EFFECTS OF NITROGEN, PHOSPHORUS, AND POTASSIUM ON RUTABAGA YIELDS

1973 ◽  
Vol 53 (2) ◽  
pp. 357-361 ◽  
Author(s):  
J. A. CUTCLIFFE ◽  
D. C. MUNRO
Keyword(s):  
Nitrogen And Phosphorus ◽  
Soil P ◽  
Phosphorus And Potassium ◽  
Cropping Seasons ◽  
Nitrogen Phosphorus

The effects of nitrogen, phosphorus, and potassium on the yield and shape of rutabagas (Brassica napobrassica Mill., cult York) were investigated at three locations each year during three successive cropping seasons. Total and marketable yields were increased at most locations by applications of nitrogen and phosphorus, but applied potassium increased yields at only three locations. For maximum yields, rates of 90–112 kg/ha of N and 49–130 kg/ha of P were necessary. Where soil P levels were low, yield increases from applied N were obtained only when accompanied by adequate phosphorus. The ratio of the equatorial/polar diameters of the roots was increased by added N, and to a lesser extent, by applied P and K.

EFFECTS OF NITROGEN, PHOSPHORUS AND POTASSIUM ON YIELD AND MATURITY OF CAULIFLOWER

1976 ◽  
Vol 56 (1) ◽  
pp. 127-131 ◽  
Author(s):  
J. A. CUTCLIFFE ◽  
D. C. MUNRO
Keyword(s):  
Brassica Oleracea ◽  
Nitrogen And Phosphorus ◽  
Phosphorus And Potassium ◽  
Cropping Seasons ◽  
Nitrogen Phosphorus ◽  
Brassica Oleracea L

The effects of nitrogen, phosphorus, and potassium on the yield and maturity of cauliflower (Brassica oleracea L. ssp. botrytis cv. Snowball Y) were investigated at a total of nine locations during three successive cropping seasons. Yields were substantially increased at most locations by applications of nitrogen and phosphorus but were only slightly affected by applied potassium. Maturity was slightly delayed by a lack of phosphorus. Maximum yields were generally obtained where N was applied at 112–224 kg/ha, P at 49–98 kg/ha, and K at 93 kg/ha.

scholarly journals Statistical comparison of soil analysing results of chernozem soils

2008 ◽  
pp. 93-99
Author(s):  
Róbert Víg ◽  
Attila Dobos ◽  
Zoltán Pongrácz
Keyword(s):  
Zinc Content ◽  
Soil Samples ◽  
Soil Types ◽  
Chernozem Soil ◽  
Nitrogen And Phosphorus ◽  
Soil Plasticity ◽  
The Difference ◽  
Phosphorus And Potassium ◽  
Precision Fertilization ◽  
Nitrogen Phosphorus

The soil fertility was degraded as a result of unreasonable tillage, therefore the application of site-specific nutrient replacement is necessary. It is essential for the application of precision fertilization to know the location, extension, soil properties and nutrient-supply of the different soil types ofcultivated areas.We collected soil samples from 580 hectares of land in 2006. Soil samples were collected from every 5 ha in 30 and 60 cm depths during Spring from 20.05.2006 to 12.06.2006 and again in Autumn from 09.19.2006 to 02.10.2006. Soil samples were analysed at the Department of Agricultural Chemistry and Soil Science of DE-ATC.The two examined soils are slightly calcareous, weakly saline, poor in zinc. The calcareous chernozem soil is slightly acid, the content of humus, nitrogen, phosphorus and potassium is medium in this soil. The meadow chernozem soil is slightly alkaline, and properly supplied with humus and potassium, and middling supplied with nitrogen and phosphorus. The meadow chernozem soil is more heterogenous in soil plasticity, lime, saline, nitrogen phosphorus and potassium content and less heterogenous in pH and zinc content than the calcareous chernozem soil.Standard deviation of measured values in pH, soil plasticity, humus and nitrogen content significantly differ between the examined soil types. The soil plasticity, pH, humus, nitrogen and zinc content significantly differ among calcareous chernozem soil and meadow chernozem soil, but the difference in phosphorus content can be statistically proven only in case of Spring soil sampling.

scholarly journals PENGGUNAAN BATANG PISANG KEPOK (Musa paradisiaca formmatypica) DENGAN DOSIS BERBEDA DALAM MENUMBUHKAN PAKAN ALAMI

