Nitrogen nutrition status of the vine: correlation between N-tester and SPAD chlorophyll indices
نویسندگان
چکیده
Knowledge of the nitrogen nutrition status vine is essential for long-term management its with aim producing high-quality grapes. Measurement chlorophyll index a fast, non-destructive and relatively inexpensive method that provides good approximation during growing season. Several meters are available on market, each using own measurement unit. With popularizing use meters, interpretation thresholds SPAD index, measured at veraison stage, have been established from correlation N-tester which already known.
منابع مشابه
the relationship between using language learning strategies, learners’ optimism, educational status, duration of learning and demotivation
with the growth of more humanistic approaches towards teaching foreign languages, more emphasis has been put on learners’ feelings, emotions and individual differences. one of the issues in teaching and learning english as a foreign language is demotivation. the purpose of this study was to investigate the relationship between the components of language learning strategies, optimism, duration o...
15 صفحه اولthe investigation of the relationship between type a and type b personalities and quality of translation
چکیده ندارد.
on translation of phatic communion and socio-cultural relationships between the characters of the novels
phatic communion is a cultural concept which differs across cultures. according to hofstede (2001), the u.s. tends to have individualistic culture; however, asian countries tend to have collectivistic cultures. these cultures view phatic communion differently. in individualistic cultures like u.s., phatic communion reflects speakers’ socio-cultural relationships in conversations. to see whether...
15 صفحه اولComparison of petiole nitrate concentrations, SPAD chlorophyll readings, and QuickBird satellite imagery in detecting nitrogen status of potato canopies
Nitrogen (N) management is critical in optimizing potato yield and quality and reducing environmental pollution. Six N rates from 34 to 270 kg ha , and different timing of N application were used in a 3-year field experiment to contrast SPAD-502 chlorophyll meter and QuickBird satellite imagery data against the conventional petiole sampling technique for assessing canopy N status. Overall treat...
متن کاملexploring interconnections between iranian efl teachers beleifs about the status of english as an international language (efl), use of mother tongue in efl classroom, and diffrences between native and non-native teachers of english
in one pole of the continuum of language learning, theoreticians and practitioners traditionally consider english as english as a second language or english as a foreign language. however, in the other pole of this continuum where english is thought of as the most effective tool for international communication, it is referred to as a lingua franca. those who favor an approach to english growing...
15 صفحه اولذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IVES technical reviews
سال: 2023
ISSN: ['2680-4905']
DOI: https://doi.org/10.20870/ives-tr.2023.7649