Note for PLSOILIN 315 at UMass(9)
Note for PLSOILIN 315 at UMass(9)
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This 3 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at University of Massachusetts taught by a professor in Fall. Since its upload, it has received 12 views.
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Date Created: 02/06/15
PLSOILIN 315 Greenhouse Irrigation A Water Sou rces 1 Public water supplies 2 Private wells and ponds 3 Rainwater collection 4 Irrigation water quality issues a Sodium and chloride b pH and alkalinity B Basics of Watering Iron de ciency chlorosis on calibrachoa This problem often occurs when plants are irrigated with water having high pH and high alkalinity Factors affecting frequency of watering Factor Water less freq uently Water more frequently Environmental conditions Cloudy rainy weather Sunny dry weather Environmental conditions Cool short days of winter Warm to hot long days of summer Environmental conditions High humidity Low humidity Stage of plant growth Small plants or seedlings Mature plants Growing medium A growth medium with high waterholding capacity ie lots of peat moss A growth medium with low waterholding capacity ie lots of perlite or other coarse particles Container size Large Small Type of container Nonporous plastic Porous clay Time since last transplanting Recently transplanted Potbound plants or big plants in small pots Type of plant Succulent plants like cactus Nonsucculent plants with many leaves like bedding plants THB C Irrigation Systems for Containerized Plants and Plants lnground 1 Overhead and surface systems a Hose watering b Spaghetti tube systems eg Chapin system Neta m drippers c Ooze tubes lowpressure polyethylene tube systems such as Chapin Twinwall Chapin Dew Hose Chapin DripHose Ooze Headers and JumboOozers d Boom irrigation 2 Subirrigation systems for containerized plants only a Capillary mats tube irrigation system eg Chapin system or ooze tubes to wet the mats b Recirculating subirrigation systems covered in lab with a Powerpoint presentation called Greenhouse Subirrigation Systems From The Greedtouse Environment Joli w Mas l39alcrz H71 1 quot f l39quot 39 u c I z v x lt 4 I V s 1 II t I i 3 I During irrigation i ykwpggwm Rigid plastic pip ning 39 D l I Watt lawlv off a I ruequot w Jeri Cayarymw mums I m 5 FIGURE 76 Diagram of Gates peripheral irrigation system Insert shows FIGURE 78 Diagram of Greco plastic tube irrigation system quotwon nozz39e39 r 39r a hns bus 39 1 For irriaa h39n bed 5 FIGURE 711 Diagram of Chapin tube irrigation system for pot plants Black planic main amend to m Hutic vine ruler 9 le 9 7quot 39 Saul dimtor quotW 9 V 9 V 9 V W louder lub wilh lad weigh pl 91ml Mm L mquot container 1 l 6 39 Lnd irt noxle 714 Diagram of capillary sand bench irrigated with Chapin 9 Mudt SU b i quot13er on uptllmy wtl ti39l39hs
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