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Pattern of nutrient dynamics through litterfall in Melia composita plantation with different 82espacements under agroforestry

Indian Agricultural Research Journals

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Title Pattern of nutrient dynamics through litterfall in Melia composita plantation with different 82espacements under agroforestry
 
Creator Singh, Baljit
Kaur, Harmandeep
Gill, Rishi
Kaur, Navneet
Singh, Avtar
 
Subject Litterfall
months
nutrient concentration
nutrient return
spacings
soil OC
 
Description Litterfall addition from tree species leads to return of a considerable amount of organic matter and nutrients to the soil. The study on litterfall addition and nutrient return was conducted in a Melia composita Willd. (burma dek) plantation having three spacings [5 x 3 m, 7 x 3 m (paired at 2.5 m) and 7 x 3 m] in an agroforestry system during its 4th, 5th and 6th year of age. The growth parameters of plants, quantity of litterfall addition during different months, concentration and return of nutrients (N, P and K) through litterfall and changes in soil organic carbon (OC) and available nutrients (N, P and K) were determined. The DBH (18.47 cm) and height (16.19 m) of plants after 6 years of growth were higher in 7 x 3 m spacing than the other two spacings. The total litterfall addition during 4th, 5th and 6th year was highest (4.04, 4.64 and 5.05 t/ha, respectively) in 7 x 3 m (paired at 2.5 m) spacing and lowest (2.64, 3.48 and 3.95 t/ha, respectively) in 7 x 3 m spacing. Litterfall addition was higher in December than October, November and January. The concentration of nutrients was highest in October during every year and decreased in succeeding months. The return of N, P and K averaged over age was significantly higher (39.42, 6.51 and 32.39 kg/ha, respectively) in 7 x 3 m (paired at 2.5 m) spacing than the other spacings. Soil OC, available N, P and K were higher under trees than their initial status and their content was highest (4.17 g/kg, 144.2, 19.27 and 196.3 kg/ha, respectively) in 5 x 3 m spacing. Therefore, it is concluded that the inclusion of Melia composita in the cropping systems can sustain the soil health due to addition of litterfall from the trees.
 
Publisher Indian Society of Agroforestry
 
Date 2023-12-26
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/IJA/article/view/143398
 
Source Indian Journal of Agroforestry; Vol. 25 No. 2 (2023): Indian Journal of Agroforestry Volume 25 Number 2
2456-6489
0972-0715
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/IJA/article/view/143398/53484