Abstract:
A field experiment was conducted to assess the effect of treated sludge and
chitosan on the growth and yield of NERICA 10 rice at the research farm of
Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during Aus season
from urea
and then recommended dose of P, K, S, Zn and foliar spray of chitosan(T
Treatment)
-1
from urea with recommended dose of P, K, S, Zn and
foliar spray of chitosan
Treatment)
8
Treatment)
2
1
Treatment
Treatment)
4
3
Treatment
6
5
Treatment)
7
Treatment)
-1
from urea with
recommended dose of P, K, S, Zn and foliar spray of chitosan
Treatment)wasnot similar to Control
Treatment), 100% recommended N
i.e.100 kg nitrogen / ha
1
0
Treatment), 75 kg N from urea with 25kg N
substituted by sludge
Treatment) and 25 kg N from urea with 75 kg N
substituted by sludge
4
2
Treatment). In post harvest soils, the contents of total
nitrogen, available phosphorus, exchangeable potassium and available sulphur
and zinc increased due to application of treated sludge and chitosan compared
to initial soil. In the contrary, soil pH value increased slightly as compared to
that of initial soil. The overall results indicate that 50kg Nha
-1
from urea with
recommended dose of P, K, S, Zn and foliar spray of chitosan
Treatment) soil fertility,
Description:
A Thesis
submitted to the Department of Soil Science
Sher-e-Bangla Agricultural University, Dhaka,
in partial fulfillment of the requirements
for the degree of
MASTER OF SCIENCE
SOIL SCIENCE
SEMESTER: JANUARY-JUNE, 2013
