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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP
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    Abstract - Issue Nov 2024, 45 (6)                                     Back


nstantaneous and historical temperature effects on a-pinene

Zinc fortification and legume incorporation in forage based cropping systems: Implications for yield and nutrient dynamics

 

N.H. Mir1, B.A. Alie2, S. Ahmad1*, S.S. Bhat1 and R. Atufa1

 

1ICAR-IGFRI, Regional Research Station, Srinagar- 191 132, India

2Advanced Research Station for Saffron and Seed Spices, SKUAST-K, Pampore-192 121, India

 

Received: 23 February 2024                   Revised: 20 May 2024                   Accepted: 30 August 2024

*Corresponding Author Email : suhail114@gmail.com                        *ORCiD: https://orcid.org/0000-0002-9369-6902

 

 

 

Abstract

 

Aim: To evaluate the synergistic effects of legume intercropping and zinc fortification on forage yield, and plant and soil nutrient dynamics.

Methodology: The experiment was laid out in a Factorial Randomized Block Design. Treatment combinations included five cropping systems, i.e., sole maize, sole cowpea, sole soybean, maize + cowpea (2:1), maize + soybean (2:1) and three zinc levels; Zn0= control or no zinc application, Zn1 = 20 kg ZnSO4 ha-1 (basal soil application) and Zn2 = 20 kg ZnSO4 ha-1 (basal soil application) + 0.5% ZnSO4 sprayed twice (30 DAS and 50 DAS).

Results: Sole maize recorded highest dry matter (11938 kg ha-1) yield. Soil + foliar zinc application (Zn2) recorded an increase of 37.93 % increase in dry matter yield over control (Zn0). Maize + legumes recorded higher nitrogen uptake. There was an overall increase (122.34%) in zinc uptake from Zn0 to Zn2. Soil + foliar applied Zn increased ZnUE by 27.60 % (619.14 kg) over soil applied Zn (485.19 kg). Zn application increased Zn values of soil to 0.50 ppm with soil application and 0.56 ppm with soil + foliar application from the initial value of 0.36 ppm.

Interpretation: Intercropping of legumes and application of 20 kg ZnSO4 as basal soil application plus two foliar applications of 0.5% ZnSO4 at 30 and 50 days after sowing significantly increased forage yield, nutrient uptake and enhanced soil zinc levels.

Key words: Cropping systems, Intercropping, Legumes, Nutrient dynamics, Yield, Zn fortification

 

 

 

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