Soilless crop production TNAU AGRI NOTES PDF DOWNLOAD 2021

 SAC 453 Soilless crop production (1+1)

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LECTURE No. 1 IMPORTANCE AND SCOPE OF PROTECTED AGRICULTURE; FACTORS AFFECTING CROP 

GROWTH UNDER PROTECTED CULTIVATION – TEMPERATURE, LIGHT INTENSITY, CO2 AND HUMIDITY

LECTURE No. 2 INTRODUCTION TO SOILLESS CULTIVATION OF PLANTS- VARIOUS SYSTEMS OF SOIL-LESS 

CROP PRODUCTION - BAG CULTURE- CONTAINER CULTURE-TROUGH CULTURE-THIN LAYER SYSTEMS-OTHER ALTERNATIVE SYSTEMS

LECTURE No. 3 HISTORY OF SOLUTION CULTURE AND PRESENT METHODS OF HYDROPONICS - DEEP WATER CULTURE-FLOATING HYDROPONICS-NUTRIENT FILM TECHNIQUE-PLANT PLANE HYDROPONICSAEROPONICS - BASIC NEEDS AND SUITABLE CROPS FOR HYDROPONICS

Lecture 4 Speciality / Customised Fertilisers- Definitions- Production- Characteristics, SourcesSuitabilityfor Crops MeritsandDemerit

LECTURE No.5 FERTILIZATION - NUTRIENT REQUIREMENTS BY CROPS, ABSORPTION OF NUTRIENTS, NUTRIENT RATIOS AND ITS EFFECT ON CROP GROWTH AND YIELD; SENSOR BASED NUTRIENT MANAGEMENT

LECTURE No.6 CONTAINERS – KINDS OF SUBSTRATES - SAND, GRAVEL, ROCKWOOL, EXPANDED MINERALS, PUMICE, ZEOLITE, PYROCLASTIC MATERIALS, PEAT, COIR, TREE BARK, SAWDUST, WOOD FIBRES, ETC. – RESOURCES AND METHODS OF PREPARATION

LECTURE No.7 PHYSICAL PROPERTIES OF SUBSTRATES - AIR TO WATER RATIOS, BULK DENSITY, PARTICLE SIZE DISTRIBUTION, POROSITY, WATER RELEASE CURVES, HYDRAULIC CONDUCTIVITY

LECTURE No.8 CHEMICAL PROPERTIES OF SUBSTRATES - PH, ELECTRICAL CONDUCTIVITY, ION SORPTION, ION EXCHANGE, CONCENTRATION AND COMPOSITION OF IONS, CATION EXCHANGE CAPACITY

Lec. 10. Value added fertilizers- enriched with organics/chelates

Lec. 11. Methods and Guidelines for Preparing Designer Fertilizers - Filler Materials

Lec. 12 Industries and Approved formulations and mixtures – Advantages and Disadvantages - Key Challenges

Lec. 13. Quality of Designer Fertilizers - Compatibility of Fertilizer Materials - Issues In Storability-Hygroscopicity- Clogging- Toxicity

Lecture No. 14. Crop response to designer fertilizers - Agricultural and horticultural crops- yield and quality- Soil health and nutrient use efficiencies

Lecture No. 15 Feasibility of using designer fertilizers for drip fertigation - Poly houses - roof gardening

Lecture No 16. Quality Standards-Specifications for Designer Fertilizers

Lecture No. 17 Guidelines for Patenting- Licensing and Registration of Newer Products

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