نتایج جستجو برای: vigour index
تعداد نتایج: 397262 فیلتر نتایج به سال:
Extend abstract Introduction: Guava (Psidium guajava L.) is one of the most important fruit crops of tropical and subtropical regions. Guava (Psidium guajava L.) can be propagated by seed, layering, grafting, cutting or tissue culture. Propagation by seed is used for the production of seedlings usable in breeding programs or rootstock production for grafting. Guava seeds germinate poorly and u...
This study examined the influence of climate indices on vegetation dynamics in Kamuku national park, Nigeria. MODIS NDVI dataset was obtained from 2000 – 2021, while temperature and rainfall data were NiMet Kaduna international airport 1980 - 2015. Downscale Six-generation (Coupled Model Intercomparison Project Phase 6 (CMIP 6)) global model Copernicus 1850 2099. Coefficient variability, Mann K...
Lamb mortality remains a significant welfare and economic issue for sheep production. Lamb survival is to a degree dependent upon an easy delivery and the expression of appropriate behaviours from both mother and offspring, such as rapid standing, udder seeking and sucking by the lamb. Genetic solutions have the potential to improve birth assistance and lamb behaviour but large amounts of data ...
We present a complete framework for vigour mapping in row crops by multispectral remote sensing. The main contribution consists in taking into account vegetation abundance in the computation of vigour indexes. Though developed in a viticulture context, the proposed algorithm is generic enough to be adapted to any row crop, especially in horticulture. It takes advantage of both spectral and spat...
The Vegetation Health index (VHI) is based on a combination of products extracted from vegetation signals, namely the Normalized Difference Vegetation Index (NDVI) and from the brightness temperatures, both derived from the NOAA Advanced Very High Resolution Radiometer (AVHRR) sensor. VH users rely on a strong inverse correlation between NDVI and land surface temperature, since increasing land ...
To study the effects of hydro priming on seed quality parameters bhendi a laboratory work was conducted at Mother Teresa college agriculture in 2021. For this experiment, with aim evaluating seeds were soaked water different duration i.e, 3 hrs, 6 9 12 15 while dry used as control (unprimed) investigated CRD, each treatment being replicated three times. The result revealed that significantly sh...
A study had been conducted in black gram to observe the effect of different seed invigoration treatments with bio-priming for germination, seedling growing and vigour. The variety i.e., Uttara, was selected treated control (T1); Seeds soaked distilled water/ hydropriming (T2); Rhizobium leguminosarum 10% (T3); 15% (T4); 20% (T5); 25% (T6); 30% (T7) respectively. Treated seeds were grown glass p...
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