scholarly journals Plant Growth and Yield Response of Tillage in Wheat Crop with Rotavator and Subsoiler Combination and No Tillage

2018 ◽  
Vol 7 (03) ◽  
pp. 1597-1600
Author(s):  
Sushil Kumar ◽  
Mukesh Jain ◽  
Vijaya Rani ◽  
Vinod Kumar ◽  
Anil Kumar ◽  
...  
Keyword(s):  
Plant Growth ◽  
Growth And Yield ◽  
Yield Response ◽  
Wheat Crop ◽  
No Tillage

scholarly journals Nitrogen fertilization of vegetables cultivated under no-tillage after cover crops

2017 ◽  
Vol 35 (1) ◽  
pp. 103-110 ◽  
Author(s):  
Roberto BF Branco ◽  
Sally F Blat ◽  
Tais GS Gimenes ◽  
Rodrigo HD Nowaki ◽  
Humberto S Araújo ◽  
...  
Keyword(s):  
Plant Growth ◽  
Cover Crops ◽  
Nitrogen Fertilization ◽  
Nitrate Concentration ◽  
Dry Mass ◽  
Growth And Yield ◽  
No Tillage ◽  
Biological Fixation ◽  
Sunn Hemp ◽  
Nitrogen Rates

ABSTRACT The production of horticultural crops in no-tillage and in rotation with cover crops reduces the dependency in nitrogen fertilizer, due to increased soil organic matter and by biological fixation performed by legumes. Thus, the aim of this work was to study rates of nitrogen fertilization and cover crops in the agronomic performance of tomato and broccoli grown under no-tillage. The experiment was conducted in a split plot design with four replications. Treatments consisted of cover crops, sunn hemp and millet, and four rates of nitrogen fertilization (0, 50, 100 and 200 kg/ha of nitrogen), for both the tomato and broccoli crops. All soil management was performed in no-tillage. For tomato crops we evaluated the plant growth, the nitrate concentration of sprouts and fruits and yield of commercial and non commercial fruits. For broccoli we evaluated plant growth and yield. There was an interaction effect between cover crop and nitrogen rates to tomato growth measured at 100 days after transplanting, for plant height, number of fruit bunches, dry mass of leaves and diameter of the stalk. The tomato commercial fruit number and yield showed maximum values with 137 and 134 kg/ha of N respectively, on the sunn hemp straw. The nitrate concentration of the tomato sprouts was linearly increasing with the increase of nitrogen rates, when grown on the millet straw. For broccoli production, the maximum fresh mass of commercial inflorescence was with 96 kg/ha of N, when grown on the millet straw.

Effect of nitrogen, potassium and phosphorus on the yield, growth and nutrient status of ixodia daisy (Ixodia achillaeioides ssp. alata)

1994 ◽  
Vol 34 (5) ◽  
pp. 681 ◽  
Author(s):  
NA Maier ◽  
G Barth ◽  
M Bennell
Keyword(s):  
Plant Growth ◽  
Field Experiments ◽  
Biomass Yield ◽  
South Australia ◽  
Nutrient Status ◽  
Growth And Yield ◽  
Yield Response ◽  
Total Biomass ◽  
Extractable P ◽  
Yield Responses

