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EFFECT OF TREE SPACING AND ORGANIC MANURES ON GROWTH AND YIELD OF VEGETABLE CROPS UNDER Melia composita Willd. BASED AGROFORESTRY SYSTEM

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Title EFFECT OF TREE SPACING AND ORGANIC MANURES ON GROWTH AND YIELD OF VEGETABLE CROPS UNDER Melia composita Willd. BASED AGROFORESTRY SYSTEM
 
Creator SUHAIL AHMAD, BHAT
 
Contributor PANT, K.S.
 
Subject organic fertilizers, spacing, planting, crops, yields, fruits, biomass, land resources, farming systems, farmyard manure
vegetable crops, growth and yield
 
Description ABSTRACT
The present investigations entitled “Effect of tree spacing and organic manures on growth and yield of vegetable
crops under Melia composita Willd. based agrisilviculture system” was carried out at Agroforestry Research Farm, Dr. Y.S.
Parmar University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh for two consecutive years, 2012 and 2013.
The experiment was carried out on the existing 6 years old Melia composita Willd. based agroforestry system. The
experiment was laid out by using Randomized Block Design (factorial) with seven different doses of organic manures, T1
FYM (5 t ha-1), T2 FYM (7.5 t ha-1), T3 FYM (10.5 t ha-1), T4 vermicompost (2.5 t ha-1), T5 vermicompost (3.5 t ha-1), T6
vermicompost (5 t ha-1), T7 control (no manure) with three replications and two distinct tree spacings viz. 8 m x 5 m and 8 m
x 4 m under Melia and one open condition (without trees). The pooled result revealed that yield and growth performance of
winter season vegetable crops was almost same for both spacings and open spacing. In summer season crop yield reduction
upto 45% and 50% was observed in capsicum under tree spacings 8m x 5m and 8m x 4m respectively when compared to
sole cropping. Similarly 70% and 74% fruit yield reduction was also observed in tomato under tree spacings 8m x 5m and
8m x 4m respectively as compared to sole cropping. The difference in crop yield during winter season was found to be
negligible. Among pea crops, maximum pod yield was recorded in spacing 8m x 4m which was significantly at par with 8m
x 5m whereas, minimum pod yield was recorded in sole crop. However in cauliflower, maximum curd yield was recorded in
sole crop and minimum curd yield was recorded in tree spacing 8m x 4m which was, however, statistically at par with
spacing 8m x 5m. On the other hand optimum use of organic manure benefited the intercrop by improving the growth of
plants even in the presence of trees as compared to sole plots during both Kharif and Rabi crop season. In most of the cases
vermicompost @ 5 t ha-1 showed highest crop yield followed by Vermicompost @ 3.5 t/ha and FYM @ 10 t ha-1. On
contrary with that, control plots (no manures) recorded minimum crop yield, during both the cropping seasons. Use of
organic manures increased the growth of vegetable crops, higher doses of organic manures were found more effective in
improving the growth of vegetable crops in presence and absence of Melia composita trees. The findings of present study
suggested that cultivation of vegetable crops in combination with trees like Melia composita, especially during winter season
may be recommended for better economic return from the agroforestry systems. However, during summer season decrease in
growth and yield parameters of tomato and capsicum within the agroforestry system probably indicates intense competition
for critical resources like water, nutrients, photo synthetically active radiation. Soil chemical properties like soil organic
carbon, pH, EC and nutrients availability were improved under agroforestry system than sole crop system. The availability
of nutrients like N, P, K were high where, higher doses of organic manures were applied in agroforestry system as well as in
sole crop system. It also suggested that the agroforestry system have higher potential of producing biomass (woody and nonwoody)
than monocropping system
 
Date 2016-06-14T14:12:22Z
2016-06-14T14:12:22Z
2015
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/67360
 
Language en
 
Format application/pdf