Maize growth responses to deep tillage, straw mulching and farmyard manure in coarse textured soils of N.W. India

A field experiment was conducted in Vertisols at Bijapur during 1994-96 to study the effect of tillage practices and integrated nutrient management on winter sorghum yield and soil nutrient availability. The increase in winter sorghum yield with deep tillage over medium and shallow tillage was 27 and 57% in 1994-95 as compared to 18 and 34% in 1995-96. Deep tillage resulted in 22 and 45% higher yield as compared to medium and shallow tillage in the pooled data. This was mainly due to conservation and increased availability of moisture and nutrients, i.e. N, P and K. The higher availability of nutrients in the topsoil (0-0.15 m) as compared to the subsoil (0.15-0.30 m) was due to the application of nutrients in the topsoil layer and the higher rate of mineralization. Among the organic materials applied, Leucaena loppings at 2.5 t ha-1 led to a significantly (9%) higher yield (1636 kg ha-1) over vermicompost (1500 kg ha-1) and was on par with farmyard manure (1572 kg ha-1) in the pooled data and during both years of the study. The higher percentage increase in grain yield with Leucaena application was due to the better moisture conservation and availability of major nutrients, i.e. N, P and K. Winter sorghum responded significantly to N application at 25 kg ha-1 in 1994-95, whereas in 1995-96 and in the pooled data the response varied up to 50 kg N ha-1. In the pooled data, the grain yield increased by 17 and 24% with the application of 25 and 50 kg N ha-1 compared with the control. The higher yields obtained with the application of nitrogen were due to the better availability of nutrients, especially N, as these soils are low in available N.

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Water balance and rice growth responses to direct seeding, deep tillage, and landscape placement: Findings from a valley terrace in Nepal

Field Crops Research ◽

10.1016/j.fcr.2005.04.006 ◽

2006 ◽

Vol 95 (2-3) ◽

pp. 367-382 ◽

Cited By ~ 16

Author(s):

A.J. McDonald ◽

S.J. Riha ◽

J.M. Duxbury ◽

T.S. Steenhuis ◽

J.G. Lauren

Keyword(s):

Water Balance ◽

Direct Seeding ◽

Growth Responses ◽

Deep Tillage ◽

Rice Growth

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Potentials of straw return and potassium supply on maize (Zea mays L.) photosynthesis, dry matter accumulation and yield

10.21203/rs.3.rs-454085/v1 ◽

2021 ◽

Author(s):

Yafang Fan ◽

Julin Gao ◽

Jiying Sun ◽

Jian Liu ◽

Zhijun Su ◽

...

Keyword(s):

Zea Mays ◽

Dry Matter ◽

Dry Matter Accumulation ◽

No Tillage ◽

Deep Tillage ◽

Straw Mulching ◽

Potassium Fertilization ◽

Straw Return ◽

Potassium Supply ◽

Maize Photosynthesis

Abstract Maize (Zea mays L.) is considered one of the most important grains in the world. Straw return and potassium fertilization can enhance the maize yield. Therefore, three field experiments were carried out in the three years (2018–2020) to study the effects of straw return at two methods and four levels of potassium fertilization on photosynthesis, dry matter accumulation and yield of the maize ‘Xianyu 335’. To conduct the field trials, a split plot system in five replications was established. Two straw return methods (straw return with deep tillage and straw mulching with no tillage) were in the main plots, and four potassium fertilization levels (0, 30, 45 and 60 kg/ha) were in the subplots. Each sub-plot consisted of 10 rows with 5 m length and 0.6 m width, and each sub-plot area was 30 m2 in the three years. The results indicated that the straw return methods and the potassium supply significantly affected the maize photosynthesis, dry matter accumulation and yield in the three years. Under the same potassium supply, straw return with deep tillage significantly improved the maize photosynthesis, dry matter accumulation and yield compared to straw mulching with no tillage. The above characteristics improved with increased potassium supply. The treatment of SFK60 recorded the highest values for the parameters of maize photosynthesis, dry matter accumulation and yield during the three harvest seasons. The treatment of SFK45 reached maximum profit of maize planting, which was 12088.77 yuan/ha. Therefore, SFK45 was an effective way to ensure the stable and higher yields of maize and to maximize the income of farmers.

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Maize Growth Responses to a Humic Product in Iowa Production Fields: An Extensive Approach

Frontiers in Plant Science ◽

10.3389/fpls.2021.778603 ◽

2022 ◽

Vol 12 ◽

Author(s):

Daniel C. Olk ◽

Dana L. Dinnes ◽

Chad R. Callaway

Keyword(s):

