Effect of integrated nutrient management on baby corn–rice cropping system: economic yield, system productivity, nutrient-use efficiency andsoil nutrient balance

R C SHARMA; P BANIK

doi:10.56093/ijas.v82i3.15941

Authors

R C SHARMA Agricultural and Ecological Research Unit, Indian Statistical Institute, 203 B T Road, Kolkata 700 108
P BANIK Agricultural and Ecological Research Unit, Indian Statistical Institute, 203 B T Road, Kolkata 700 108

https://doi.org/10.56093/ijas.v82i3.15941

Keywords:

Baby corn, Cropping system, Nutrient balance, Nutrient-use efficiency, Rice, Soil fertility

Abstract

The study was conducted to estimate the nutrient-use efficiency and soil nutrient balance of integrated nutrient management, five combinations of organic and inorganic sources of nutrients. Both partial factor productivity and agronomic- use efficiency of nitrogen, phosphorus and potassium was recorded maximum in F₃ (70% RD of NPK through inorganic fertilizers + 30% N through FYM), F₂ (70% RD of NPK through inorganic fertilizers + 30% N through vermicompost) and F₁ (recommended dose (RD) of NPK (150:26:33) through fertilizers), respectively. Apparently recovery efficiency for N and K was highest in F₁, whereas P in F₃. Physiological-use efficiency (PFP) was highest in F₃, followed by F₁ and F₂ treatment. INM showed actual N gain but apparent N losses. Maximum actual N gain was recorded where nutrients were applied through equal proportion (50:50) of organic and inorganic sources. Similar trend was recorded for actual and apparent P loss/gain as recorded for N. Results showed losses in actual K but gain in apparent K for all the treatments.

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References

Banik P and Sharma R C. 2009. Effect of organic and inorganic sources of nutrients on the winter crops-rice based cropping systems in sub-humid tropics of India. Archive of Agronomy and Soil Science 55: 285–94.

Bejbaruha R, Sharma R C and Banik P. 2009. Direct and residual effect of organic and inorganic source of nutrients on rice based cropping systems in sub-humid tropics of India. Journal of Sustainable Agriculture 33: 674–89.

Carter M R. 2002. Soil quality for sustainable land management, organic matter and aggregation interactions that maintain soil functions. Agronomy Journal 94: 38–47.

Gaur A C, Neelakantan S and Dargan S K. 1984. Organic Manures. Indian Council of Agricultural Research, New Delhi.

Hanway J J and Heidel H. 1952. Soil analysis methods as used in Iowa State College Soil Testing Laboratory. Iowa Agriculture 27: 1–13.

Jackson M L. 1973. Soil Chemical Analysis. Prentice Hall of India Pvt. Ltd, New Delhi.

Mahavishnan K, Prasad M and Rekha K B. 2005. Integrated nutrient management in cotton-sunflower cropping system in the sandy loam soils of north India. Journal of Tropical Agriculture 43: 29–32.

Olsen S R, Cole C V, Watanabe F S and Dean L A. 1954. Estimation of available phosphorus in soil by extraction with sodium bicarbonate. USDA Circular No. 939.

Subbiah B V and Asija G L. 1956. A rapid procedure for estimation of available nitrogen in soil. Current Science 25: 259–60.

Walkley A and Black I A. 1934. An examination of the Degtjareff method for determining soil organic matter and proposed modification of the chromic acid titration method. Soil Science 37: 29–38.