Agricultural Science Digest, volume 23 issue 1 (march 2003) : 38 - 40
IMPACT OF GREEN MANURING ON RICE YIELD, ZINC AND SULPHUR UPTAKE
5. Mythili, K. Natarajan, R. Kalpana
1Tamil Nadu Agricultural University,
Coimbatore- 641003, India
Chief Editor:
Arvind kumar
Rani Lakshmi Bai Central Agricultural Uni., Jhansi, U.P., INDIA
ABSTRACT
A green house experiment was conducted with two Zn and S deficient soils with rice as the test crop to study the effect of green manuring with Sesbania aculeata and two sources of zinc (ZnSO 4 and Zn-EDTA @ 5 kg Zn ha −1) and S (gypsum @ 50 kg S ha −1) on yield and Zn and S uptake. Application of recommended dose of NPK (100:50:50 NPK kg ha −1), Zn as ZnSO 4 and S as gypsum coupled with green manuring resulted in significantly higher grain yield (43.1 g pot −1). The uptake of Zn and S increased significantly with the application of GM in addition to improvement of soil fertility.
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