NUTRITIONAL SURVEY OF MANGO (Mangifera indica L.) ORCHARDS IN KANGRA DISTRICT OF HIMACHAL PRADESH
Loading...
Date
2017-09
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
UHF,NAUNI
Abstract
ABSTRACT
Investigation entitled “Nutritional survey of mango (Mangifera indica L.) orchards in Kangra
district of Himachal Pradesh” was undertaken to ascertain the nutritional status of mango orchards,
located in Fatehpur, Nurpur and Indora blocks of Kangra district and to establish the relationships
among soil characteristics and nutrient contents of soils and plants. Based on uniformity in respect of
age and tree vigour, 30 representative orchards were selected and “Dashehri” variety of mango was
selected for study as most of the well established orchards in these blocks were under this variety. Soil
(0-15 and 15-30 cm depths) and plant (leaf) samples collected from mango orchards were analyzed
for physico-chemical properties (texture, pH, EC, OC), macro-nutrients (N, P, K, Ca, Mg, S) and
micro-nutrients (Zn, Cu, Fe, Mn, B and Mo) status. The soils were coarser in nature having sandy
loam to gravelly sandy clay loam texture and were nearly neutral in reaction. The electrical
conductivity values were in safe limits (less than 0.8 dSm-1). The organic carbon contents were
medium to high. Nutrient index values showed that the soils were high in available P, K, Ca, Mg, S,
Cu and Mn except Zn and B which were low in both the surface and sub-surface layers. The soil
fertility status indicated that 15, 25, 25, 60 and 20 per cent orchard soils were low in available N, Zn,
Fe, B and Mo whereas 100 per cent soils were high in available K, Ca, Mg, S and Cu content. The
leaf nutrient status showed that 20, 60 and 40 per cent samples were low in Zn, B and Mo and 55, 90
and 50 per cent samples were high in N, Mg and Fe. The per cent coefficient of variations found high
in soil and plants could be due to variations in parent material and orchard management practices.
Organic carbon was positively and significantly correlated with N, P, Cu and Mn. Available N, K,
Mg, S and Mn exhibited positive and significant relationship with their respective leaf nutrient
contents.
Description
Keywords
null