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Primernost avtohtone in umetne zemljine za vrtnarski substrat
ID Brelih, David (Author), ID Zupan, Marko (Mentor) More about this mentor... This link opens in a new window

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Abstract
V diplomski nalogi smo v lončnem poskusu ugotavljali, ali lahko avtohtono zemljo iz opuščenega zemljišča z dodatkom kurjega gnoja obogatimo do te mere, da bi z njo nadomestili profesionalne hortikulturne substrate. V poskusu smo imeli dva osnovna substrata, presejano avtohtono zemljino (A) in umetno pripravljen mineralni substrat iz zemeljskih izkopov in zdrobljenih kamnin (B). Osnovnima substratoma smo dodali uležan in preperel kurji gnoj v 0, 5, 10, 25 in 50 volumskih odstotkih in pripravili hortikulturne substrate. Kakovost smo preverili s kemijskimi analizami in testno rastlino. Za kontrolo (K) smo uporabili profesionalni substrat podjetja Humko d.o.o. S tako pripravljenimi mešanicami smo napolnili litrske lonce in vanje posadili potaknjence pelargonije. Vsako obravnavanje smo izvedli v treh ponovitvah. V obdobju 11 tednov (april – junij) smo spremljali rast rastlin in večkrat izmerili dolžino poganjkov, število listov in cvetnih nastavkov. Občasno smo rastline močneje zalili, da smo odvzeli tudi vzorce izcednih vod, ter v laboratoriju kontrolirali pH vrednost, električno prevodnost in koncentracijo nitrata. Pred in po poskusu smo opravili laboratorijske meritve talnih vzorcev in ugotovili, da smo avtohtono zemljino z odmerki kurjega gnoja obogatili, da so imele nekatere mešanice substratov podobne lastnosti kot profesionalni substrat, nekatere celo boljše. Najboljši rezultati so bili v loncih s 25 in 50 volumskih odstotkih gnoja. V vseh meritvah so bili substrati narejeni iz avtohtone zemljine boljši od substratov iz umetne mineralne zemljine. Zaradi dobre izhodiščne založenosti s hranili tudi boljše od profesionalnega substrata. Večji odstotek gnoja je pomenil boljšo rodovitnost, kar se je zelo intenzivno pokazalo pri mešanicah kurjega gnoja in umetnega mineralnega substrata, ki je imel zelo slabo izhodiščno založenost s hranili in humusom.

Language:Slovenian
Keywords:avtohtona tla, umetna zemljina, hortikulturni substrat
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Year:2022
PID:20.500.12556/RUL-141199 This link opens in a new window
COBISS.SI-ID:126094851 This link opens in a new window
Publication date in RUL:25.09.2022
Views:435
Downloads:64
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Secondary language

Language:English
Title:Suitability of natural and artificial soil for horticultural substrate
Abstract:
In the diploma thesis, we determined whether the indigenous soil from the abandoned land can be enriched with the addition of chicken manure to the extent that it could replace the professional horticultural substrate. We had two basic substrates in the experiment: sifted indigenous soil (A) and artificially prepared mineral soil from soil excavations and crushed natural rocks (B). We added settled and weathered chicken manure to the basic substrates in 0, 5, 10, 25, and 50 percent by volume and prepared soil mixtures - horticultural substrates. We checked the quality with chemical analyses and a test plant. For control (K) we used a professional substrate from Humko d.o.o. We filled one-liter pots with the mixtures prepared in this way and planted pelargonium cuttings in them. Each treatment was performed in three replicates. During the period of 11 weeks (April - June), we monitored the growth of the plants and measured the length of the shoots, the number of leaves, and flower appendages several times. From time to time, we watered the plants more vigorously to take samples of the leachate, and the pH value, electrical conductivity, and nitrate concentration were controlled in the laboratory. Before and after the experiment, we performed laboratory measurements of soil samples and found that we enriched native soil with doses of chicken manure that had similar properties to the professional substrate, some even better. The best results were in pots with 25 and 50 percent of manure. In all measurements, substrates made from indigenous soil were better than substrates made from artificial mineral soil; even better than the professional substrate due to the good starting supply of nutrients. A higher percentage of manure meant better fertility, which was very intensively demonstrated in the case of mixtures of chicken manure and artificial mineral substrate, which had a very poor initial supply of nutrients and humus.

Keywords:native soil, artificial soil, horticultural substrate

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