2020 ◽  
Vol 8 (2) ◽  
pp. 129-140
Author(s):  
Natalia Lusia Igo ◽  
Ade Yulita Hesti Lukas ◽  
Yudiana Jasmanindar
Keyword(s):  
The Body ◽  
Nitrogen And Phosphorus ◽  
Musa Paradisiaca ◽  
Phosphorus And Potassium ◽  
Nitrogen Phosphorus ◽  
Different Doses

This research was conducted for a month, in the laboratory of the Faculty of Marine and Fisheries of Nusa Cendana University. The study aims to determine the use of a banana kepok stem (Musa paradisiaca formmatypica) with different doses to see the type of natural feeds growing and the abundance of it. The banana kepok stem (Musa paradisiaca  formmatypica) generally contains nitrogen, phosphorus and potassium. Nitrogen and phosphorus important to growing of natural feeds, while potassium important to increase the body durability of it. This study uses different dosages to see the abundance of natural feed. The dose used is 50 g.L-1, 75 g.L-1, 100 g. L-1. The results of the study showed the type of natural feed that grows are Daphnia sp and Infusoria and the highest amount of natural feed density in the treatment with dose of 75 g that is Infusoria as much as 356x104 cells.ml-1 and Daphnia sp as much as 168x104 cells.ml-1. The use of stem banana kepok (Musa paradisiaca formmatypica) can be used as feed for fish. Keywords: Banana kepok  stem (Musa paradisiaca formmatypica),  Dosages, Natural feed

Litterfall and nutrient cycling in four Hawaiian montane rainforests

1995 ◽  
Vol 11 (2) ◽  
pp. 189-203 ◽  
Author(s):  
Peter M. Vitousek ◽  
Grant Gerrish ◽  
Douglas R. Turner ◽  
Lawrence R. Walker ◽  
Dieter Mueller-Dombois
Keyword(s):  
Nitrogen Concentration ◽  
Parent Material ◽  
Nutrient Concentrations ◽  
Nitrogen And Phosphorus ◽  
Mauna Loa ◽  
Tree Ferns ◽  
Material Texture ◽  
Phosphorus And Potassium ◽  
Substrate Age ◽  
Nitrogen Phosphorus

ABSTRACTThe mass of fine litterfall and nutrient circulation through litterfall were determined in four Melrosideros polymorpha/Cibotium spp.-dominated rainforests that differed in substrate age, parent material texture and annual precipitation on Kilauea and Mauna Loa volcanoes on the island of Hawaii. Three of the sites had rates of litterfall of 5.2 Mg ha−1 y−1; the fourth, which was on the most fertile soil, produced 7.0 Mg ha−1 y−1 of litterfall with higher concentrations of nitrogen and phosphorus. Tree ferns of the genus Cibotium cycled relatively large amounts of nitrogen, phosphorus and potassium through litterfall; their contribution to nutrient circulation was disproportionate to their mass in the forest, or in litterfall. The forest on the youngest substrate, which also had the lowest concentrations of nitrogen in litterfall, was fertilized with complete factorial combinations of nitrogen, phosphorus and a treatment consisting of all other plant nutrients. Additions of nitrogen increased the quantity and nitrogen concentration in litterfall during the second year following the initiation of fertilization, while no other treatment had a significant effect. Additions of nitrogen had no effect on litterfall mass or nutrient concentrations in the most nutrient-rich site.

EFFECTS OF NITROGEN, PHOSPHORUS, POTASSIUM, AND LIME ON YIELD AND MATURITY OF GREEN PEAS

1980 ◽  
Vol 60 (2) ◽  
pp. 599-604 ◽  
Author(s):  
J.A. CUTCLIFFE ◽  
D.C. MUNRO
Keyword(s):  
Dolomitic Limestone ◽  
Lime Treatment ◽  
Dark Skin ◽  
Phosphorus And Potassium ◽  
Cropping Seasons ◽  
Nitrogen Phosphorus ◽  
Green Peas

The effects of nitrogen, phosphorus, and potassium on the yields of Dark Skin Perfection peas were investigated at nine locations during three successive cropping seasons. All three nutrients were applied broadcast at rates of 0, 30, 60, and 90 kg/ha in randomized block experiments with four replicates. A lime treatment was also included consisting of an application of dolomitic limestone in the furrow with the seed at the rate of 400 kg/ha. Yields of shelled peas, adjusted to tenderometer 100, varied from approximately 4 to 7 tonnes/ha and were not substantially affected by the fertilizer or lime treatments. Germination was in the range of 85–95% and was not affected by the treatments. Vine length tended to increase as the rate of all three nutrients was increased, but the pea/vine ratio (by weight) was not affected. Maturity was slightly delayed by increasing rates of added nitrogen and slightly advanced by increasing rates of added phosphorus.

