Characterization of Nitrogen Uptake and Utilization in Rice under Different Planting Methods

2013 ◽  
Vol 38 (10) ◽  
pp. 1908-1919 ◽  
Author(s):  
Zhong-Yang HUO ◽  
Jie LI ◽  
Hong-Cheng ZHANG ◽  
Qi-Gen DAI ◽  
Ke XU ◽  
...  
Rice Science ◽  
2015 ◽  
Vol 22 (5) ◽  
pp. 250-254 ◽  
Author(s):  
Mohammad Mu’az Hashim ◽  
Mohd Khanif Yusop ◽  
Radziah Othman ◽  
Samsuri Abdul Wahid

Author(s):  
S. V. Varshini ◽  
C. Jayanthi ◽  
S. D. Sivakumar ◽  
A. Senthil ◽  
P. Malarvizhi ◽  
...  

A field experiment to assess the effect of  planting methods and sett treatments on quality, nutrient uptake and economics of bajra napier hybrid grass CO (BN) 5 was conducted during 2018-2019 at the Eastern block farm of the Department of Agronomy, Tamil Nadu Agricultural University – Coimbatore, Tamil Nadu. The experimental field was laid out in factorial randomized block design. The main plots were vertical planting (M1) and horizontal planting (M2) and sub-plots were 13 sett treatments. The results on some quality parameters viz., crude protein, crude fibre, crude fat, total ash contents (%), showed non-significant difference on planting methods, sett treatments and their interaction. Among planting methods, vertical planting had registered higher crude protein yield of 1.23 t ha-1cut-1, nitrogen uptake (151 kg ha-1cut-1), phosphorus uptake (23.4 kg ha-1cut-1) and potassium uptake (87.7 kg ha-1cut-1). Among sett treatments, water soaking for 12 hours and 24 hours incubation (S1) significantly registered higher crude protein yield (1.78 t ha-1cut-1), nitrogen uptake (186.8 kg ha-1cut-1), phosphorus uptake (31.9 kg ha-1cut-1) and potassium uptake (108.4 kg ha-1cut-1). In two planting methods, low cost of cultivation ($ 629 ha-1), higher gross return ($ 1227 ha-1), net return ($ 598 ha-1) and benefit cost ratio (1.98) were registered with vertical planting (M1). Similarly, among sett treatments, water soaking for 12 hours and 24 hours incubation (S1) recorded lower cost of cultivation ($ 563 ha-1), higher gross return ($ 1698 ha-1), net return ($ 1135 ha-1) and benefit cost ratio (3.02). With this, it can be concluded that for planting method, vertical planting (M1), and for sett treatment, water soaking for 12 hours and 24 hours incubation (S1) are the recommended practices for achieving better quality, nutrient uptake and economics from bajra napier hybrid grass.


2018 ◽  
Vol 181 (4) ◽  
pp. 516-527 ◽  
Author(s):  
Xin Wen ◽  
Chengxiao Hu ◽  
Xuecheng Sun ◽  
Xiaohu Zhao ◽  
Qiling Tan ◽  
...  

Author(s):  
B. L. Soloff ◽  
T. A. Rado

Mycobacteriophage R1 was originally isolated from a lysogenic culture of M. butyricum. The virus was propagated on a leucine-requiring derivative of M. smegmatis, 607 leu−, isolated by nitrosoguanidine mutagenesis of typestrain ATCC 607. Growth was accomplished in a minimal medium containing glycerol and glucose as carbon source and enriched by the addition of 80 μg/ ml L-leucine. Bacteria in early logarithmic growth phase were infected with virus at a multiplicity of 5, and incubated with aeration for 8 hours. The partially lysed suspension was diluted 1:10 in growth medium and incubated for a further 8 hours. This permitted stationary phase cells to re-enter logarithmic growth and resulted in complete lysis of the culture.


Author(s):  
A.R. Pelton ◽  
A.F. Marshall ◽  
Y.S. Lee

Amorphous materials are of current interest due to their desirable mechanical, electrical and magnetic properties. Furthermore, crystallizing amorphous alloys provides an avenue for discerning sequential and competitive phases thus allowing access to otherwise inaccessible crystalline structures. Previous studies have shown the benefits of using AEM to determine crystal structures and compositions of partially crystallized alloys. The present paper will discuss the AEM characterization of crystallized Cu-Ti and Ni-Ti amorphous films.Cu60Ti40: The amorphous alloy Cu60Ti40, when continuously heated, forms a simple intermediate, macrocrystalline phase which then transforms to the ordered, equilibrium Cu3Ti2 phase. However, contrary to what one would expect from kinetic considerations, isothermal annealing below the isochronal crystallization temperature results in direct nucleation and growth of Cu3Ti2 from the amorphous matrix.


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