Agronomic Investigation of New Microbial Isolates as Bio fertilizers ...
Agronomic Investigation of New Microbial Isolates as Bio fertilizers ...
Agronomic Investigation of New Microbial Isolates as Bio fertilizers ...
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d. <strong>Agronomic</strong> investigation <strong>of</strong> the bi<strong>of</strong>ertilizer efficacy<br />
1. N fixer<br />
a. Controlled condition experiments in pots<br />
• No. <strong>of</strong> treatments - 8 Replication - 3 Design - CRD<br />
Initial status<br />
• Organic carbon- 0.26%, Av. P- 216.16 kg ha -1 , Exch. K- 303.52 kg ha -1<br />
• Quantity <strong>of</strong> N-117%, P- 0, K- 48% <strong>of</strong> POP rate ( Aiyer and Nair,1985)<br />
Treat. No.<br />
Treatments<br />
T1 Soil test b<strong>as</strong>ed ferlilizer (STBF) recommendation (NPK @ 58.5:0:24 kg ha -1 )<br />
T2 POP recommendation for sweet potato (NPK@ 50:25:50 kg ha -1 )<br />
T3 N fixer alone<br />
T4 N fixer + STBF (NPK@58.5:0:24 kg ha -1 )<br />
T5 N fixer + N(3/4 <strong>of</strong> STBF), P, K (STBF) i.e. (NPK @44:0:24 kg ha -1 )<br />
T6 N fixer + N(1/2 <strong>of</strong> STBF), P, K(STBF) i.e. (NPK @29.25:0:24 kg ha -1 )<br />
T7 N fixer + N(1/4 <strong>of</strong> STBF), P, K(STBF) i.e. (NPK @14.6:0:24 kg ha -1 )<br />
T8 Absolute control
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