Effects on juvenile growth and optimal days of germination were taken into account. The most efficient germination method was discussed with the best compromise between high germination, high yield, and uniform growth in mind. Leaf length increased between 12 and 18 ☌, before decreasing with temperature. Plant height increased linearly with temperature. The soaking treatment had no significant effects on the germination percentage, Temperature had significant effects on plant height, leaf length, chlorophyll content and biomass after propagation. Speed of germination was highest at 27 ☌, while the most uniform germination occurred at 12 ☌. The results showed highest germination percentage at 12 ☌, with decreasing germination rate with increasing temperature. The other half were transferred to the hydroponic system for seven days and then measured for height, leaf length, chlorophyll content and biomass. After the germination phase half of the seeds were dried and weighed for biomass. And the propagation phase, where the aim was to examine if the different treatments had any lingering effects on the growth and morphology of the plants after a week in the hydroponic system.įour temperatures were tested, 12, 18, 21 and 27 ☌ and a soaking treatment was included at 18 ☌, the seeds were germinated for seven days and a total of four replicates was performed. This was done in two phases, the germination phase where the aim was to see how the different treatments affected germination percentage, speed of germination and uniformity of germination. Compared to other crops grown in hydroponic systems, spinach presents a challenge, because of its frequently non-uniform and low seed germination, and germination is highly affected by temperature.īy exploring the effects of different temperatures and water soaking of the seeds on seed germination and juvenile plant growth, this thesis aimed to find the most efficient way of germinating spinach for use in a hydroponic system. Short production cycles require a uniform emergence of the crop for it to be economically viable. It is also economically sound for a vertical hydroponic system because of its short production cycles. ![]() The yield of hydroponically grown spinach has been found to be higher than field grown spinach. At Nära Sverige AB, constant seed trials are performed to find new suitable crops for cultivation, with spinach being on top of the list. ![]() Nära Sverige AB is doing just that, by growing kale, pak choi and salad hydroponically in an ebb and flow system, two stories below the ground in Liljeholmen, Stockholm. ![]() Indoor vertical hydroponic farms offer a solution to this by placing the farm in an urban environment and growing plants in a controlled environment. As the worlds urban population grows more and more every year, it becomes increasingly important that cities become more self-sufficient on food.
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