Yield Component ◽

Grain Weight ◽

Nutrient Concentrations ◽

Growth Responses ◽

Total Leaf Area ◽

Maize Growth ◽

Growing Seasons ◽

Field Efficacy ◽

Product Application ◽

Maize Grain

Field evaluations of commercial humic products have seldom involved replication across location or year. To evaluate the consistency of humic product efficacy in field conditions, we determined the effects of a humic product on maize (Zea mays L.) growth in high-yielding Midwestern (US) fields through the following two extensive approaches: (i) replicated strip plots in five site—year combinations from 2010 to 2013; and (ii) demonstration strips in 30–35 production fields annually from 2009 to 2011 that covered major areas of Iowa. Mechanized combine measurements of grain yield showed increases of 0.2–0.4 Mg ha–1 (1–4%) with humic product application for all five site—year combinations of the replicated strip plots. Six of 10 humic treatments within the fields responded positively (P < 0.07), and the positive responses of two more treatments approached significance at the benchmark of P = 0.10. In the demonstration strips, maize grain weight in hand-collected samples increased significantly (P < 0.004) with humic product application in each of the three growing seasons, and across all the three seasons by 6.5% (P < 0.001). Grain weight increased numerically for 76 of the 98 demonstration strips. Yield component analysis for both the replicated strip plots and the demonstration strips attributed the yield boosts largely to increased ear length, especially of the shorter ears. Humic product application caused significantly (P < 0.10) greater total leaf area in all eight field treatments at three site—year combinations. Humic product application did not consistently affect nutrient concentrations of the grain or stover or any measured soil property. These results represent among the widest geographic evaluations published on field efficacy of a humic product. They demonstrate the capability of a humic product to improve maize growth in high-yielding conditions.

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Maize Growth in Response to Beneficial Microbes, Humic Acid and Farmyard Manure Application

Sarhad Journal of Agriculture ◽

10.17582/journal.sja/2021/37.4.1426.1435 ◽

2021 ◽

Vol 37 (4) ◽

Author(s):

Izaz Hussain ◽

Ahmad Khan ◽

Habib Akbar

Keyword(s):

Humic Acid ◽

Farmyard Manure ◽

Manure Application ◽

Beneficial Microbes ◽

Maize Growth

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Response of Paddy Straw Mulching and Farmyard Manure in Colocasia under Jhum Fields in Zunheboto District of Nagaland

International Journal of Agriculture Environment and Biotechnology ◽

10.30954/0974-1712.03.2021.24 ◽

2021 ◽

Vol 14 (3) ◽

Author(s):

Sentimenla s

Keyword(s):

Farmyard Manure ◽

Paddy Straw ◽

Straw Mulching

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RELATION OF NUTRIENT CONTENT OF BROCCOLI AND BRUSSELS SPROUTS LEAVES TO MATURITY AND FERTILIZATION WITH N, P, K, AND MANURE

Canadian Journal of Plant Science ◽

10.4141/cjps78-060 ◽

1978 ◽

Vol 58 (2) ◽

pp. 385-394 ◽

Cited By ~ 5

Author(s):

D. C. MUNRO ◽

J. A. CUTCLIFFE ◽

D. C. MACKAY

Keyword(s):

Farmyard Manure ◽

Leaf Tissue ◽

Nutrient Content ◽

Growing Season ◽

Growth Responses ◽

Total N ◽

Brussels Sprouts ◽

Four Levels ◽

K Concentration ◽

Brassica Oleracea L

Leaf tissue of broccoli (Brassica oleracea L. ssp. italica Plenck. cv. Waltham 29) and Brussels sprouts (B. oleracea ssp. gemmifera cv. Jade Cross) was collected at three times during the growing season from plants fertilized with four levels of N, P, and K in factorial combination with, and without, farmyard manure. The leaf tissue was analyzed for total N, P, and K concentration. Leaf-tissue N, P, and K increased with increasing levels of applied N, P, and K, respectively. Significant N × P interactions occurred in which applied N increased tissue-P levels and applied P increased tissue-N levels. Growth responses to applied N and P tended to reduce tissue-K levels. Manure had almost no effect on tissue N and only small effects on tissue P and K. Concentrations of all three nutrients declined during the growing season. Critical N, P, and K levels for plant growth were within previously published ranges of 5.2–6.0% N, 0.35–0.60% P, and 1.7–2.2% K.

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ORTHO- AND POLYPHOSPHATE P FERTILIZERS AS AFFECTED BY ADDED ORGANIC MATERIALS AND CALCIUM CARBONATE

Canadian Journal of Soil Science ◽

10.4141/cjss88-024 ◽

1988 ◽

Vol 68 (2) ◽

pp. 243-250

Author(s):

P. N. S. MNKENI ◽

A. F. MACKENZIE

Keyword(s):

Calcium Carbonate ◽

Hordeum Vulgare ◽

Soil Acidity ◽

Farmyard Manure ◽

P Uptake ◽

Soil Samples ◽

Micronutrient Deficiencies ◽

Growth Responses ◽

Hordeum Vulgare L ◽

P Fertilizers

Studies were conducted in the growth chamber to compare sodium orthophosphate (NaOP), sodium pyrophosphate (NaPP) and PolyN (a triammonium pyrophosphate-orthophosphate mixture) as sources of P for barley in four Quebec soils treated with farmyard manure (FYM) or alfalfa residues. The effect of calcium carbonate was also studied in two acidic soil samples. Added P at 440 kg ha−1 increased barley yields and P uptake on three soil samples. Lack of growth responses at lower rates on a subsoil sample were attributed to soil acidity or micronutrient deficiencies. In nonamended soils, NaOP and NaPP were equally effective as sources of P for barley but PolyN was less effective. In soil samples treated with alfalfa residues, PolyN was as effective as other carriers. These results were attributed to the effects of alfalfa residues in reducing ortho- and polyphosphate sorption. Amendment with FYM masked carrier effects on yield because of the presence of added P in the manure. Soil acidity effects and possible micronutrient deficiencies were ameliorated with added FYM. In CaCO3 amended Uplands topsoil, NaOP was superior to NaPP or PolyN. Key words: Farmyard manure, alfalfa residues, barley, Hordeum vulgare L., pyrophosphate, calcium carbonate

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