaj.org/article/e9728c4678504336aa7ad78d34c627e1
Publikováno v:
California Agriculture, Vol 17, Iss 5 (1963)
Low soil oxygen conditions were found most detrimental to plant growth when air or soil temperatures were high. Test results also emphasized the importance of promoting rapid water intake rates to eliminate prolonged flooding of the soil to get water
Externí odkaz:
https://doaj.org/article/0514de66f1c54a40820e3acd42ff5273
Publikováno v:
California Agriculture, Vol 16, Iss 3 (1962)
Soil aeration is an important factor in crop production. For maximum production, optimum levels of soil oxygen must be maintained as well as plant nutrient and water supplies. Experiments are being continued to learn more about the relationships betw
Externí odkaz:
https://doaj.org/article/83d5366498ff4aac8f64f2bd8c542de0
Publikováno v:
Soil Science Society of America Journal. 40:60-63
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95ed4d72f5d0f58559c680f5e84d18af
https://doi.org/10.2136/sssaj1976.03615995004000010019x
https://doi.org/10.2136/sssaj1976.03615995004000010019x
Publikováno v:
Journal of Environmental Quality. 9:218-223
A method using an interfaced gas chromatograph-mass spectrometer (GC-MS) is described for measuring the amount of N₂O and N₂ derived during denitrification from tagged ¹⁵NO₃⁻ and from ¹⁴NO₃⁻, the latter of which is produced during m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afb03d823e67f9494f245059c924fc0d
https://doi.org/10.2134/jeq1980.00472425000900020011x
https://doi.org/10.2134/jeq1980.00472425000900020011x
Publikováno v:
Journal of Environmental Quality. 9:227-231
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e896b1cced8d9400aea86218dcdf307c
https://doi.org/10.2134/jeq1980.00472425000900020013x
https://doi.org/10.2134/jeq1980.00472425000900020013x
Publikováno v:
Journal of Plant Nutrition. 5:73-89
Increasing fertilizer and energy costs, as well as awareness of environmental quality, require greater fertilizer use efficiency. Providing plant nutrients in the quantity and at the time needed, possibly through fertigation, should lead to more effi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::995a926355c5de366532c983fd2c2d34
https://doi.org/10.1080/01904168209362939
https://doi.org/10.1080/01904168209362939
Publikováno v:
Journal of Environmental Quality. 9:232-235
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc0e865a07706808afcd83773590b5c8
https://doi.org/10.2134/jeq1980.00472425000900020014x
https://doi.org/10.2134/jeq1980.00472425000900020014x