Results 51 to 60 of about 45,623 (164)

Some factors affecting magnesium uptake by citrus leaves : a thesis presented in partial fulfilment of the requirements for the degree of Master of Horticultural Science at Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 1971
Pineapple sweet orange seedlings and rooted leaf bud cuttings of Meyer lemons were used to investigate the effects of some of the factors affecting magnesium uptake by leaves.
Thapa, Shaligram Kumar
core  

Efficient Protein Expression and Virus-Induced Gene Silencing in Plants Using a Crinivirus-Derived Vector. [PDF]

open access: yes, 2018
Plant virus-based vectors are valuable tools for recombinant gene expression and functional genomics for both basic and applied research. In this study, Lettuce infectious yellows virus (LIYV) of the genus Crinivirus was engineered into a virus vector ...
Falk, Bryce W, Qiao, Wenjie
core   +3 more sources

Ecological characterization of the Florida springs coast: Pithlachascotee to Waccasassa Rivers [PDF]

open access: yes, 1990
This report covers the upper coast of west-central Florida. This region includes the drainage basins and nearshore waters of the west coast of Florida between, but not including, the Anclote River basin and the Suwannee River basin.
Bland, Michael J.   +4 more
core  

Selection of native trees for intercropping with coffee in the Atlantic Rainforest biome [PDF]

open access: yes, 2010
A challenge in establishing agroforestry systems is ensuring that farmers are interested in the tree species, and are aware of how to adequately manage these species.
Bonfim, V.R.   +7 more
core   +1 more source

Effects of citrus nematode—and irrigation—on nutrient concentrations in Navel orange leaves, roots

open access: yesCalifornia Agriculture, 1966
Reductions in citrus yields caused by nematode infestation may vary from 10 to 50%, according to nutritional and environmental conditions—particularly under different soil moisture and soil oxygen conditions—since some citrus plants achieve apparently ...
C Labanauskas, R Baines, L Stolzy
doaj  

Determination of 15N stable isotope natural abundances for assessing the use of saline reclaimed water in grapefruit [PDF]

open access: yes, 2014
We reported the results of an isotopic study aimed at evaluating the medium to long-term effects of different water qualities and deficit irrigation strategies on the ecophysiology of grapefruit in a 7-year-old plantation in SE Spain.
Alarcón Cabañero, Juan José   +3 more
core   +1 more source

Nutrition of Florida Citrus Trees, 3rd Edition: Chapter 11. Special Situations

open access: yesEDIS, 2020
The information provided in the 2008 2nd edition is still sound for healthy citrus trees under Florida production conditions. Much of the information provided in this document on nutrients, application methods, leaf and soil sampling and irrigation ...
Thomas A. Obreza   +7 more
doaj   +2 more sources

Comparison of nitrification inhibitors to restrict nitrate leaching in a maize crop irrigated under mediterranean conditions [PDF]

open access: yes, 2010
The aim of this paper was to compare dicyandiamide (DCD) and 3,4 dimethylpyrazole phosphate (DMPP) as inhibitors of ammonium oxidation and nitrate leaching after applying fertilizer to a maize (Zea mays L.) crop grown under Mediterranean conditions.
Arauzo, M.   +4 more
core   +3 more sources

Impact of Multiple Vegetation Covers on Surface Runoff and Sediment Yield in the Small Basin of Nverzhai, Hunan Province, China [PDF]

open access: yes, 2020
Vegetation plays a significant role in controlling soil erosion. However, the effects of each vegetation type on soil erosion have not been fully investigated.
Li, Guijing   +5 more
core   +2 more sources

Effects of long term application of compost and poultry manure on soil quality of citrus orchards in Southern Italy. [PDF]

open access: yes, 2004
A six-year study was carried out in an organically managed orange orchard located in Sicily (Southern Italy) to assess the effect of compost and organic fertilizers utilisation on soil quality.
Canali, S.   +6 more
core  

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