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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• No. <strong>of</strong> treatments - 9 Replication - 3 Design – CRD<br />
Initial status<br />
• Organic carbon-1.36%, Available P-184 kg ha -1 , Exchangeable K-159 kg ha -1<br />
• Quantity <strong>of</strong> N- 78%, Available P-0, Exchangeable K-83% <strong>of</strong> POP rate<br />
(Aiyer,Nair,1985)<br />
Treatment details <strong>of</strong> the pot experiment<br />
Treat<br />
d. <strong>Agronomic</strong> investigation <strong>of</strong> the bio fertilizer efficacy<br />
1. P solubilizer<br />
a. Controlled condition experiment in pots<br />
Treatments<br />
T1 Soil test b<strong>as</strong>ed fertilizer (STBF) recommendation (NPK@ 39:0:41.5 kg ha ‐1 )<br />
T2 Package <strong>of</strong> Practice (POP) recommendation for sweet potato (NPK @ 50:25:50 kg ha ‐1 )<br />
T3 Phosphate solubilizing bacteria alone<br />
T4 STBF + bi<strong>of</strong>ertilizer (PSB) (NPK@ 39:0:41.5 kg ha ‐1 )<br />
T5 NK + ¼P + bi<strong>of</strong>ertilizer (NK @ 50:50 kgha ‐1 + P@ ¼<strong>of</strong> 25 kgha ‐1 )<br />
T6 NK + ½P + bi<strong>of</strong>ertilizer (NK @ 50:50 kgha ‐1 +P@ ½<strong>of</strong> 25 kgha ‐1 )<br />
T7 NK + ¾P +bi<strong>of</strong>ertilizers (NK@ 50:50 kgha ‐1 + P@ ¾<strong>of</strong> 25 kgha ‐1 )<br />
T8 NK @ 50:50 kgha ‐1 + bi<strong>of</strong>ertilizer<br />
T9 Absolute control
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