Answer / kesavan.b trichy,

In Sodium Vapour Lamp Cover we see this SON-T Lamp....
Somewhat more radiation in the blue part of the spectrum.
At low light levels it is important to have enough blue
light, in order to obtain a nice full crop growth without
elongation of the plants. However, the Agro lamp gives
less “growth light” than the Green Power lamp. At higher
light levels there will already be enough blue radiation,
so the raised level of growth light from the Green Power
lamp will give a better production. So, the Agro lamp is
best used at low light levels (2000-3000 lux) and a compact
crop growth, whereas at higher light levels (>3000 lux) the
Green Power lamp will give the best results for the
majority of crops.

how tubelight circuit is connected and how it works?

7 Answers   Punj Lloyd Ltd,

---

What are the weight of 800KV DA,DB and DC type tower ?

0 Answers   L&T,

---

in conclusion why we select you?

1 Answers  

---

what is hysteresis loss?

4 Answers   PSU,

---

On what principle electric motor works?

0 Answers  

---

---

how current flows in circuit?

11 Answers  

---

can we produce cosine wave instead of sine wave? will it usefull?

4 Answers   BARC,

---

prove that power consumed in 3 phase delta system is 3 times as compared to 3 phase star system

0 Answers  

---

what is the difference between earthing and grounding?

6 Answers   Bhel, Wipro,

---

What is the male and female contactors.where is it's used and what is the deferent betweens

1 Answers   Standard Chartered,

---

which of the following elements is not present in stainless steel

0 Answers   LASA,

---

in 33kv/11kv stepdown t/f why should we use Star point

2 Answers  

---