The present study was undertaken to quantify changes in the status of soil nutrients, their depletion and build-up after continuous long intensive cropping for last 36 years a permanent manorial trial which has been progress since 1972 an alfisol western Himalayas. rotation maize-wheat included various combinations N, P, K, Zn FYM (farmyard manure). Continuous cultivation influenced pH, OC (organic carbon), available N (nitrogen), P (phosphorus) K (potassium). An increase organic carbon...

Study on the soil nutrient status and crop productivity under continuous use of inorganic fertilizers amendments in an acid Alfisol after 36 years (1972-73 to 2008-09) was carried out at Palampur, HP. Results showed that application Recommended Dose Fertilizer (120:60:40 kg/ha maize 120:60:30 wheat) with 10 t farmyard manure/ha applied once a year for resulted 786 515 per cent increase wheat yields, respectively over control. Soil acidity rose from 5.8 4.58 years. Conjoint FYM 100 NPK...

Intensive tillage practices have degraded soil physical quality and reduced organic carbon (SOC) content. As a result, crop productivity has decreased over time, highlighting the need for conservation practices. For this, long-term field experiment at Research Farm, Bihar Agricultural University, Sabour dominated by Inceptisols in Indo-Gangetic plains of was conducted to study effect three practices, that is, zero (ZT), permanent raised bed (PB) conventional (CT) cropping system namely...

Abstract This present investigation took place on a continuing long‐term fertilizer experiment, initiated in 1972 at the experimental farm of College Agriculture CSK HPKV, Palampur, aimed studying nutrient dynamics micronutrients, especially Zn, after continuous use chemical fertilizers and amendments over previous 36 years an acid Alfisol under maize–wheat system. Treatments investigated were as follows: T 1 : Control; 100% N; NP; NPK (optimal application ‐ 120:26:33(maize)/25(wheat)); +...

Nutrient efficiency concept is used to increase the overall performance of cropping system by providing economically optimum nutrition crop and at same time minimizing nutrient losses from yield. The study was undertaken on AICRP-IFS experiment located BAU, Sabour having twelve treatments replicated four times in randomized block design. data were taken after 34th cycle. In this study, a modest initiative has been assess various use efficiencies for N, P, K rice-wheat under different...

Intensive conventional tillage practice has deteriorated soil quality and decreased potassium (K) availability in under maize-based growing areas eastern India. Consequently, maize productivity declined over the years demonstrating need for sustainable alternatives. A field study was carried out 2018 eighth year of an on-going long-term experiment initiated 2011 to understand impact different practices cropping systems on properties K dynamics Inceptisols The laid split plot design with...

Abstract In long‐term integrated nutrient management (INM) involving organic amendments with inorganic fertilizer application, understanding nitrogen (N) mineralization is key to assessing soil functioning. this study, samples were collected following rice cropping from treatments consisting of various combinations fertilizers, including farm yard manure, wheat straw or Green Leaf Manuring, as well 100% and a control (no fertilizer). The incubated for 120 days at 30°C determining N...

Fertigation in rice-based cropping systems is catching up the attention of farmers for producing high yield crops and improved fertilizer use efficiency. As fertigation with different combinations irrigation nitrogen (N) levels can interact depth rooting system as well soil tillage, this study was carried out 2017 fourth year on an on-going long-term experiment initiated summer (Kharif) season 2014 to understand effect organic carbon pools zero-till direct-seeded systems. The laid a split...

Integrated nutrient management (INM) practice with farmyard manure (FYM), wheat straw (WS) and green leaf manuring (GLM) augments aggregate formation in soils. However, soil aggregation regulating several soils biological activities has been proven to be intricate both positive negative interactions across studies. We studied the distribution of organic carbon (SOC), microbial biomass (MBC) enzymes three classes (>2000 µm, 2000–250 µm <250 µm) from a long-term rice-wheat cropping system....

Knowledge of the nutrient release from organic residues helps in optimizing effciency agricultural crop production systems. A laboratory incubation experiment was conducted Completely Randomized Design to assess Ammonical-N, Nitrate-N, available Phosphorus and Potassium soil incubated with two sources viz. farmyard manure pressmud compost (T0= Control, T1= 5 MT ha-1 manure, T2=10 T3= 15 T4=20 manure) at different days (0,30,60,90,120) after under controlled aerobic condition. The study...

The present work studied the data from a 34 years old long-term rice–wheat cropping sequence to evaluate effects of integrated nutrient management (INM) on secondary and micronutrient under alluvial soil. treatment included three organic sources viz. FYM, wheat straw (WS) green manuring (GM) with Sesbania aculeate replacing 25% 50% optimum N during kharif season, through manure were given 100% RDF in while those receiving replacement rice got only 75% wheat. results indicated that organics...

Manganese (Mn) is an essential micronutrient needed for plant growth and development, but it can be toxic to plants in excess amounts. Long-term fertilizer experiment intensive cropping alter the soil properties also affect its plant-available Mn contents. To understand dynamics of under long-term present study was initiated during 1972 at experimental farm College Agriculture, CSK HPKV, Palampur (32° 6′ N latitude 76° 3′ E longitude) a randomized block design with 11 treatments replicated...

Evapotranspiration (ET) is an essential component of the water balance. Any attempt to improve use efficiency must be based on reliable estimates ET, which includes evaporation from land and surfaces transpiration by vegetation. ET varies regionally seasonally according weather wind conditions. Remote sensing agro-meteorological models are presently most suited for estimating crop at both field regional scales. Numerous algorithms have been developed make remote data acquired sensors...

Iron (Fe) is one of the essential micronutrient plays a crucial role in redox systems cells and various enzyme. The Fe-deficient plants have lower reaction enzymatic activity. Intensive chemical fertilizer resulted depletions micronutrients especially Fe from soil. To understand dynamics under long-term experiment present study was initiated during 1972 at experimental farm College Agriculture CSK HPKV, Palampur randomized block design with eleven treatments replicated thrice. soil area...

A Field experiment was conducted on sandy loam soil at Sabour during kharif season of 2018 to evaluate optimum plant geometry, graded fertility level and zinc for better growth, yield quality baby corn (Zea mays L.) fodder. Experiment laid out in split–plot design replicated thrice with three geometry viz. P1 (40X20 cm), P2 (50X15 cm) P3 (paired row 50+30 x20 main plot, levels (kg ha-1) F1(120:60:60), F2 (150:75:75) F3 (180:90:90) sub plot whereas, two viz, Z1 (2.5) Z2 (5.0) sub-sub plot. It...

A study was undertaken to investigate the rate of dissolution various Phosphorus (P) sources in an alluvial soil Bihar under incubation experiment laboratory for 35 days with 5 treatments viz., Control; RP (Rock Phosphate) @ 100% RDP (Recommended Dose Phosphorus); RDF Fertilizer NPK); REC phosphate Enriched Compost) and 50% RDP+REC RDP. The P release pattern determined every treatment at a sampling interval 7 days. integrated involving P-fertilizer (50:50) performed better than other...