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Are horticulture-based land uses benign for fertility and health of soils in mid to high hills of the north-western Himalayan region?.

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Title Are horticulture-based land uses benign for fertility and health of soils in mid to high hills of the north-western Himalayan region?.
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Creator S Debnath
R Narayan
A Kumar
A Kishor
D B Singh
 
Subject Micronutrients
Soil quality
Soil fertility
Depletion;
Fruit crops
Vegetable
Cultivation
 
Description Not Available
Soil fertility in many parts of the north‒western Himalayan region (NWHR) has declined owing to accelerated nutrient mining under existing crop regime. Therefore, this study aimed to assess effect of the predominant horticulture‒based land uses on soil fertility and health in mid and high hills of NWHR. Soil samples (0‒20 cm) were collected, analyzed for different soil chemical attributes (pH, electrical conductivity, organic C, available primary-, secondary-, and micro-nutrients), and compared across five key land uses: perennial grass (PG), peach orchard (PO), apple orchard (AO), field vegetable farming (VF), and protected vegetable farming (PV). Soils of the investigated land uses were neutral to near neutral in soil reaction (6.3‒6.8) except field vegetable and protected vegetable farming. Amount of soil organic C and labile organic C was significantly higher (p≤0.05) in soils of apple orchards (18.6 g kg‒1 and 687.3 mgkg‒1, respectively) and peach orchards (20.4 g kg‒1and 731.3 mg kg‒1, respectively) over others. Anabrupt and significant increase in Olsen-P was recorded in soils of field vegetable farming (17.1 mg kg‒1)and protected vegetable farming (13.0 mg kg‒1), which shifted their nutrient index (NI) of P in to highcategory (≥2.33). The concentration of mineralizable-N in soil was statistically at par in soils underperennial grass and fruit orchards, while protected vegetable farming showed maximum soil mineraliz-able-N content (115.5 mg kg‒1) and NI of nitrogen (1.83). The NI was in high category (≥2.33) for copper,iron, and manganese in majority of the land uses. In view of the results, temperate fruit‒tree based landuses are benign in up‒keeping soil fertility and soil health, and needs promotion on large scale.Additionally, policies to create incentives for the build-up of soil organic matter and replenishment of the depleted soil macro and micro nutrients in vegetable-farmed lands are warranted
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Date 2020-08-19T10:01:05Z
2020-08-19T10:01:05Z
2020-01-01
 
Type Research Paper
 
Identifier Sovan Debnath, Raj Narayan, Anil Kumar, Arun Kishor & Desh BeerSingh (2020): Are horticulture-based land uses benign for fertility and health of soils in midto high hills of the north-western Himalayan region?, Soil Science and Plant Nutrition, DOI:10.1080/00380768.2020.1753110
0038-0768
http://krishi.icar.gov.in/jspui/handle/123456789/39812
 
Language English
 
Relation Not Available;
 
Publisher Not Available