The effect of annual applications of nitrogen (N), potassium (K) and phosphorus (P) on the yield, growth and nutrient status of Ixodia daisy (Ixodia achillaeioides ssp. alata) grown on a silty loam, was investigated in field experiments conducted during 1989-91 in the Mount Lofty Ranges, South Australia. The experimental design was a randomised block with 3 replications. The N and K treatments, at annual rates up to 200 kg N/ha and 150 kg K/ha, were applied as 2 equal side-dressings. The P treatments, at rates up to 200 kg/ha, were broadcast as 1 annual application. To assess plant nutrient status we sampled the fifth leaf below the growing terminal of 50 stems in October and whole stems at harvest. As rate of applied N increased, there was a significant (P<0.05) increase in total biomass harvested, number of 3040 and 41-50 cm stems, total number of marketable stems, plant height and width. Annual N application rates of 75-110 kg/ha were required for 95% of maximum biomass yield and number of marketable stems. The application of K did not significantly (P>0.05) affect yield or plant growth. First and second order interactions between N, K and year were not significant. Plant growth and yield responses to P applied as superphosphate were inconsistent and the interaction between P and year was not significant (P>0.05). Coefficients of determination (r2) for relationships between N, K and P concentrations in the fifth leaf samples v. total biomass yield and total stem number, were in the range 0.13-0.52 for the combined 1990 and 1991 data. Based on sensitivity, reproducibility and occurrence of the Piper-Steenbjerg effect, we concluded that N, K or P concentrations in the fifth leaf sampled in October, or in whole stems at harvest, were not reliable indicators of the nutrient status of Ixodia daisy. The application of N and P did not affect the concentration of minor or micronutrients in the fifth leaf. In contrast, the application of K increased calcium (Ca), magnesium (Mg) and sulfur (S) concentrations by 14.3, 33.3 and 12.2%, respectively. For a high density planting (13,000 plants) we estimated that for N, P and K, 69.4, 6.2 and 83.2 kg/ha, respectively, are removed in marketable stems. The application of P increased extractable-P concentrations in the surface (0-15 cm) soil from 22 to 73 mg/kg. We suggest that for surface (0-15 cm) soils, extractable-P and extractable-K concentrations in the ranges 15-95 and 210-260 mg/kg, respectively, are adequate and indicate that a yield response to the application of these nutrients in fertiliser may not occur.

Tillage practices and the growth and yield of wheat in southern New South Wales: Lockhart, in a 450 mm rainfall region

1986 ◽  
Vol 26 (4) ◽  
pp. 457 ◽  
Author(s):  
IB Mason ◽  
RA Fischer
Keyword(s):  
Plant Growth ◽  
Subterranean Clover ◽  
Soil Surface ◽  
Soil Disturbance ◽  
Growth And Yield ◽  
Wheat Crop ◽  
Severe Drought ◽  
Wet Season ◽  
Tillage Practices ◽  
Direct Drilling

Effects of tillage treatments on the wheat crop were compared during a 3-year cropping phase on a red-brown earth which had previously supported subterranean clover. Direct-drilled wheat after long and short herbicide fallows yielded as well as wheat after cultivated fallow, and differed only in terms of small reductions (averaging 12%) in early plant growth. Non-fallow direct-drill crops had, compared with fallow crops, significantly less soil water (34 mm) and mineral nitrogen (30 kg/ha) at sowing in the first season, but not in later ones. However, they always showed reduced early plant growth, averaging 28% less than cultivated crops, and despite a subsequent narrowing of relative differences in growth gave significantly lower (15%) grain yields in the two wetter seasons; only in the second year, a severe drought causing very low yields, did they produce yields equal to those of fallow plots. The use of narrow combine points in direct drilling, giving incomplete soil disturbance, gave yields equal to those obtained with standard points and complete disturbance of the soil surface. However direct drilling with retained stubble - gave lower yields in a wet season. Averaged over 3 seasons, cultivated fallow yielded 2.54 t/ha, herbicide fallow 2.41 t/ha and non-fallow direct drill with stubble burning 2.17 t/ha. It was concluded that non-fallow direct-drill yields suffered because of reduced presowing water storage and reduced early growth, the latter effect was of less final consequence when the spring was dry.

The effect of foliar application of five plant growth regulators on the growth and yield of lowbush blueberry

1993 ◽  
Vol 73 (2) ◽  
pp. 607-610 ◽  
Author(s):  
John C. Lewis ◽  
Hak-Yoon Ju
Keyword(s):  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Foliar Application ◽  
Growth And Yield ◽  
Yield Response ◽  
Flower Bud ◽  
Chlormequat Chloride ◽  
Vaccinium Angustifolium ◽  
Lowbush Blueberry

The plant growth regulators, daminozide (2500 ppm), chlormequat chloride (1500 ppm), ethephon (500 ppm), mepiquat chloride (100 ppm), and paclobutrazol (1000 ppm), were foliar applied to sprouting-year and to first fruiting-year commercial lowbush blueberry (Vaccinium angustifolium Ait.). In sprouting-year blueberry, flower bud production was increased by paclobutrazol, resulting in significantly improved bloom and yield the following year. In fruiting-year blueberry, flower bud production was significantly increased by paclobutrazol in the year of application and resulted in improved bloom and yield in the following fruiting year. The effects of the other treatments on these parameters were in most cases not significant. Daminozide showed a significant bloom response with a sprouting-year application, but this did not translate into a yield response. Key words: Vaccinium angustifolium, plant growth regulators, paclobutrazol, flower bud production

