1 |
Scaife, A. and Stevens, K. L. (1983) Monitoring sap nitrate in vegetable crops: comparison of these strips with electrode methods, and effects of time of day and leaf position. Commun. Soil Sci. Ptant AnaI. 14, 761-771
DOI
ScienceOn
|
2 |
Coltman, R. R. (1988) Yields of greenhouse tomatoes managed to maintain specific petiole sap nitrate levels. HortScience 23, 148-151
|
3 |
Nagarajah, S. (1999) A petiole sap test for nitrate and potassium in sultana grapevines. Australian J. Grape Wine Res. 5, 56-60
DOI
|
4 |
Rho, Y. D., Park, S. H., Park, R .K. and Wilson, J. M. (1986) Assessment of the chilling sensitivity of Korean rice cultivars by chlorophyll Huorescence analysis. Korean J. Crop Sci. 31, 356-360
|
5 |
Mi11s, H. A. and Jones, J. B. (1996) In Plant analysishandbook II Micro-Macro Publishing, Athens, GA, USA
|
6 |
Jones, J. B. and Case, V. W. (1990) In Soit and ptant anatysis: Sampting, handIing and anatysing ptant tissue samptes Soil Science Society of Amehca, Madison, WI, USA
|
7 |
Yamada, M., Hidaka, T. and Fukamachi, H. (1996) Heat tolerance in leaves of tropical fruit crops as measured by chlorophyll Huorescence. Scientia Horticulturae 67, 39-48
DOI
ScienceOn
|
8 |
Kenworthy, A. L. (1973) In SoiI testing and plant analysis: Leafanalysis as an aid in fertilizing orchards (Revied ed.) SdilScience Society of America, Madison, Wisconsin, USA
|
9 |
Hochmuth, G. J. (1994) Efficiency ranges for nitrate-nitrogen and potassium for vegetable petiole sap quick tests. Hortitechnology (July/Sept.) 4, 218-222
|
10 |
Ralph, P. J. and Burchett, M. D. (1995) Photosynthetic responses of the seagrass Hahphila ovalis (R. Br.) Hook. f. to high irradiance stress, using chlorophyll a fluorescence. Aquatic Botany 51, 55-66
DOI
ScienceOn
|
11 |
Store, M. L. (1996) Use of spectral radiance for correcting in-season fertilizer nitrogen deficiencies in winter wheat. Trans. ASAE. 39, 1623-1631
|
12 |
Jemison, J. M. and Fox, R. H. (1988) A qufor soil and plant tissue nitrates using test strips and a hand-held reflectomerer. Commun. Soil Sci. Ptant Anal. 19,1569-1582
DOI
ScienceOn
|
13 |
Feibo, W., Lianghuan, W. and Fuhua, X. (1998) Chlorophyll meter to predict nitrogen sidedress requirements for short season cotton (Gossypium hirsutum L.). Field Crops Res. 56, 309-314
DOI
ScienceOn
|
14 |
Peng, S., Garcia, P. V, Laza, R. C., Sanico, A .L., Visperas, R M. and Cassman. K. G. (1996) Increased N-use efficiency using a chlorophyll meter on high-yielding irrigated rice. FieldCrops Res. 47, 243-252
|
15 |
Shaahan, M. M., El-Sayed, A. A. and Abou El-Nou, .E. A. A (1999) Predicting nitrogen, magnesium and iron nutritional status in some perennial crops using a portable chlorophyll meter. Scientia Horticutturae 82, 339-348
DOI
ScienceOn
|
16 |
Schaefer, N. L. (1986) Evaluation of a hand held reflectometer for rapid quantitative determination of nitrate. Commun. Soil Sci. PIant Anat. 17, 937-951
DOI
ScienceOn
|