EFFECT OF NITROGEN, PHOSPHORUS, POTASSIUM, AND MANURE ON SIZE, RATE OF DEVELOPMENT, AND YIELD OF BRUSSELS SPROUTS

1967 ◽  
Vol 47 (6) ◽  
pp. 641-648 ◽  
Author(s):  
J. A. Cutcliffe ◽  
D. C. MacKay ◽  
D. C. Munro
Keyword(s):  
Plant Development ◽  
Factorial Experiment ◽  
Growth And Yield ◽  
Nitrogen And Phosphorus ◽  
Brussels Sprouts ◽  
Rate Of Development ◽  
Manure Treatment ◽  
Cropping Seasons ◽  
Nitrogen Phosphorus

A factorial experiment was conducted during three successive cropping seasons to investigate the effects of nitrogen, phosphorus, potassium, and manure on the growth and yield of Brussels sprouts. Plant development was delayed by a lack of phosphorus. Nitrogen and phosphorus applications decreased the yields of small sprouts and increased the yields of those greater than 2.3 cm in diameter. Total marketable yields were substantially increased by nitrogen and phosphorus but were only slightly affected by rates of applied potassium. Yield increases from high rates of nitrogen were obtained only when accompanied by adequate phosphorus. A manure treatment slightly increased marketable yields but the effect was usually not significant.

A comparison of the fine root component of a pure and a mixed coniferous stand

1988 ◽  
Vol 18 (11) ◽  
pp. 1416-1426 ◽  
Author(s):  
H. M. McKay ◽  
D. C. Malcolm
Keyword(s):  
Fine Roots ◽  
Standing Crop ◽  
Fine Root ◽  
Sitka Spruce ◽  
Nitrogen And Phosphorus ◽  
Mixed Stands ◽  
Method Of Calculation ◽  
The Mean ◽  
Phosphorus And Potassium ◽  
Nitrogen Phosphorus

Fine roots were sampled at monthly intervals during 1984–1985 in pure plots of Sitka spruce (Piceasitchensis (Bong.) Carr.) and mixed plots of Scots pine (Pinussylvestris L.) and Sitka spruce established on an upland heath in 1969. Both types of planting had received phosphorus and potassium fertiliser but no nitrogen. The mean standing crop of live roots (<2 mm diameter) in the top 5 cm of pure spruce plots was 112 g • m−2, almost double that of mixed stands (37 g • m−2 of spruce plus 20 g • m−2 of pine). Necromass was 80% of total mass in both stand types. Concentrations of nitrogen and phosphorus were greater in pure plots than in mixed plots, but fine root capital of nitrogen, phosphorus, and potassium was greater in pure spruce than in mixed plots (biomass and necromass contained 11, 2, and 5 and 45, 4, and 7 kg • ha−1 of nitrogen, phosphorus, and potassium, in pure plots, and 7, 1, and 3 and 30, 3, and 3 kg • ha−1 of nitrogen, phosphorus, and potassium in mixed plots, respectively). Production of fine roots in pure and mixed stands was estimated at 181 and 97 g • m−2•year−1 or 715 and 367 g • m−2•year−1, respectively, depending on the method of calculation. Fine roots of pure plots were highly concentrated in the top 3 cm. In mixture, spruce roots had a less extreme vertical distribution and pine roots were more evenly distributed down to 9 cm.

scholarly journals FEATURES OF BASIC NUTRIENT CONSUMPTION BY LINSEED FLAXIN THE CONTEXT OF FERTILIZER APPLICATION

2021 ◽  
pp. 32-37
Author(s):  
P.Yu. Latartsev ◽  
◽  
O.I. Antonova ◽  
Keyword(s):  
Crop Yields ◽  
Fertilizer Application ◽  
Average Content ◽  
Nitrogen Application ◽  
Total Removal ◽  
Nitrogen And Phosphorus ◽  
Nutrient Consumption ◽  
Phosphorus Containing ◽  
Phosphorus And Potassium ◽  
Nitrogen Phosphorus