Corn planting date: Understanding plant growth and yield response

2009 ◽  
Author(s):  
Lori J. Abendroth ◽  
Anthony J. W. Myers ◽  
Roger W. Elmore
Keyword(s):  
Plant Growth ◽  
Planting Date ◽  
Growth And Yield ◽  
Yield Response

scholarly journals RESPON PERTUMBUHAN DAN HASIL BAWANG MERAH (Allium ascalonicum) TERHADAP PEMBERIAN ZAT PENGATUR TUMBUH DAN PUPUK NPK PADA TANAH SPODOSOL (The Growth and Yield Response of Onion (Allium ascalonicum)of Giving The Plant Growth Regulators (PGR) and NPK Fertili

AgriPeat ◽  
2019 ◽  
Vol 18 (02) ◽  
pp. 105-112
Author(s):  
Journal Journal
Keyword(s):  
Plant Growth ◽  
Growth Regulator ◽  
Block Design ◽  
Growth And Yield ◽  
Yield Response ◽  
Onion Plant ◽  
Crop Growth Rate ◽  
Randomized Block Design ◽  
Two Factors ◽  
Npk Fertilizer

ABSTRACT The purpose of this study was to determine the growth and yield of onion that were given growth regulator (PGR) and NPK fertilizer on spodosol. This study used Randomized Block Design (RBD) of factorial pattern with two factors: (1) growth regulator (0, 3, 6, and 9 mL.L-1 ), and (2) NPK fertilizer (0, 150, 300, and 450 kg ha-1). The results of this study showed tha giving of PGR increased the crop growth rate of plants aged 14-21 day after planting (1.057 g.m-2 day -1) and 21-28 day after planting (1.089 g.m-2 day-1) with the best concentration of 6 mL.L-1 water. The best NPK fertilizer dosage of 300 kg.ha-1 was able to increase plant height at 42 day after planting (46,89 cm), leaf area 21, 28 and 35 day after planting (541,22 cm2, 717,37 cm2, and 714 , 29 cm2), weight of fresh stover (75,50 g), weight of dry stover (66,19 g) and tuber weight per plot (4,520,25 g). Key words : onion, plant growth regulator (PGR), NPK, spodosol ABSTRAK Tujuan penelitian untuk mengetahui pertumbuhan dan hasil tanaman bawang merah yang diberi zat pengatur tumbuh (ZPT) dan pupuk NPK pada tanah spodosol. Penelitian ini menggunakan menggunakan Rancangan Acak Kelompok (RAK) pola faktorial dengan dua faktor, yaitu : (1) zat pengatur tumbuh (0, 3, 6, dan 9 mL.L-1 air), dan (2) pupuk NPK ( 0, 150, 300, dan 450 kg.ha-1). Hasil penelitian menunjukkan bahwa pemberian ZPT meningkatkan laju pertumbuhan tanaman umur 14-21 hst (1,057 g.m-2. hari -1) dan 21-28 hst (1,089 g.m-2. hari -1) dengan konsentrasi terbaik 6 mL.L-1 air. Dosis pupuk NPK terbaik 300 kg.ha-1 mampu meningkatkan luas daun umur 21, 28 dan 35 hst, masing-masing 541,22 cm2, 717,37 cm2, dan 714,29 cm2, bobot brangkasan segar (75,50 g), bobot brangkasan kering (66,19 g) dan bobot umbi per petak (4.520,25 g). kata kunci: bawang merah, zat pengatur tumbuh (ZPT), NPK, spodosol

scholarly journals Significance of Plant Growth Regulators (PGR’s) on the Growth and Yield of Wheat Crop

2019 ◽  
Vol 7 (5) ◽  
pp. 98
Author(s):  
Muhammad Nasir ◽  
Muhammad Ameen Ahmad ◽  
Shabbir Hussain ◽  
Muhammad Ismaeel
Keyword(s):  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Growth And Yield ◽  
Wheat Crop
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