Abstract
Two pot experiments were carried out under the green house of Faculty of Agriculture.; El-MansouraUniversity during the two successive winter seasons of 2006-2007 and 2007-2008 to study the substitution of some organic extracts which prepared from potato, tomato and fruit leaves instead of a part of mineral fertilizer to produce a safe yield of spinach plant. Twelve treatments were arranged in complete randomize block design with 3 replicates, which were the simple possible combination between four treatments of plant extracts (0, Potato extract, Tomato extract and fruit leaves extract) for foliar spraying and three treatments of N, P and K fertilizers (0, 50 % and 100 %) of recommended doses as soil addition and their combination .The obtained results can be summarized as follow: Spraying of residual plant extracts either in a single form or in combination with mineral fertilization led to a positive effect on the growth and yield of spinach plants. Increasing the rate of N, P and K fertilization from 50 to 100 % RD significantly increased the mean values of N, P and K contents in the leaves of spinach plant; such effect had no significant effect on the values of Fe (mg/100g). The accumulation of nitrate and nitrite in spinach fresh leaves increased as the level of mineral fertilizers increased. Foliar spraying of residual plant extracts which contain micronutrients in the presence of mineral fertilizers resulted in pronounces decrease in the values of NO3-N and NO2-N in spinach plant. Foliar spraying of plant residual extracts as solely had no significant effect on the mean values of total oxalate, while such effect significantly increased the values of soluble oxalate as compared to the untreated plants. There is no significant difference between the average values of total oxalate in spinach plant due to an addition of N, P and K fertilizers combined with spraying of residual plant extracts as compared to the same values obtained from the plants treated with N, P and K fertilizers only. Under the same condition of this investigation it could be recommended that; soil addition of N+P+K fertilizers at the rate of 50% from the recommended doses for spinach plant coupled with foliar spraying of potato foliage residual extract is considered as the best treatment for producing a safe yield of spinach plant.
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Claims 11
Claim · model-written summary
Residual plant extracts improved spinach growth and yield.
- Taxon
- spinach plants
Spinacia oleraceae0 - Treatment
- residual plant extractse0
- Outcome
- growth and yielde0
- Direction
- positive effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Spraying of residual plant extracts either in a single form or in combination with mineral fertilization led to a positive effect on the growth and yield of spinach plants.”
Claim · model-written summary
Increasing NPK fertilization from 50 to 100 percent increased leaf N, P and K contents significantly.
- Taxon
- spinach plantSpinacia oleraceae0
- Organ / stage
- leavese0
- Treatment
- N, P and K fertilization from 50 to 100 % RDe0
- Outcome
- N, P and K contentse0
- Direction
- increasede0
- Comparator
- 50e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing the rate of N, P and K fertilization from 50 to 100 % RD significantly increased the mean values of N, P and K contents in the leaves of spinach plant”
Claim · model-written summary
The fertilizer rate increase had no significant effect on leaf Fe.
- Taxon
- SPINACH PLANTSpinacia oleraceat0
- Treatment
- MINERAL FERTILIZATIONt0
- Outcome
- values of Fe (mg/100g)e0
- Direction
- no significant effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“such effect had no significant effect on the values of Fe (mg/100g).”
t0“SPINACH PLANT (SPINACH OLERACEA L.) AS AFFECTED BY MINERAL FERTILIZATION”
Claim · model-written summary
Nitrate accumulation increased with mineral fertilizer level.
- Taxon
- spinachSpinacia oleraceae0
- Organ / stage
- fresh leavese0
- Treatment
- mineral fertilizerse0
- Outcome
- accumulation of nitratee0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The accumulation of nitrate and nitrite in spinach fresh leaves increased as the level of mineral fertilizers increased.”
Claim · model-written summary
Nitrite accumulation increased with mineral fertilizer level.
- Taxon
- spinachSpinacia oleraceae0
- Organ / stage
- fresh leavese0
- Treatment
- mineral fertilizerse0
- Outcome
- nitritee0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The accumulation of nitrate and nitrite in spinach fresh leaves increased as the level of mineral fertilizers increased.”
Claim · model-written summary
Foliar residual extracts with fertilizer decreased spinach NO3-N.
- Taxon
- spinach plantSpinacia oleraceae0
- Treatment
- Foliar spraying of residual plant extractse0
- Outcome
- NO3-Ne0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar spraying of residual plant extracts which contain micronutrients in the presence of mineral fertilizers resulted in pronounces decrease in the values of NO3-N and NO2-N in spinach plant.”
Claim · model-written summary
Foliar residual extracts with fertilizer decreased spinach NO2-N.
- Taxon
- spinach plantSpinacia oleraceae0
- Treatment
- Foliar spraying of residual plant extractse0
- Outcome
- NO2-Ne0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar spraying of residual plant extracts which contain micronutrients in the presence of mineral fertilizers resulted in pronounces decrease in the values of NO3-N and NO2-N in spinach plant.”
Claim · model-written summary
Residual extracts alone had no significant effect on total oxalate.
- Taxon
- SPINACH PLANTSpinacia oleraceat0
- Treatment
- Foliar spraying of plant residual extracts as solelye0
- Outcome
- total oxalatee0
- Direction
- no significant effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar spraying of plant residual extracts as solely had no significant effect on the mean values of total oxalate”
t0“SPINACH PLANT”
Claim · model-written summary
Residual extracts alone significantly increased soluble oxalate against untreated plants.
- Taxon
- SPINACH PLANTSpinacia oleraceat0
- Treatment
- RESIDUAL PLANT EXTRACTSt0
- Outcome
- soluble oxalatee0
- Direction
- increasede0
- Comparator
- untreated plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“such effect significantly increased the values of soluble oxalate as compared to the untreated plants.”
t0“SPINACH PLANT (SPINACH OLERACEA L.) AS AFFECTED BY MINERAL FERTILIZATION AND SOME RESIDUAL PLANT EXTRACTS”
Claim · model-written summary
Total oxalate did not differ significantly with fertilizer plus extracts versus fertilizer alone.
- Taxon
- spinach plantSpinacia oleraceae0
- Treatment
- N, P and K fertilizers combined with spraying of residual plant extractse0
- Outcome
- total oxalatee0
- Direction
- no significant differencee0
- Comparator
- N, P and K fertilizers onlye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There is no significant difference between the average values of total oxalate in spinach plant due to an addition of N, P and K fertilizers combined with spraying of residual plant extracts as compared to the same values obtained from the plants treated with N, P and K fertilizers only.”
Claim · model-written summary
Authors recommend half dose NPK with foliar potato foliage extract for safe spinach yield.
- Taxon
- spinach plantSpinacia oleraceae0
- Treatment
- soil addition of N+P+K fertilizers at the rate of 50% from the recommended dosese0
- Outcome
- best treatment for producing a safe yield of spinach plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil addition of N+P+K fertilizers at the rate of 50% from the recommended doses for spinach plant coupled with foliar spraying of potato foliage residual extract is considered as the best treatment for producing a safe yield of spinach plant.”
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See all 25 papers →8 of 11 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.