Nitrogen Cycle Summary Nitrogen is an important structural component of many necessary compounds, particularly proteins. Atmosphere is the reservoir of free gaseous nitrogen and nitrogen compounds are found in bodies of organisms and in the soil. Living organisms cannot pickup elemental gaseous nitrogen directly from the atmosphere (except for nitrogen fixing bacteria). It has to be converted into nitrates to be utilised by plants. Search the Flora Europaea The data provided here have been extracted from the digital version of the Flora Europaea, the full version of which is held in the PANDORA taxonomic data base system at the Royal Botanic Garden Edinburgh. Click here for instructions on searching this data set. To search the data set, enter one or more words from the scientific name in which you are interested into the appropriate fields of the form. For example, enter family names in the Family name field, Genus names in the Genus name field etc. The Taxon name field allows for searches at ranks not covered in the other fields eg subspecies, section etc.
Make Your Own Ollas I first read about ollas (pronounced oh-yah) over at Little Homestead in the City. Basically it’s an ancient irrigation method that uses unglazed, porous clay pots buried within the root zones of plants. Water poured into the exposed necks of the pots (or pitchers) naturally seeps into the soil, providing a continuous supply of water to the plants. I’m intrigued by any method of watering that reduces consumption and is more natural. Ollas seem like the perfect answer, but premade ones can be expensive if you’re using them to irrigate everything.
Global Buckets: Olla Irrigation (Clay Pot System) We've been inspired by Fan Sheng-chih Shu. His writings from the first century BC describe a method of irrigation where a unglazed clay pot is buried in the soil. When filled with water the clay pot turns into an amazing high-tech device. The micro-pores of the clay pot allows water to seep into the surrounding soil. A key characteristic is that the water seepage is regulated by the water needs of any nearby plant. Experimenting With Ollas May 28th, 2009 The area of Central Texas where I live is under severe drought restrictions. Our well draws water from an underground lake called the Edwards Aquifer which requires rain to fall in a specific recharge zone for it to refill. Because of the dry conditions over the last few years, the aquifer is drastically low. To help ensure there is enough water to go around, our water conservation district is limiting ground water users to 3,000 gallons per person each month along with other restrictions such as watering plants by hand only. To help lower our water usage, I’ve started experimenting in the garden with ollas.
How To Use Pee In Your Garden If you can get over the ewwww factor, pee-cycling your own urine into the garden makes good sense. Fresh urine is high in nitrogen, moderate in phosphorus and low in potassium and can act as an excellent high-nitrogen liquid fertilizer or as a compost accelerator. Components of Urine The exact breakdown of urine varies depending on the diet of the pee-maker. The more protein a person consumes, the more nitrogen will be excreted into the urine. Typical Western Diet pee has an NPK ratio of about 11-1-2. Diagnosis Of Mineral Deficiencies In Plants By Visual Symptoms - Wallace, 1943 The processes concerned in the growth of plants are the subjects of study by plant physiologists and plant biochemists. A comprehensive account of these processes is outside the scope of the present work, the special object of which is to deal with the outward and visible signs of imperfections in the plant's activities caused by faulty mineral nutrition. Nevertheless it is useful to have before us the general features of the main processes involved and to realize that the symptoms we shall be discussing later have a physiological basis, and are not direct and unchangeable signs of the specific deficiencies but result from the derangement of the complicated mechanism of the plant's vital activities.
Online Tool For Diagnosing Tomato Problems Posted on 01 July 2008 by tomatocasual.com By Michelle Fabio A world free of tomato-growing problems would be perfect indeed, but Tomato Casual has found a fabulous online tool for when your leaves show brown spots with yellow halos or the blossom ends of your tomatoes turn black. The Tomato Problem Solver from the Aggie Horticulture team at Texas A & M can help you diagnose and treat your tomato growing difficulties. From the home page of the user-friendly Tomato Problem Solver, you can choose a general tomato disorder from the choices: Green Fruit, Ripe Fruit, Leaf, Stem, and Root.
The Complete Guide to Sick Plants, pH and Pest troubles! Marijuana Garden Saver: AKA The Complete guide to Sick Plants,pH, and Pest troubles! I have put a lot of work into this for those who need it when I'm not around This thread has been updated 7/15/2010 All updates are in RED.