The study of the content and removal of nitrogen, phosphorus and potassium by linseed flax plants of the oilseed variety Severniy showed that more nitrogen and phosphorus accumulated in seeds, and potassium -in straw. The average content levels in seeds were as follow-ing: N -4.79%, P2O5 -0.79%, K2O -1.05% as compared to respective levels in straw: 0.64%, 0.1% and 1.73%. When applying fertilizers, the content of all nutrients in the straw decreases, and in the seeds it mainly remains at the con-trol level. Due to the higher crop yields in all fertilized vari-ants, the removal of phosphorus and potassium exceeds the control; and nitrogen removal –in the variants with a higher rate of nitrogen application. With seeds, an average of 87-87.8% of nitrogen and phosphorus and 37.3% of potassium from the total removal is removed from the field. Increased rate of nitrogen application contributes to greater consumption of not only nitrogen but also phosphorus and potassium. The rates of nitrogen application in the experi-ments do not compensate for its yield removal with seeds; that requires increased nitrogen application against the background of phosphorus-containing fertilizers.

scholarly journals The Effects of Biopesticide and Fusarium oxysporum f.sp. vanillae on the Nutrient Content of Binucleate Rhizoctonia-Induced Vanilla Plant

2020 ◽  
Vol 2020 ◽  
pp. 1-6
Author(s):  
Haryuni Haryuni ◽  
Andre Fahriz Perdana Harahap ◽  
Supartini ◽  
Achmadi Priyatmojo ◽  
Misri Gozan
Keyword(s):  
Fusarium Oxysporum ◽  
Nutrient Content ◽  
Potassium Content ◽  
Nitrogen And Phosphorus ◽  
Randomized Design ◽  
Two Factors ◽  
Phosphorus And Potassium ◽  
Nitrogen Phosphorus ◽  
Plant Nutrient Content ◽  
Phosphorus Levels

Binucleate Rhizoctonia (BNR) fungi are essential for the germination of vanilla seeds. Chemical control of the soil-borne pathogen might adversely affect BNR. The purpose of this study is to determine the effect of Nicotiana tabacum extract biopesticides and Fusarium oxysporum f.sp. vanillae (Fusarium) on vanilla plant nutrient content induced by BNR. Materials and Methods. The research design was completely randomized design with two factors and three replications. The first factor was biopesticide (dosage of 0, 10, 20, and 30 ml/seedling), and the second factor was the application of Fusarium. Results. The increase in the nitrogen, phosphorus, and potassium content of vanilla was affected by biopesticides and Fusarium inoculation. Fusarium inoculation has no significant effect on nitrogen and phosphorus levels but significantly affects potassium levels. The biopesticide dosage is significant for nitrogen, phosphorus, and potassium. The interaction of biopesticides with Fusarium inoculation did not significantly affect the parameters of nitrogen and phosphorus content, but significantly affected potassium content. Conclusion. The application of biopesticides and Fusarium inoculation after induction of BNR can increase nitrogen, phosphorus, and potassium content of vanilla plants.

YIELD AND CHEMICAL COMPOSITION OF RAPE IN RESPONSE TO NITROGEN, PHOSPHORUS AND POTASSIUM

1980 ◽  
Vol 60 (2) ◽  
pp. 153-162 ◽  
Author(s):  
S. C. SHEPPARD ◽  
T. E. BATES
Keyword(s):  
Seed Yield ◽  
Total Yield ◽  
Band Placement ◽  
Brassica Napus L ◽  
Soil P ◽  
Seeding Date ◽  
Leaf N Concentration ◽  
Phosphorus And Potassium ◽  
Seed Yields ◽  
Nitrogen Phosphorus

A field trial was conducted for 3 yr to monitor the response of seed rape (Brassica napus L.) to several fertilizer treatments at two seeding dates. The fertilizer treatments consisted of 0–200 kg N/ha, 0–100 kg P/ha and 0–180 kg K/ha broadcast with or without 4.2–7–0 kg N-P-K/ha banded below the seed. Total yield, seed yield, plant height, lodging index, seed contents of oil and N, and leaf contents of N, P, K, Ca, Mg, Mn, Cu, Zn and B were measured. Rape responded to broadcast N with maximum seed yields at 100 kg N/ha independent of seeding date or banded fertilizer. Leaf concentrations of N, P and K were influenced by nitrogen supply but the critical leaf N concentration varied considerably. Response to 7 kg P/ha banded or 25 kg P/ha broadcast occurred when the soil P was less than 10 μg/cc. The critical leaf P concentration was less than 0.2%. Very little response to broadcast K was observed with a soil test of approximately 60 μg K/cc. The early seeding date (late April to early May) increased seed yields an average of 225 kg/ha over the late seeding date (late May) and the band placement of fertilizer increased seed yields an average of 55 kg/ha over comparable treatments without banded fertilizer. Seed yield and leaf elemental composition are presented as functions of broadcast nitrogen, phosphorus and potassium.

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