Economics of Cultivation of Blackberry

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GREEN HOUSE
INTRODUCTION

Agriculture is the backbone of India’s economic activity and our experience during the last 50 years has demonstrated the strong correlation between agricultural growth and economic prosperity. The present agricultural scenario is a mix of outstanding achievements and missed opportunities. If India has to emerge as an economic power in the world, our agricultural productivity should equal those countries, which are currently rated as economic power of the world. We need a new and effective technology which can improve continuously the productivity, profitability, sustainability of our major farming systems. One such technology is the green house technology. Although it is centuries old, it is new to India. So, Greenhouse Technology is the technique of providing favorable environment condition to the plants. “Greenhouses are framed or inflated structures covered with transparent or translucent material large enough to grow crops under partial or fully controlled environmental conditions to get optimum level of productivity. ADVANTAGES OF GREENHOUSES:

* The yield may be 10-12 times higher than that of outdoor cultivation depending upon the type of greenhouse, type of crop, environmental control facilities. * Reliability of crop increases under greenhouse cultivation. * Ideally suited for vegetables and flower crops.

* Year round production of floricultural crops.
* Off-season production of vegetable and fruit crops.
* Disease-free and genetically superior transplants can be produced continuously. * Efficient utilization of chemicals, pesticides to control pest and diseases. * Water requirement of crops very limited and easy to control. * Maintenance of stock plants, cultivating grafted plant-lets and micro propagated plant-lets. * Hardening of tissue cultured plants

* Production of quality produce free of blemishes.
* Most useful in monitoring and controlling the instability of various ecological system. * Modern techniques of Hydroponic (Soil less culture), Aeroponics and Nutrient film techniques are possible only under greenhouse cultivation.

Blackberry

The blackberry is an edible fruit produced by Rubus fruticosus, or any of several hybrids between that species and others of the Rubus genus in the Rosaceae family.

Origin
The blackberry has a long and interesting history. According to the “Manual of Vascular Flora of the Carolinas”, 11 species of blackberries are either native to North Carolina or were introduced very early to the state.

Site considerations
Blackberries grow best in warmer, temperate regions
and are generally considered less hardy than raspberries.
The plants flower relatively late, from May onward, and
bloom over a long period.
Blackberries prefer full sun and a well-drained soil.
The most suitable soils are high in humic or organic matter (2 to 4 percent) having a pH of 6.0 to 6.5. Sandy loam or loam soils are best. Blackberries can be grown on sandy soils, using soil amendments to increase and maintain organic matter.

Cultivar recommendations
The following recommendations are based on research
trials and grower experience in North Carolina

Mountains
Arapaho, Chester, Cherokee, Cheyenne, Kiowa,
Navaho, Shawnee, and Triple Crown

Piedmont
Arapaho, Cheyenne, Choctaw, Kiowa, Navaho,
Shawnee, and Triple Crown

Coastal plain
Arapaho, Chester, Cheyenne, Choctaw, Hull, Kiowa,
Lochness, Navaho, Shawnee, and Triple Crown

Land preparation
At least one year before planting, a summer cover
crop like sudangrass or a winter cover crop of rye, oats, or wheat should be planted. A cover crop will suppress weeds and increase organic matter. Soils should be tested and lime applied according to soil test recommendations. Optimal spacing between plants and rows varies,

depending on plant type, training method, and size of farm equipment....
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