نتایج جستجو برای: harvest index

تعداد نتایج: 416735  

M. Arumugam, M. P. Rajanna

Seed dormancy is a genetically inherited trait whose intensity is modified by the environment during seed development and maturation. In order to study the effect of harvest time on the seed quality and optimum time of sowing to obtain good quality seeds, freshly threshed seeds of ten diverse rice genotypes harvested from six environments were evaluated for seed dormancy and seedling vigour ind...

ژورنال: علوم آب و خاک 2006
انوشیروان فروزنده شهرکی, , محمدرضا خواجه‌پور, ,

Under irrigation and in double-cropping system, a large amount of plant residue remains after harvest that along with the limited time for residue decomposition and complete seedbed preparation, necessitates reduced tillage and special residue management. In the present study, the effects of various seedbed preparation methods on vegetative growth, yield components and seed and oil yields of su...

2016
Mark D. Scheuerell

Stock-recruitment models have been used for decades in fisheries management as a means of formalizing the expected number of offspring that recruit to a fishery based on the number of parents. In particular, Ricker's stock recruitment model is widely used due to its flexibility and ease with which the parameters can be estimated. After model fitting, the spawning stock size that produces the ma...

2015
Lijun Su Quanjiu Wang Chunxia Wang Yuyang Shan Maoteng Li

Simulation models of leaf area index (LAI) and yield for cotton can provide a theoretical foundation for predicting future variations in yield. This paper analyses the increase in LAI and the relationships between LAI, dry matter, and yield for cotton under three soil conditioners near Korla, Xinjiang, China. Dynamic changes in cotton LAI were evaluated using modified logistic, Gaussian, modifi...

2000
Ilvio Bruder Antje Raab-Düsterhöft Markus Becker Jochen Bedersdorfer Günter Neumann

In this paper we illustrate how Internet documents can be automatically analyzed in order to capture the content of a document in a more detailed way than usually The result of the document analysis is called abstract and will be used as a linguistic search index for the Internet search engine GETESS We show how the linguistic analysis system SMES can be used for a Harvest based search engine f...

2016
CHANDAN SINGH

The present study were carried out in the Department of Genetics and Plant Breeding, Faculty of Agriculture, NDUAT, Faizabad during rabi season 2014-15 and 2015-16 entitled “standardization of biofortification and hydropriming for enhance seed yield and its quality parameters in chickpea (Cicer arietinum l.)” The objective of the study was assessing the comparative performance of yield and qual...

Journal: :علوم گیاهان زراعی ایران 0
منصور خضری عفراوی عبد الهادی حسین زاده ولی اله محمدی علی احمدی

drought stress is considered as the most important environmental abiotic stress, affecting grain yield of crop plants especially in arid and semi arid regions. increasing and utilization of the genetic diversity can be a useful strategy in breeding for drought resistance. in this study, twenty iranian durum wheat landraces along with two check cultivars were evaluated in a randomized complete b...

2010
Richard Amasino

The coordination of the timing of flowering with seasonal and development cues is a critical life-history trait that has been shaped by evolution to maximize reproductive success. Decades of studying many plant species have revealed several of the fascinating systems that plants have evolved to control flowering time: such as the perception of day length in leaves, which leads to the production...

This study set out to investigate the effect of bio-fertilizers containing nitrogen-fixing bacteria and phosphorus on grain yield and yield components of Faba bean. To this end a factorial experiment on the basis of randomized complete block design with four replications was conducted in Behbahan region at South eastern part of Khuzestan Province of Iran. The experimental treatments included Ni...

ژورنال: علوم آب و خاک 2007
مهدی تاجبخش, , پریسا شریفی, ,

To evaluate the effect of plant density and detopping on grain yield, protein content biological yield harvest index, growth indices, number of cob in each plant, No. of row per ear, No. of grain in each row, thousand seed weight of corn (Zea mays L. ar. SC 704), an experiment was conducted at the experimental statues of Research Center of Uremia Agricultural College in 2004. The Treatment desi...

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