Crops respond effectively to nitrogen, but over-feeding must be averted for the reason that for higher nitrate concentrations in the leaves and stems can final result which is undesirable.
Regular programs of an organic and natural liquid fertiliser should arise each 2 weeks or so for greatest final results. Liquid fertilisers are ordinarily diluted in advance of application the plants. Pests and conditions.
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The most important fungal diseases, which result drinking water spinach, are stem rot ( Fusarium oxysporum ) and black rot ( Ceratocystis fimbriata ). For prevention of fungal ailments methods this kind of as use of cleanse land and rotate crops each third or fourth yr, very carefully pick out stems for propagation that are condition no cost. Internal cork, chlorotic leaf spot, yellow dwarf and russet crack are viral ailments which can also influence h2o spinach.
Simple Key element
The most crucial insect pests are leaf beetle, aphids, and wire worm. Harvest. Water spinach must be harvested before it flowers. In the semi aquatic variety, the crop is prepared for harvest fifty-60 times https://plantidentification.biz/ following sowing, when entire vegetation are pulled, washed and bundled. Extra than a person harvest can be taken if shoots are cut above floor degree, allowing secondary shoots to expand from nodes below the reduce.
Some other Methods
In the aquatic type, the to start with harvest can be manufactured immediately after about a thirty day period of excellent advancement. The frequency of harvesting will rely on the expansion charge of the crop.
The higher part of the primary shoot, about thirty cm long, is cut about five cm higher than drinking water amount. Bundles of 8-10 shoots are marketed.
Elimination of the principal shoot stimulates horizontal shoot progress. These new shoots can be harvested in four-6 months, relying on plant vigour and temperature. About 40 tonnes/ha can be harvested from three or additional cuttings in a year. Rapid and cautious publish-harvest managing is demanded to minimise problems to the fragile crop, specially owing to wilting induced by dampness decline. To reduce this, the crops really should be harvested for the duration of the coolest section of the working day.
Right after bunching, a fantastic spray of chilly drinking water should be used, and the leaves retained in a cool location away from the wind. Leaves are commonly offered in 500 gram bunches in the marketplaces. Further reading. Dahlen, M. (1992) A Cook’s Guidebook to Chinese Vegetables, The Guideline Guide Enterprise Ltd, Hong Kong.
Hackett, C. and Carolane, J. (1982) Edible Horticultural Crops. Academic Press, Australia. Larkcom, J.
(1991) Oriental Vegetables: The Complete Manual for the Gardening Cook dinner. John Murray Ltd. London.
Nguyen, V. Q. (1992)Rising Asian Vegetable, Agfact H8. Rubatzky, V. (1990) Specialty and slight crops Handbook Chinese H2o Spinach, Swamp Cabbage, Kang Kong, Drinking water Convolvulus. The compact Farm Centre, University of California. United states. Waters, C. T. , Morgan, W. C. and Mc Geary, D. J. (1992) Oriental Vegetables: How to Discover, Mature and Use. Government of Victoria. Division of Agriculture, Agmedia, Melbourne. Yamagushi, M. (1983) Globe Veggies: Rules, Output, and Nutritive Values. AVI Publishing Firm, United states. Contact/Expert services available. Correct diagnosis is critical for powerful pest and condition regulate. A business diagnostic support is available at the AgriBio Bundoora. For even further info, telephone Crop Health and fitness Solutions on (03) 9032 7515. For more information on registered chemicals, telephone our Purchaser Services Centre on 136 186. Acknowledgements. This Agriculture Observe was organized by Murat Best and Bill Ashcroft in March 2002.